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MS5194T
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Hangzhou Ruimeng Tech Analog To Digital Converters (ADCs), TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownMS5194T
Hangzhou Ruimeng Tech · Analog To Digital Converters (ADCs) · TSSOP-24
MS5194T from Hangzhou Ruimeng Tech, in a TSSOP-24. 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 | SCLK | input | Serial clock input. |
| 2 | CLK | bidirectional | Clock input/output; provides the internal clock or allows it to be disabled. |
| 3 | CS | input | Chip select input pin. |
| 4 | NC | unconnected | No connection. |
| 5 | AIN6+/P1 | bidirectional | Analog channel 6 positive input / digital output pin P1. |
| 6 | AIN6-/P2 | bidirectional | Analog channel 6 negative input / digital output pin P2. |
| 7 | AIN1+ | input | Analog channel 1 positive input. |
| 8 | AIN1- | input | Analog channel 1 negative input. |
| 9 | AIN2+ | input | Analog channel 2 positive input. |
| 10 | AIN2- | input | Analog channel 2 negative input. |
| 11 | AIN3+ | input | Analog channel 3 positive input. |
| 12 | AIN3- | input | Analog channel 3 negative input. |
| 13 | REFIN1+ | input | Positive reference voltage 1 input. |
| 14 | REFIN1- | input | Negative reference voltage 1 input. |
| 15 | AIN5+/IOUT2 | bidirectional | Output of the internal excitation current source; can also serve as analog channel 5 positive input. |
| 16 | AIN5-/IOUT1 | bidirectional | Output of the internal excitation current source; can also serve as analog channel 5 negative input. |
| 17 | AIN4+/REFIN2+ | input | Positive reference voltage 2 input; can also serve as analog channel 4 positive input. |
| 18 | AIN4-/REFIN2- | input | Negative reference voltage 2 input; can also serve as analog channel 4 negative input. |
| 19 | PSW | input | Low-side power switch to ground. |
| 20 | GND | power_in | Ground. |
| 21 | AVDD | power_in | Analog supply voltage, 2.7V to 5.25V. |
| 22 | DVDD | power_in | Digital interface supply pin, between 2.7V and 5.25V. |
| 23 | DOUT/RDY | output | Serial data output / data-ready output pin. |
| 24 | DIN | input | Serial data input. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Hangzhou Ruimeng Tech |
| Package | TSSOP-24 |
| Category | Data Converters |
| Pins | 24 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Analog supply voltage | AVDD | 2.7 | 5.25 | V | 9 | ||
| Digital supply voltage | DVDD | 2.7 | 5.25 | V | 9 | ||
| Analog supply voltage range | AVDD | -0.3 | 7 | V | 5 | ||
| Digital supply voltage range | DVDD | -0.3 | 7 | V | 5 | ||
| Analog input voltage range | AIN | -0.3 | V | max AVDD+0.3 V | 5 | ||
| Reference input voltage range | VREFIN | -0.3 | V | max AVDD+0.3 V | 5 | ||
| Digital input voltage range | -0.3 | V | max DVDD+0.3 V | 5 | |||
| Digital output voltage range | V(LE) | -0.3 | V | max DVDD+0.3 V | 5 | ||
| Input port current | 10 | mA | 5 | ||||
| Operating temperature range | -40 | 105 | °C | 5 | |||
| Storage temperature range | Tstg | -60 | 150 | °C | 5 | ||
| Soldering temperature | 260 | °C | 10 sec | 5 | |||
| ESD voltage (HBM) | 4000 | V | HBM | 5 | |||
| Integral nonlinearity | INL | -15 | 15 | ppm of FSR | chopping enabled | 6 | |
| Offset error | -1 | 1 | uV | chopping enabled | 6 | ||
| Offset error drift | -10 | 10 | nV/°C | chopping enabled | 6 | ||
| Full-scale error | -10 | 10 | uV | chopping enabled | 6 | ||
| Gain drift | 1 | ppm/°C | chopping enabled | 6 | |||
| Power supply rejection | 100 | dB | AIN=1V/gain, gain > 4 | 6 | |||
| Analog input current | -1 | 1 | nA | Gain = 1 or 2, update rate < 100 Hz | 6 | ||
| Analog input current | -250 | 250 | pA | Gain = 4 to 128, update rate < 100 Hz | 6 | ||
| Analog input current drift | -2 | 2 | pA/°C | buffered mode or in-amp on | 7 | ||
| Analog input current vs voltage | -400 | 400 | nA/V | input buffer off | 7 | ||
| Analog input current drift | -50 | 50 | pA/V/°C | input buffer off | 7 | ||
| Common-mode rejection (dc) | 100 | dB | AIN = 1 V/gain, gain >= 4 | 7 | |||
| Internal reference drift | 4 | 15 | ppm/°C | 7 | |||
| External reference voltage | VREF | 0.1 | 2.5 | V | max AVDD | 7 | |
| Excitation current initial tolerance | -5 | 5 | % | 7 | |||
| Excitation current drift | 200 | ppm/°C | 7 | ||||
| Excitation current matching | -0.5 | 0.5 | % | 7 | |||
| Low-side switch on resistance | 7 | 9 | Ω | 8 | |||
| Low-side switch allowed current | 30 | mA | 8 | ||||
| CS input low voltage | 0.8 | V | DVDD=5V | 8 | |||
| CS input low voltage | 0.4 | V | DVDD=3V | 8 | |||
| CS input high voltage | 2 | V | 8 | ||||
| Input current | -10 | 10 | uA | 9 | |||
| Output high voltage | 4 | V | AVDD=5 V, ISOURCE=200 μA | 9 | |||
| Output low voltage | 0.4 | V | AVDD=3 V, ISINK=100 μA | 9 | |||
| Floating-state leakage current | -10 | 10 | uA | 9 | |||
| Supply current, buffer off, external reference | 110 | 140 | uA | AVDD=3V, input buffer off, external reference | 9 | ||
| Supply current, buffer off, external reference | 125 | 140 | uA | AVDD=5V, input buffer off, external reference | 9 | ||
| Supply current, gain 4 to 128, external reference | 300 | 400 | uA | AVDD=3V, gain 4 to 128, external reference | 9 | ||
| Supply current, gain 4 to 128, external reference | 350 | 400 | uA | AVDD=5V, gain 4 to 128, external reference | 9 | ||
| Supply current, gain 4 to 128, internal reference | 380 | 500 | uA | AVDD=3V, gain 4 to 128, internal reference | 9 | ||
| Supply current, gain 4 to 128, internal reference | 440 | 500 | uA | AVDD=5V, gain 4 to 128, internal reference | 9 | ||
| Power-down current | 1 | uA | 9 |
CAD (KiCad official)
- Symbol:
MS5194T - Footprint:
Package_SO:TSSOP-24_4.4x7.8mm_P0.65mm - 3D model: TSSOP-24 (KiCad packages3D, STEP)
- 3D model files:
ms5194t-etched.step/ms5194t-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ms5194t.step/ms5194t.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Hangzhou Ruimeng Tech datasheet (17 pp, sha256
5b682b2d793cf770, retrieved 2026-10-22, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-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).