component
LT1638IS8#PBF
Public Made by Adomby adom
Analog Devices Operational Amplifier, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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LT1638IS8#PBF
Analog Devices · Operational Amplifier · SO-8
LT1638IS8#PBF from Analog Devices, in a SO-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | OUT A | output | Output of amplifier A, which swings within 20mV of the positive rail and within 3mV of the negative rail with no load and sources or sinks at least 25mA. |
| 2 | -IN A | input | Inverting input of amplifier A, protected by an internal 1k series resistor and diode for excursions up to 2V below V-, with a maximum differential input voltage of 44V. |
| 3 | +IN A | input | Non-inverting input of amplifier A, whose common-mode range includes both supplies and which can operate up to 44V above V- regardless of V+. |
| 4 | V- | power_in | Negative supply pin; total supply voltage (V+ to V-) is specified from 2.5V to 44V, with reverse battery protection up to 18V. |
| 5 | +IN B | input | Non-inverting input of amplifier B, whose common-mode range includes both supplies and which can operate up to 44V above V- regardless of V+. |
| 6 | -IN B | input | Inverting input of amplifier B, protected by an internal 1k series resistor and diode for excursions up to 2V below V-, with a maximum differential input voltage of 44V. |
| 7 | OUT B | output | Output of amplifier B, which swings within 20mV of the positive rail and within 3mV of the negative rail with no load and sources or sinks at least 25mA. |
| 8 | V+ | power_in | Positive supply pin, which should be bypassed with about 0.1µF within an inch of the pin; total supply voltage (V+ to V-) is specified from 2.5V to 44V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices |
| Package | SO-8 |
| Category | Operational Amplifier/Comparator |
| Pins | 8 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Input Offset Voltage (LT1638 N, S packages), TA = 25°C, 3V/5V | VOS | 200 | 600 | μV | LT1638 N, S Packages; TA = 25°C | 4 | |
| Input Offset Voltage (LT1638 N, S packages), 3V/5V | VOS | 950 | μV | LT1638 N, S Packages; -40°C ≤ TA ≤ 85°C | 4 | ||
| Input Offset Voltage Drift (N, S packages) | VOS drift | 2 | 6 | μV/°C | LT1638/LT1639 N, S Packages; Note 9 (not 100% tested) | 4 | |
| Input Voltage Range, 3V/5V | VCM | 0 | 44 | V | VS = 3V, 0V; VS = 5V, 0V | 4 | |
| Common Mode Rejection Ratio | CMRR | 88 | 98 | dB | VCM = 0V to VCC, 1V | 4 | |
| Common Mode Rejection Ratio | CMRR | 80 | 88 | dB | VCM = 0V to 44V (Note 8); -40°C ≤ TA ≤ 85°C | 4 | |
| Large-Signal Voltage Gain, VS = 3V, TA = 25°C | AVOL | 200 | 1500 | V/mV | VS = 3V, VO = 500mV to 2.5V, RL = 10k; TA = 25°C | 4 | |
| Large-Signal Voltage Gain, VS = 3V | AVOL | 100 | V/mV | VS = 3V, VO = 500mV to 2.5V, RL = 10k; -40°C ≤ TA ≤ 85°C | 4 | ||
| Large-Signal Voltage Gain, VS = 5V, TA = 25°C | AVOL | 400 | 1500 | V/mV | VS = 5V, VO = 500mV to 4.5V, RL = 10k; TA = 25°C | 4 | |
| Large-Signal Voltage Gain, VS = 5V | AVOL | 200 | V/mV | VS = 5V, VO = 500mV to 4.5V, RL = 10k; -40°C ≤ TA ≤ 85°C | 4 | ||
| Output Voltage Swing Low, 3V No Load | VOL | 3 | 8 | mV | VS = 3V, No Load | 4 | |
| Output Voltage Swing Low, 3V ISINK 5mA | VOL | 250 | 450 | mV | VS = 3V, ISINK = 5mA | 4 | |
| Output Voltage Swing Low, 5V No Load | VOL | 3 | 8 | mV | VS = 5V, No Load | 4 | |
| Output Voltage Swing Low, 5V ISINK 10mA | VOL | 500 | 700 | mV | VS = 5V, ISINK = 10mA | 4 | |
| Output Voltage Swing High, 3V No Load | VOH | 2.94 | 2.98 | V | VS = 3V, No Load | 4 | |
| Output Voltage Swing High, 3V ISOURCE 5mA | VOH | 2.25 | 2.4 | V | VS = 3V, ISOURCE = 5mA | 4 | |
| Output Voltage Swing High, 5V No Load | VOH | 4.94 | 4.98 | V | VS = 5V, No Load | 4 | |
| Output Voltage Swing High, 5V ISOURCE 10mA | VOH | 3.8 | 4 | V | VS = 5V, ISOURCE = 10mA | 4 | |
| Short-Circuit Current, 3V short to GND | ISC | 10 | 15 | mA | VS = 3V, Short to GND (Note 2) | 4 | |
| Short-Circuit Current, 3V short to VCC | ISC | 15 | 25 | mA | VS = 3V, Short to VCC (Note 2) | 4 | |
| Short-Circuit Current, 5V short to GND | ISC | 15 | 20 | mA | VS = 5V, Short to GND (Note 2) | 4 | |
| Short-Circuit Current, 5V short to VCC | ISC | 15 | 25 | mA | VS = 5V, Short to VCC (Note 2) | 4 | |
| Power Supply Rejection Ratio, 3V to 12.5V | PSRR | 90 | 100 | dB | VS = 3V to 12.5V, VCM = VO = 1V | 5 | |
| Minimum Operating Supply Voltage | 2.4 | 2.7 | V | 5 | |||
| Supply Current per Amplifier, 25°C | IS | 170 | 230 | μA | Note 6 | 5 | |
| Supply Current per Amplifier, -40°C to 85°C | IS | 275 | μA | Note 6; -40°C ≤ TA ≤ 85°C | 5 | ||
| Gain Bandwidth Product, 3V, TA = 25°C | GBW | 650 | 1075 | kHz | f = 5kHz; TA = 25°C (Note 5) | 5 | |
| Gain Bandwidth Product, 3V | GBW | 500 | kHz | f = 5kHz; -40°C ≤ TA ≤ 85°C (Note 5) | 5 | ||
| Slew Rate, 3V/5V, TA = 25°C | SR | 0.21 | 0.38 | V/μs | AV = -1, RL = ∞; TA = 25°C (Note 7) | 5 | |
| Slew Rate, 3V/5V | SR | 0.17 | V/μs | AV = -1, RL = ∞; -40°C ≤ TA ≤ 85°C (Note 7) | 5 | ||
| Input Offset Voltage (LT1638 N, S packages), TA = 25°C, ±15V | VOS | 250 | 800 | μV | LT1638 N, S Packages; VS = ±15V; TA = 25°C | 5 | |
| Input Offset Voltage (LT1638 N, S packages), ±15V | VOS | 1100 | μV | LT1638 N, S Packages; VS = ±15V; -40°C ≤ TA ≤ 85°C | 5 | ||
| Input Offset Current, ±15V | IOS | 1 | 6 | nA | 6 | ||
| Input Bias Current, ±15V | IB | 20 | 50 | nA | 5 | ||
| Input Voltage Range, ±15V | VCM | -15 | 29 | V | VS = ±15V | 5 | |
| Common Mode Rejection Ratio, ±15V | CMRR | 80 | 88 | dB | VCM = -15V to 29V | 5 | |
| Large-Signal Voltage Gain, ±15V, TA = 25°C | AVOL | 200 | 500 | V/mV | VS = ±15V, VO = ±14V, RL = 10k; TA = 25°C | 5 | |
| Large-Signal Voltage Gain, ±15V | AVOL | 100 | V/mV | VS = ±15V, VO = ±14V, RL = 10k; -40°C ≤ TA ≤ 85°C | 5 | ||
| Output Voltage Swing, No Load, ±15V | VO | 14.9 | 14.95 | V | VS = ±15V, No Load | 5 | |
| Output Voltage Swing, IOUT = ±10mA, ±15V | VO | 13.7 | 14 | V | VS = ±15V, IOUT = ±10mA | 5 | |
| Power Supply Rejection Ratio, ±15V | PSRR | 90 | 100 | dB | VS = ±1.5V to ±22V | 6 | |
| Supply Current per Amplifier, ±15V, TA = 25°C | IS | 205 | 280 | μA | VS = ±15V; TA = 25°C | 6 | |
| Supply Current per Amplifier, ±15V | IS | 350 | μA | VS = ±15V; -40°C ≤ TA ≤ 85°C | 6 | ||
| Gain Bandwidth Product, ±15V, TA = 25°C | GBW | 750 | 1200 | kHz | f = 5kHz; VS = ±15V; TA = 25°C | 6 | |
| Gain Bandwidth Product, ±15V | GBW | 600 | kHz | f = 5kHz; VS = ±15V; -40°C ≤ TA ≤ 85°C | 6 | ||
| Slew Rate, ±15V, TA = 25°C | SR | 0.225 | 0.4 | V/μs | AV = -1, RL = ∞, VO = ±10V; TA = 25°C | 6 | |
| Slew Rate, ±15V | SR | 0.18 | V/μs | AV = -1, RL = ∞, VO = ±10V; -40°C ≤ TA ≤ 85°C | 6 | ||
| Input Current | II | -25 | 25 | mA | 2 | ||
| Junction Temperature | TJ | 150 | °C | 2 | |||
| Storage Temperature Range | TSTG | -65 | 150 | °C | 2 | ||
| Lead Temperature (Soldering) | TLEAD | 300 | °C | 10 sec | 2 | ||
| Specified / Operating Temperature Range (I grade) | TA | -40 | 85 | °C | LT1638I/LT1639I | 2 | |
| Thermal Resistance, junction to ambient (S8 package) | θJA | 190 | °C/W | S8 package; TJMAX = 150°C | 2 |
CAD (KiCad official)
- Symbol:
LT1638IS8#PBF - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SO-8 (KiCad packages3D, STEP)
- 3D model files:
lt1638is8-pbf-etched.step/lt1638is8-pbf-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lt1638is8-pbf.step/lt1638is8-pbf.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Analog Devices datasheet (18 pp, sha256
a1ec4ee3eafecefc, retrieved 2026-10-30, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).
# LT1638IS8#PBF
**Analog Devices** · Operational Amplifier · SO-8
LT1638IS8#PBF from Analog Devices, in a SO-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
## Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | OUT A | output | Output of amplifier A, which swings within 20mV of the positive rail and within 3mV of the negative rail with no load and sources or sinks at least 25mA. |
| 2 | -IN A | input | Inverting input of amplifier A, protected by an internal 1k series resistor and diode for excursions up to 2V below V-, with a maximum differential input voltage of 44V. |
| 3 | +IN A | input | Non-inverting input of amplifier A, whose common-mode range includes both supplies and which can operate up to 44V above V- regardless of V+. |
| 4 | V- | power_in | Negative supply pin; total supply voltage (V+ to V-) is specified from 2.5V to 44V, with reverse battery protection up to 18V. |
| 5 | +IN B | input | Non-inverting input of amplifier B, whose common-mode range includes both supplies and which can operate up to 44V above V- regardless of V+. |
| 6 | -IN B | input | Inverting input of amplifier B, protected by an internal 1k series resistor and diode for excursions up to 2V below V-, with a maximum differential input voltage of 44V. |
| 7 | OUT B | output | Output of amplifier B, which swings within 20mV of the positive rail and within 3mV of the negative rail with no load and sources or sinks at least 25mA. |
| 8 | V+ | power_in | Positive supply pin, which should be bypassed with about 0.1µF within an inch of the pin; total supply voltage (V+ to V-) is specified from 2.5V to 44V. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices |
| Package | SO-8 |
| Category | Operational Amplifier/Comparator |
| Pins | 8 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Input Offset Voltage (LT1638 N, S packages), TA = 25°C, 3V/5V | VOS | | 200 | 600 | μV | LT1638 N, S Packages; TA = 25°C | 4 |
| Input Offset Voltage (LT1638 N, S packages), 3V/5V | VOS | | | 950 | μV | LT1638 N, S Packages; -40°C ≤ TA ≤ 85°C | 4 |
| Input Offset Voltage Drift (N, S packages) | VOS drift | | 2 | 6 | μV/°C | LT1638/LT1639 N, S Packages; Note 9 (not 100% tested) | 4 |
| Input Voltage Range, 3V/5V | VCM | 0 | | 44 | V | VS = 3V, 0V; VS = 5V, 0V | 4 |
| Common Mode Rejection Ratio | CMRR | 88 | 98 | | dB | VCM = 0V to VCC, 1V | 4 |
| Common Mode Rejection Ratio | CMRR | 80 | 88 | | dB | VCM = 0V to 44V (Note 8); -40°C ≤ TA ≤ 85°C | 4 |
| Large-Signal Voltage Gain, VS = 3V, TA = 25°C | AVOL | 200 | 1500 | | V/mV | VS = 3V, VO = 500mV to 2.5V, RL = 10k; TA = 25°C | 4 |
| Large-Signal Voltage Gain, VS = 3V | AVOL | 100 | | | V/mV | VS = 3V, VO = 500mV to 2.5V, RL = 10k; -40°C ≤ TA ≤ 85°C | 4 |
| Large-Signal Voltage Gain, VS = 5V, TA = 25°C | AVOL | 400 | 1500 | | V/mV | VS = 5V, VO = 500mV to 4.5V, RL = 10k; TA = 25°C | 4 |
| Large-Signal Voltage Gain, VS = 5V | AVOL | 200 | | | V/mV | VS = 5V, VO = 500mV to 4.5V, RL = 10k; -40°C ≤ TA ≤ 85°C | 4 |
| Output Voltage Swing Low, 3V No Load | VOL | | 3 | 8 | mV | VS = 3V, No Load | 4 |
| Output Voltage Swing Low, 3V ISINK 5mA | VOL | | 250 | 450 | mV | VS = 3V, ISINK = 5mA | 4 |
| Output Voltage Swing Low, 5V No Load | VOL | | 3 | 8 | mV | VS = 5V, No Load | 4 |
| Output Voltage Swing Low, 5V ISINK 10mA | VOL | | 500 | 700 | mV | VS = 5V, ISINK = 10mA | 4 |
| Output Voltage Swing High, 3V No Load | VOH | 2.94 | 2.98 | | V | VS = 3V, No Load | 4 |
| Output Voltage Swing High, 3V ISOURCE 5mA | VOH | 2.25 | 2.4 | | V | VS = 3V, ISOURCE = 5mA | 4 |
| Output Voltage Swing High, 5V No Load | VOH | 4.94 | 4.98 | | V | VS = 5V, No Load | 4 |
| Output Voltage Swing High, 5V ISOURCE 10mA | VOH | 3.8 | 4 | | V | VS = 5V, ISOURCE = 10mA | 4 |
| Short-Circuit Current, 3V short to GND | ISC | 10 | 15 | | mA | VS = 3V, Short to GND (Note 2) | 4 |
| Short-Circuit Current, 3V short to VCC | ISC | 15 | 25 | | mA | VS = 3V, Short to VCC (Note 2) | 4 |
| Short-Circuit Current, 5V short to GND | ISC | 15 | 20 | | mA | VS = 5V, Short to GND (Note 2) | 4 |
| Short-Circuit Current, 5V short to VCC | ISC | 15 | 25 | | mA | VS = 5V, Short to VCC (Note 2) | 4 |
| Power Supply Rejection Ratio, 3V to 12.5V | PSRR | 90 | 100 | | dB | VS = 3V to 12.5V, VCM = VO = 1V | 5 |
| Minimum Operating Supply Voltage | | | 2.4 | 2.7 | V | | 5 |
| Supply Current per Amplifier, 25°C | IS | | 170 | 230 | μA | Note 6 | 5 |
| Supply Current per Amplifier, -40°C to 85°C | IS | | | 275 | μA | Note 6; -40°C ≤ TA ≤ 85°C | 5 |
| Gain Bandwidth Product, 3V, TA = 25°C | GBW | 650 | 1075 | | kHz | f = 5kHz; TA = 25°C (Note 5) | 5 |
| Gain Bandwidth Product, 3V | GBW | 500 | | | kHz | f = 5kHz; -40°C ≤ TA ≤ 85°C (Note 5) | 5 |
| Slew Rate, 3V/5V, TA = 25°C | SR | 0.21 | 0.38 | | V/μs | AV = -1, RL = ∞; TA = 25°C (Note 7) | 5 |
| Slew Rate, 3V/5V | SR | 0.17 | | | V/μs | AV = -1, RL = ∞; -40°C ≤ TA ≤ 85°C (Note 7) | 5 |
| Input Offset Voltage (LT1638 N, S packages), TA = 25°C, ±15V | VOS | | 250 | 800 | μV | LT1638 N, S Packages; VS = ±15V; TA = 25°C | 5 |
| Input Offset Voltage (LT1638 N, S packages), ±15V | VOS | | | 1100 | μV | LT1638 N, S Packages; VS = ±15V; -40°C ≤ TA ≤ 85°C | 5 |
| Input Offset Current, ±15V | IOS | | 1 | 6 | nA | | 6 |
| Input Bias Current, ±15V | IB | | 20 | 50 | nA | | 5 |
| Input Voltage Range, ±15V | VCM | -15 | | 29 | V | VS = ±15V | 5 |
| Common Mode Rejection Ratio, ±15V | CMRR | 80 | 88 | | dB | VCM = -15V to 29V | 5 |
| Large-Signal Voltage Gain, ±15V, TA = 25°C | AVOL | 200 | 500 | | V/mV | VS = ±15V, VO = ±14V, RL = 10k; TA = 25°C | 5 |
| Large-Signal Voltage Gain, ±15V | AVOL | 100 | | | V/mV | VS = ±15V, VO = ±14V, RL = 10k; -40°C ≤ TA ≤ 85°C | 5 |
| Output Voltage Swing, No Load, ±15V | VO | 14.9 | 14.95 | | V | VS = ±15V, No Load | 5 |
| Output Voltage Swing, IOUT = ±10mA, ±15V | VO | 13.7 | 14 | | V | VS = ±15V, IOUT = ±10mA | 5 |
| Power Supply Rejection Ratio, ±15V | PSRR | 90 | 100 | | dB | VS = ±1.5V to ±22V | 6 |
| Supply Current per Amplifier, ±15V, TA = 25°C | IS | | 205 | 280 | μA | VS = ±15V; TA = 25°C | 6 |
| Supply Current per Amplifier, ±15V | IS | | | 350 | μA | VS = ±15V; -40°C ≤ TA ≤ 85°C | 6 |
| Gain Bandwidth Product, ±15V, TA = 25°C | GBW | 750 | 1200 | | kHz | f = 5kHz; VS = ±15V; TA = 25°C | 6 |
| Gain Bandwidth Product, ±15V | GBW | 600 | | | kHz | f = 5kHz; VS = ±15V; -40°C ≤ TA ≤ 85°C | 6 |
| Slew Rate, ±15V, TA = 25°C | SR | 0.225 | 0.4 | | V/μs | AV = -1, RL = ∞, VO = ±10V; TA = 25°C | 6 |
| Slew Rate, ±15V | SR | 0.18 | | | V/μs | AV = -1, RL = ∞, VO = ±10V; -40°C ≤ TA ≤ 85°C | 6 |
| Input Current | II | -25 | | 25 | mA | | 2 |
| Junction Temperature | TJ | | | 150 | °C | | 2 |
| Storage Temperature Range | TSTG | -65 | | 150 | °C | | 2 |
| Lead Temperature (Soldering) | TLEAD | | | 300 | °C | 10 sec | 2 |
| Specified / Operating Temperature Range (I grade) | TA | -40 | | 85 | °C | LT1638I/LT1639I | 2 |
| Thermal Resistance, junction to ambient (S8 package) | θJA | | 190 | | °C/W | S8 package; TJMAX = 150°C | 2 |
## CAD (KiCad official)
- Symbol: `LT1638IS8#PBF`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SO-8 (KiCad packages3D, STEP)
- 3D model files: `lt1638is8-pbf-etched.step` / `lt1638is8-pbf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lt1638is8-pbf.step` / `lt1638is8-pbf.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Analog Devices datasheet](https://www.analog.com/media/en/technical-documentation/data-sheets/16389fg.pdf) (18 pp, sha256 `a1ec4ee3eafecefc`, retrieved 2026-10-30, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).
[Datasheet PDF](docs/lt1638is8-pbf-datasheet.pdf)