component
ADS7846E
Public Made by Adomby adom
Texas Instruments Touch Screen Controllers, SSOP-16-150mil. 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
markdownADS7846E
Texas Instruments · Touch Screen Controllers · SSOP-16-150mil
ADS7846E from Texas Instruments, in a SSOP-16-150mil. 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 | power_in | Power supply input; specified performance at 2.7 V to 3.6 V, operating range 2.2 V to 5.25 V. |
| 2 | X+ | passive | X+ position input to the touch screen, switched through an internal driver with 5 Ω typical on-resistance. |
| 3 | Y+ | passive | Y+ position input to the touch screen, switched through an internal driver with 5 Ω typical on-resistance. |
| 4 | X- | passive | X- position input to the touch screen, switched through an internal driver with 6 Ω typical on-resistance. |
| 5 | Y- | passive | Y- position input to the touch screen, switched through an internal driver with 6 Ω typical on-resistance. |
| 6 | GND | power_in | Ground; the datasheet states it must be connected to a clean ground point, ideally a dedicated analog ground plane. |
| 7 | VBAT | power_in | Battery monitor input with an input voltage range of 0.5 V to 6.0 V and 10 kΩ sampling input impedance. |
| 8 | AUX | input | Auxiliary input to the ADC; absolute input range is -0.2 V to +VCC + 0.2 V. |
| 9 | VREF | power_in | Voltage reference input/output for the converter; the internal 2.5 V reference (2.45 V to 2.55 V) is available here, and an external reference input range is 1.0 V to +VCC. |
| 10 | +VCC | power_in | Digital I/O power supply; logic input and output levels are referenced to this supply (VIH minimum +VCC × 0.7, VOH minimum +VCC × 0.8). |
| 11 | PENIRQ | output | Pen interrupt open-anode output that requires an external 10 kΩ to 100 kΩ pull-up resistor; VOL is 0.8 V maximum with a 50 kΩ pull-up. |
| 12 | DOUT | tri_state | Serial data output shifted on the falling edge of DCLK; high impedance when CS is high. |
| 13 | BUSY | tri_state | Busy output; high impedance when CS is high. |
| 14 | DIN | input | Serial data input; data is latched on the rising edge of DCLK when CS is low. |
| 15 | CS | input | Chip select input that controls conversion timing and enables the serial I/O register; CS high puts the ADC in power-down mode. |
| 16 | DCLK | input | External clock input that runs the SAR conversion process and synchronizes serial data I/O. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SSOP-16-150mil |
| Category | Data Acquisition |
| Pins | 16 |
CAD (KiCad official)
- Symbol:
ADS7846E - Footprint:
Package_SO:SSOP-16_5.3x6.2mm_P0.65mm - 3D model: SSOP-16-150mil (KiCad packages3D, STEP)
- 3D model files:
ads7846e-etched.step/ads7846e-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ads7846e.step/ads7846e.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (33 pp, sha256
2bb9324ddfaf5902, retrieved 2026-10-11, tier: lcsc) - 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).