component
ADM3222ARSZ-REEL
Public Made by Adomby adom
Analog Devices RS232 ICs, SSOP-20-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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ADM3222ARSZ-REEL
Analog Devices · RS232 ICs · SSOP-20-208mil
ADM3222ARSZ-REEL from Analog Devices, in a SSOP-20-208mil. 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 | EN | input | Active-low receiver enable: when low the receiver outputs are enabled, when high they are three-stated. |
| 2 | C1+ | passive | External capacitor 1 connects between C1+ and C1-; 0.1 µF recommended, larger up to 47 µF can be used. |
| 3 | V+ | power_out | Internally generated positive supply (+6 V nominal). |
| 4 | C1- | passive | External capacitor 1 connects between C1+ and C1-; 0.1 µF recommended, larger up to 47 µF can be used. |
| 5 | C2+ | passive | External capacitor 2 connects between C2+ and C2-; 0.1 µF recommended, larger up to 47 µF can be used. |
| 6 | C2- | passive | External capacitor 2 connects between C2+ and C2-; 0.1 µF recommended, larger up to 47 µF can be used. |
| 7 | V- | power_out | Internally generated negative supply (-6 V nominal). |
| 8 | T2OUT | output | Transmitter 2 (driver) output at RS-232 signal levels (typically ±9 V). |
| 9 | R2IN | input | Receiver 2 input accepting RS-232 levels, with an internal 5 kΩ pull-down resistor to GND. |
| 10 | R2OUT | output | Receiver 2 output at CMOS logic levels. |
| 11 | NC | unconnected | No connect. |
| 12 | T2IN | input | Transmitter 2 (driver) input accepting TTL/CMOS levels. |
| 13 | T1IN | input | Transmitter 1 (driver) input accepting TTL/CMOS levels. |
| 14 | NC | unconnected | No connect. |
| 15 | R1OUT | output | Receiver 1 output at CMOS logic levels. |
| 16 | R1IN | input | Receiver 1 input accepting RS-232 levels, with an internal 5 kΩ pull-down resistor to GND. |
| 17 | T1OUT | output | Transmitter 1 (driver) output at RS-232 signal levels (typically ±9 V). |
| 18 | GND | power_in | Ground pin, must be connected to 0 V. |
| 19 | VCC | power_in | Power supply input, 3.3 V ± 0.3 V. |
| 20 | SD | input | Active-low shutdown control: when low the charge pump is shut down and the transmitter outputs are disabled. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices |
| Package | SSOP-20-208mil |
| Category | Communication Interface Chip |
| Pins | 20 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Operating Voltage Range | 3 | 3.3 | 5.5 | V | 3 | ||
| VCC Power Supply Current | 1.3 | 3 | mA | No load | 3 | ||
| VCC Power Supply Current | 8 | 12 | mA | RL = 3 kΩ to GND | 3 | ||
| Shutdown Supply Current | 0.01 | 0.5 | μA | 3 | |||
| Input Logic Threshold Low | VINL | 0.8 | V | TIN | 3 | ||
| Input Logic Threshold High | VINH | 2 | V | TIN | 3 | ||
| CMOS Output Voltage Low | VOL | 0.4 | V | IOUT = 1.6 mA | 3 | ||
| Logic Pull-Up Current | 5 | 10 | μA | TIN = GND to VCC1 | 3 | ||
| Output Leakage Current (logic) | -10 | 10 | μA | Receivers disabled | 3 | ||
| EIA-232 Input Voltage Range | -30 | 30 | V | 3 | |||
| EIA-232 Input Threshold Low | 0.6 | 1.2 | V | 3 | |||
| EIA-232 Input Threshold High | 1.6 | 2.4 | V | 3 | |||
| EIA-232 Input Resistance | 3 | 5 | 7 | kΩ | 3 | ||
| Output Voltage Swing (RS-232) | -5 | 5.2 | V | VCC = 3.3 V, all transmitter outputs loaded with 3 kΩ to ground | 3 | ||
| Output Voltage Swing (RS-562) | -3.7 | 3.7 | V | VCC = 3.0 V | 3 | ||
| Transmitter Output Resistance | 300 | Ω | VCC = 0 V, VOUT = ±2 V | 3 | |||
| RS-232 Output Short-Circuit Current | -15 | 15 | mA | 3 | |||
| Transmitter Output Leakage Current | -25 | 25 | μA | SD = low, VOUT = 12 V | 3 | ||
| Maximum Data Rate | 460 | kbps | VCC = 3.3 V, RL = 3 kΩ to 7 kΩ, CL = 50 pF to 1000 pF, one Tx switching | 3 | |||
| Receiver Propagation Delay TPHL | TPHL | 0.4 | 1 | μs | 3 | ||
| Receiver Propagation Delay TPLH | TPLH | 0.4 | 1 | μs | 3 | ||
| Transmitter Propagation Delay | 0.3 | 1.2 | μs | RL = 3 kΩ, CL = 1000 pF | 3 | ||
| Receiver Output Enable Time | 200 | ns | 3 | ||||
| Receiver Output Disable Time | 200 | ns | 3 | ||||
| Transmitter Skew | 30 | ns | 3 | ||||
| Receiver Skew | 300 | ns | 3 | ||||
| Transition Region Slew Rate | 5.5 | 10 | 30 | V/μs | Measured from +3 V to −3 V or −3 V to +3 V, VCC = +3.3 V; RL = 3 kΩ, CL = 1000 pF, TA = 25°C | 3 | |
| VCC Supply Voltage (absolute maximum) | VCC | -0.3 | 6 | V | 4 | ||
| V+ Output (absolute maximum) | V+ | 14 | V | 4 | |||
| V− Output (absolute maximum) | V− | -14 | 0.3 | V | 4 | ||
| TIN Input Voltage (absolute maximum) | TIN | -0.3 | V | 4 | |||
| RIN Input Voltage (absolute maximum) | RIN | -30 | 30 | V | 4 | ||
| TOUT Output Voltage (absolute maximum) | TOUT | -15 | 15 | V | 4 | ||
| ROUT Output Voltage (absolute maximum) | ROUT | -0.3 | V | 4 | |||
| Power Dissipation | 450 | mW | Derates 6 mW/°C above 50°C | 4 | |||
| Storage Temperature Range | -65 | 150 | °C | 4 | |||
| Operating Temperature Range (Industrial, A Version) | -40 | 85 | °C | Industrial (A Version) | 4 | ||
| Thermal Impedance, θJA | θJA | 83 | °C/W | RS-20 (4-Layer Test Board) | 4 |
CAD (KiCad official)
- Symbol:
ADM3222ARSZ-REEL - Footprint:
Package_SO:SSOP-20_5.3x7.2mm_P0.65mm - 3D model: SSOP-20-208mil (KiCad packages3D, STEP)
- 3D model files:
adm3222arsz-reel-etched.step/adm3222arsz-reel-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);adm3222arsz-reel.step/adm3222arsz-reel.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Analog Devices datasheet (16 pp, sha256
cd33ca7a96faf2c0, 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).
# ADM3222ARSZ-REEL
**Analog Devices** · RS232 ICs · SSOP-20-208mil
ADM3222ARSZ-REEL from Analog Devices, in a SSOP-20-208mil. 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 | EN | input | Active-low receiver enable: when low the receiver outputs are enabled, when high they are three-stated. |
| 2 | C1+ | passive | External capacitor 1 connects between C1+ and C1-; 0.1 µF recommended, larger up to 47 µF can be used. |
| 3 | V+ | power_out | Internally generated positive supply (+6 V nominal). |
| 4 | C1- | passive | External capacitor 1 connects between C1+ and C1-; 0.1 µF recommended, larger up to 47 µF can be used. |
| 5 | C2+ | passive | External capacitor 2 connects between C2+ and C2-; 0.1 µF recommended, larger up to 47 µF can be used. |
| 6 | C2- | passive | External capacitor 2 connects between C2+ and C2-; 0.1 µF recommended, larger up to 47 µF can be used. |
| 7 | V- | power_out | Internally generated negative supply (-6 V nominal). |
| 8 | T2OUT | output | Transmitter 2 (driver) output at RS-232 signal levels (typically ±9 V). |
| 9 | R2IN | input | Receiver 2 input accepting RS-232 levels, with an internal 5 kΩ pull-down resistor to GND. |
| 10 | R2OUT | output | Receiver 2 output at CMOS logic levels. |
| 11 | NC | unconnected | No connect. |
| 12 | T2IN | input | Transmitter 2 (driver) input accepting TTL/CMOS levels. |
| 13 | T1IN | input | Transmitter 1 (driver) input accepting TTL/CMOS levels. |
| 14 | NC | unconnected | No connect. |
| 15 | R1OUT | output | Receiver 1 output at CMOS logic levels. |
| 16 | R1IN | input | Receiver 1 input accepting RS-232 levels, with an internal 5 kΩ pull-down resistor to GND. |
| 17 | T1OUT | output | Transmitter 1 (driver) output at RS-232 signal levels (typically ±9 V). |
| 18 | GND | power_in | Ground pin, must be connected to 0 V. |
| 19 | VCC | power_in | Power supply input, 3.3 V ± 0.3 V. |
| 20 | SD | input | Active-low shutdown control: when low the charge pump is shut down and the transmitter outputs are disabled. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices |
| Package | SSOP-20-208mil |
| Category | Communication Interface Chip |
| Pins | 20 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Operating Voltage Range | | 3 | 3.3 | 5.5 | V | | 3 |
| VCC Power Supply Current | | | 1.3 | 3 | mA | No load | 3 |
| VCC Power Supply Current | | | 8 | 12 | mA | RL = 3 kΩ to GND | 3 |
| Shutdown Supply Current | | | 0.01 | 0.5 | μA | | 3 |
| Input Logic Threshold Low | VINL | | | 0.8 | V | TIN | 3 |
| Input Logic Threshold High | VINH | 2 | | | V | TIN | 3 |
| CMOS Output Voltage Low | VOL | | | 0.4 | V | IOUT = 1.6 mA | 3 |
| Logic Pull-Up Current | | 5 | | 10 | μA | TIN = GND to VCC1 | 3 |
| Output Leakage Current (logic) | | -10 | | 10 | μA | Receivers disabled | 3 |
| EIA-232 Input Voltage Range | | -30 | | 30 | V | | 3 |
| EIA-232 Input Threshold Low | | | 0.6 | 1.2 | V | | 3 |
| EIA-232 Input Threshold High | | | 1.6 | 2.4 | V | | 3 |
| EIA-232 Input Resistance | | 3 | 5 | 7 | kΩ | | 3 |
| Output Voltage Swing (RS-232) | | -5 | 5.2 | | V | VCC = 3.3 V, all transmitter outputs loaded with 3 kΩ to ground | 3 |
| Output Voltage Swing (RS-562) | | -3.7 | | 3.7 | V | VCC = 3.0 V | 3 |
| Transmitter Output Resistance | | 300 | | | Ω | VCC = 0 V, VOUT = ±2 V | 3 |
| RS-232 Output Short-Circuit Current | | -15 | | 15 | mA | | 3 |
| Transmitter Output Leakage Current | | -25 | | 25 | μA | SD = low, VOUT = 12 V | 3 |
| Maximum Data Rate | | | | 460 | kbps | VCC = 3.3 V, RL = 3 kΩ to 7 kΩ, CL = 50 pF to 1000 pF, one Tx switching | 3 |
| Receiver Propagation Delay TPHL | TPHL | | 0.4 | 1 | μs | | 3 |
| Receiver Propagation Delay TPLH | TPLH | | 0.4 | 1 | μs | | 3 |
| Transmitter Propagation Delay | | | 0.3 | 1.2 | μs | RL = 3 kΩ, CL = 1000 pF | 3 |
| Receiver Output Enable Time | | | | 200 | ns | | 3 |
| Receiver Output Disable Time | | | | 200 | ns | | 3 |
| Transmitter Skew | | | | 30 | ns | | 3 |
| Receiver Skew | | | | 300 | ns | | 3 |
| Transition Region Slew Rate | | 5.5 | 10 | 30 | V/μs | Measured from +3 V to −3 V or −3 V to +3 V, VCC = +3.3 V; RL = 3 kΩ, CL = 1000 pF, TA = 25°C | 3 |
| VCC Supply Voltage (absolute maximum) | VCC | -0.3 | | 6 | V | | 4 |
| V+ Output (absolute maximum) | V+ | | | 14 | V | | 4 |
| V− Output (absolute maximum) | V− | -14 | | 0.3 | V | | 4 |
| TIN Input Voltage (absolute maximum) | TIN | -0.3 | | | V | | 4 |
| RIN Input Voltage (absolute maximum) | RIN | -30 | | 30 | V | | 4 |
| TOUT Output Voltage (absolute maximum) | TOUT | -15 | | 15 | V | | 4 |
| ROUT Output Voltage (absolute maximum) | ROUT | -0.3 | | | V | | 4 |
| Power Dissipation | | | | 450 | mW | Derates 6 mW/°C above 50°C | 4 |
| Storage Temperature Range | | -65 | | 150 | °C | | 4 |
| Operating Temperature Range (Industrial, A Version) | | -40 | | 85 | °C | Industrial (A Version) | 4 |
| Thermal Impedance, θJA | θJA | | 83 | | °C/W | RS-20 (4-Layer Test Board) | 4 |
## CAD (KiCad official)
- Symbol: `ADM3222ARSZ-REEL`
- Footprint: `Package_SO:SSOP-20_5.3x7.2mm_P0.65mm`
- 3D model: SSOP-20-208mil (KiCad packages3D, STEP)
- 3D model files: `adm3222arsz-reel-etched.step` / `adm3222arsz-reel-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `adm3222arsz-reel.step` / `adm3222arsz-reel.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/ADM3202_3222_1385.pdf) (16 pp, sha256 `cd33ca7a96faf2c0`, 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/adm3222arsz-reel-datasheet.pdf)