# TS3704IPT

**STMicroelectronics** · Comparators · TSSOP-14

TS3704IPT from STMicroelectronics, in a TSSOP-14. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | OUT2 | output | Comparator 2 push-pull CMOS output. Drives high to VCC+ or low to VCC- without an external pull-up resistor. IOH/IOL guaranteed at ±4 mA. |
| 2 | OUT1 | output | Comparator 1 push-pull CMOS output. Drives high to VCC+ or low to VCC- without an external pull-up resistor. IOH/IOL guaranteed at ±4 mA. |
| 3 | VCC+ | power_in | Positive supply rail. Single-supply range 2.7 V to 16 V (TS3704C/I) or dual-supply ±1.35 V to ±8 V. Absolute maximum 18 V. |
| 4 | IN1- | input | Comparator 1 inverting input. Very high input impedance (~10^12 Ω typ.), input bias current 1 pA typ. Common-mode range includes GND (0 V to VCC+ - 1.5 V). |
| 5 | IN1+ | input | Comparator 1 non-inverting input. Very high input impedance (~10^12 Ω typ.), input bias current 1 pA typ. Common-mode range includes GND (0 V to VCC+ - 1.5 V). |
| 6 | IN2- | input | Comparator 2 inverting input. Very high input impedance (~10^12 Ω typ.), input bias current 1 pA typ. Common-mode range includes GND (0 V to VCC+ - 1.5 V). |
| 7 | IN2+ | input | Comparator 2 non-inverting input. Very high input impedance (~10^12 Ω typ.), input bias current 1 pA typ. Common-mode range includes GND (0 V to VCC+ - 1.5 V). |
| 8 | IN3+ | input | Comparator 3 non-inverting input. Very high input impedance (~10^12 Ω typ.), input bias current 1 pA typ. Common-mode range includes GND (0 V to VCC+ - 1.5 V). |
| 9 | IN3- | input | Comparator 3 inverting input. Very high input impedance (~10^12 Ω typ.), input bias current 1 pA typ. Common-mode range includes GND (0 V to VCC+ - 1.5 V). |
| 10 | IN4+ | input | Comparator 4 non-inverting input. Very high input impedance (~10^12 Ω typ.), input bias current 1 pA typ. Common-mode range includes GND (0 V to VCC+ - 1.5 V). |
| 11 | IN4- | input | Comparator 4 inverting input. Very high input impedance (~10^12 Ω typ.), input bias current 1 pA typ. Common-mode range includes GND (0 V to VCC+ - 1.5 V). |
| 12 | VCC- | power_in | Negative supply / ground reference. Tie to GND for single-supply operation or to the negative rail for dual-supply operation (±1.35 V to ±8 V). |
| 13 | OUT4 | output | Comparator 4 push-pull CMOS output. Drives high to VCC+ or low to VCC- without an external pull-up resistor. IOH/IOL guaranteed at ±4 mA. |
| 14 | OUT3 | output | Comparator 3 push-pull CMOS output. Drives high to VCC+ or low to VCC- without an external pull-up resistor. IOH/IOL guaranteed at ±4 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | TSSOP-14 |
| Category | Op-amp/Cmp |
| Pins | 14 |

## Ordering variants

- `TS3704IPT`
- `TS3704IPTMPT`
- `TS3704IPTCD`
- `TS3704IPTCDT`
- `TS3704IPTID`
- `TS3704IPTIDT`
- `TS3704IPTMD`
- `TS3704IPTMDT`
- `TS3704IPTCN`
- `TS3704IPTIN`
- `TS3704IPTMN`

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply voltage (TS3704C, TS3704I) | VCC+ | 2.7 |  | 16 | V | TS3704I | 3 |
| Common mode input voltage range | Vicm | 0 |  |  | V |  | 3 |
| Operating free-air temperature range | Toper | -40 |  | 125 | °C | TS3704I | 3 |
| Supply voltage | VCC+ |  |  | 18 | V |  | 3 |
| Differential input voltage | Vid | -18 |  | 18 | V | Non-inverting input with respect to inverting input | 3 |
| Input voltage | Vi |  |  | 18 | V |  | 3 |
| Output voltage | Vo |  |  | 18 | V |  | 3 |
| Output current | Io |  |  | 20 | mA |  | 3 |
| Forward current in ESD protection diodes on input | IF |  |  | 50 | mA |  | 3 |
| Power dissipation (TSSOP14) | Pd |  |  | 710 | mW | Tamb = +25°C, Tj = +150°C, Rthja = 175°C/W for TSSOP14 | 3 |
| Storage temperature range | Tstg | -65 |  | 150 | °C |  | 3 |
| ESD human body model | HBM |  |  | 500 | V | 100pF charged, discharged through 1.5kΩ | 3 |
| ESD machine model | MM |  |  | 50 | V | 200pF charged, discharged directly, no series resistor | 3 |
| ESD charged device model | CDM |  |  | 1.5 | kV |  | 3 |
| Thermal resistance junction to ambient | Rthja |  | 175 |  | °C/W | TSSOP14 package | 3 |
| Input offset voltage | Vio |  |  | 5 | mV | Vic = 1.5V | 4 |
| Input offset voltage | Vio |  |  | 6.5 | mV | Vic = 1.5V; Tmin ≤ Tamb ≤ Tmax | 4 |
| Input offset current | Iio |  | 1 | 300 | pA | Vic = 1.5V; Tmin ≤ Tamb ≤ Tmax | 4 |
| Input bias current | Iib |  | 1 | 600 | pA | Vic = 1.5V; Tmin ≤ Tamb ≤ Tmax | 4 |
| Input common mode voltage range | Vicm | 0 |  |  | V |  | 4 |
| Common-mode rejection ratio | CMR | 80 |  |  | dB | Vic = Vicm min | 4 |
| Supply voltage rejection ratio | SVR | 75 |  |  | dB | VCC+ = 3V to 5V | 4 |
| High level output voltage | VOH | 1.8 | 2 | 2.4 | V | Vid = 1V, IOH = -4mA; Tmin ≤ Tamb ≤ Tmax | 4 |
| Low level output voltage | VOL |  | 300 | 400 | mV | Vid = -1V, IOL = 4mA | 4 |
| Low level output voltage | VOL |  |  | 575 | mV | Vid = -1V, IOL = 4mA; Tmin ≤ Tamb ≤ Tmax | 4 |
| Supply current (each comparator) | ICC |  | 7 | 20 | μA | No load - Outputs low | 4 |
| Supply current (each comparator) | ICC |  |  | 25 | μA | No load - Outputs low; Tmin ≤ Tamb ≤ Tmax | 4 |
| Input offset voltage | Vio |  | 1.2 | 5 | mV | Vic = 2.5V, Vcc+ = 5V to 10V | 5 |
| Input offset voltage | Vio |  |  | 6.5 | mV | Vic = 2.5V, Vcc+ = 5V to 10V; Tmin ≤ Tamb ≤ Tmax | 5 |
| Input offset current | Iio |  | 1 | 300 | pA | Vic = 2.5V; Tmin ≤ Tamb ≤ Tmax | 5 |
| Input bias current | Iib |  | 1 | 600 | pA | Vic = 2.5V; Tmin ≤ Tamb ≤ Tmax | 5 |
| Input common mode voltage range | Vicm | 0 |  |  | V |  | 5 |
| Common-mode rejection ratio | CMR | 80 |  |  | dB | Vic = Vicm min | 5 |
| Supply voltage rejection ratio | SVR | 92 |  |  | dB | VCC+ = +5V to +10V | 5 |
| High level output voltage | VOH | 4.3 | 4.5 | 4.7 | V | Vid = 1V, IOH = -4mA; Tmin ≤ Tamb ≤ Tmax | 5 |
| Low level output voltage | VOL |  | 200 | 300 | mV | Vid = -1V, IOL = 4mA | 5 |
| Low level output voltage | VOL |  |  | 375 | mV | Vid = -1V, IOL = 4mA; Tmin ≤ Tamb ≤ Tmax | 5 |
| Supply current (each comparator) | ICC |  | 9 | 20 | μA | No load - Outputs low | 5 |
| Supply current (each comparator) | ICC |  |  | 25 | μA | No load - Outputs low; Tmin ≤ Tamb ≤ Tmax | 5 |
| Fall time | tf |  |  | 30 | ns | f = 10kHz, CL = 50pF, overdrive 50mV | 5 |

## CAD (KiCad official)

- Symbol: `TS3704IPT`
- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`
- 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files: `ts3704ipt-etched.step` / `ts3704ipt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ts3704ipt.step` / `ts3704ipt.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [STMicroelectronics datasheet](https://www.st.com/resource/en/datasheet/ts3704ipt.pdf) (None pp, sha256 `1d84618a02132adf`, retrieved 2026-08-17, tier: manufacturer)
- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/ts3704ipt-datasheet.pdf)