component
AD7879-1WARUZ-RL7
Public Made by Adomby adom
Analog Devices Touch Screen Controllers, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
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AD7879-1WARUZ-RL7
Analog Devices · Touch Screen Controllers · TSSOP-16
AD7879-1WARUZ-RL7 from Analog Devices, in a TSSOP-16. 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 | VCC/REF | power_in | Power supply input and ADC reference, operating from 1.6 V to 3.6 V. |
| 2 | NC | unconnected | No connect. |
| 3 | X+ | bidirectional | Touch screen input channel. |
| 4 | Y+ | bidirectional | Touch screen input channel. |
| 5 | X− | bidirectional | Touch screen input channel. |
| 6 | Y− | bidirectional | Touch screen input channel. |
| 7 | NC | unconnected | No connect. |
| 8 | ADD1 | input | I2C address bit 1 for the AD7879-1W, tied high or low to determine the device address. |
| 9 | GND | power_in | Ground reference point for all circuitry; analog input signals and any external reference should be referred to this voltage. |
| 10 | NC | unconnected | No connect. |
| 11 | SCL | input | Serial interface clock input. |
| 12 | SDA | bidirectional | I2C serial data input and output for the AD7879-1W. |
| 13 | PENIRQ/INT/DAV | output | Active-low interrupt output with internal 50 kΩ pull-up, asserted on screen touch (PENIRQ), when a measurement exceeds the programmed limits (INT), or when new data is available (DAV). |
| 14 | AUX/VBAT/GPIO | bidirectional | Programmable as an auxiliary ADC input (AUX), a battery measurement ADC input (VBAT), or a general-purpose digital input/output (GPIO). |
| 15 | NC | unconnected | No connect. |
| 16 | ADD0 | input | I2C address bit 0 for the AD7879-1W, tied high or low to determine the device address. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices |
| Package | TSSOP-16 |
| Category | Data Converters |
| Pins | 16 |
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 | VCC | 1.6 | 3.6 | V | 3 | ||
| Operating temperature | TA | -40 | 85 | °C | 3 | ||
| No Missing Codes | 11 | 12 | Bits | 3 | |||
| Integral Nonlinearity | INL | 3 | LSB | LSB size = 390 µV; ±3 printed | 3 | ||
| Negative DNL | DNL | -0.99 | LSB | LSB size = 390 µV | 3 | ||
| Positive DNL | DNL | 2 | LSB | LSB size = 390 µV | 3 | ||
| Offset Error | 2 | 6 | LSB | ±2 and ±6 printed | 3 | ||
| Gain Error | 4 | LSB | ±4 printed | 3 | |||
| Noise | 70 | µV rms | 3 | ||||
| Power Supply Rejection | 60 | dB | 3 | ||||
| Internal Clock Frequency | 2 | MHz | 3 | ||||
| Internal Clock Accuracy | 1.8 | 2.2 | MHz | 3 | |||
| On Resistance Y+, X+ | RON | 6 | Ω | Y+, X+ | 3 | ||
| On Resistance Y−, X− | RON | 5 | Ω | Y−, X− | 3 | ||
| Analog Input Voltage Range | 0 | V | 0 to VCC printed | 3 | |||
| Analog Input DC Leakage Current | 0.1 | µA | ±0.1 printed | 3 | |||
| Analog Input Capacitance | 30 | pF | 3 | ||||
| Analog Input Accuracy | 0.3 | % | 3 | ||||
| Temperature Measurement Range | -40 | 85 | °C | 3 | |||
| Temperature Resolution | 0.3 | °C | 3 | ||||
| Temperature Accuracy | 2 | °C | Calibrated at 25°C; ±2 printed | 3 | |||
| Battery Monitor Input Voltage Range | 0.5 | 5 | V | 3 | |||
| Battery Monitor Input Impedance | 16 | kΩ | 3 | ||||
| Battery Monitor Accuracy | 2 | 5 | % | Uncalibrated accuracy | 3 | ||
| Logic Input Current | IIN | 0.01 | µA | VIN = 0 V or VCC | 3 | ||
| Logic Input Capacitance | CIN | 10 | pF | 3 | |||
| Output Low Voltage | VOL | 0.4 | V | 3 | |||
| Floating-State Leakage Current | 0.1 | µA | ±0.1 printed | 3 | |||
| Floating-State Output Capacitance | 5 | pF | 3 | ||||
| Conversion Time | 9.5 | µs | Including 2 µs of acquisition time, MAV filter off | 3 | |||
| Throughput Rate | 105 | kSPS | 3 | ||||
| SCL clock frequency | fSCL | 400 | kHz | 5 | |||
| Start condition hold time | t1 | 0.6 | µs | tHD;STA | 5 | ||
| Clock low period | t2 | 1.3 | µs | tLOW | 5 | ||
| Clock high period | t3 | 0.6 | µs | tHIGH | 5 | ||
| Data setup time | t4 | 100 | ns | tSU;DAT | 5 | ||
| Data hold time | t5 | 300 | ns | tHD;DAT | 5 | ||
| Stop condition setup time | t6 | 0.6 | µs | tSU;STO | 5 | ||
| Start condition setup time | t7 | 0.6 | µs | tSU;STA | 5 | ||
| Bus-free time between stop and start | t8 | 1.3 | µs | tBUF | 5 | ||
| Clock/data rise time | tR | 300 | ns | 5 | |||
| Clock/data fall time | tF | 300 | ns | 5 | |||
| VCC to GND | VCC | -0.3 | 3.6 | V | TA = 25°C | 6 | |
| AUX/VBAT to GND | -0.3 | 5 | V | TA = 25°C | 6 | ||
| Input Current to Any Pin Except Supplies | 10 | mA | Transient currents up to 100 mA do not cause SCR latch-up | 6 | |||
| Storage Temperature Range | -65 | 150 | °C | 6 | |||
| Junction Temperature | TJ | 150 | °C | 6 | |||
| Power Dissipation TSSOP | 577.2 | mW | 4-Layer Board | 6 | |||
| Lead Temperature (Soldering 10 sec) | 300 | °C | 6 | ||||
| Thermal resistance 16-Lead TSSOP | θJA | 112.6 | °C/W | 4-layer board | 6 |
CAD (KiCad official)
- Symbol:
AD7879-1WARUZ-RL7 - Footprint:
Package_SO:TSSOP-16_4.4x5mm_P0.65mm - 3D model: TSSOP-16 (KiCad packages3D, STEP)
- 3D model files:
ad7879-1waruz-rl7-etched.step/ad7879-1waruz-rl7-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ad7879-1waruz-rl7.step/ad7879-1waruz-rl7.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Analog Devices datasheet (40 pp, sha256
0c946639855c2c1c, retrieved 2026-10-30, tier: manufacturer) - 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).