component
ADS7229IPWR
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADC), 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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ADS7229IPWR
Texas Instruments · Analog To Digital Converters (ADC) · TSSOP-16
ADS7229IPWR from Texas Instruments, 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 | +VA | power_in | Analog supply, specified at +2.7V to +5.5VDC. |
| 2 | RESERVED | input | Reserved pin; connect to AGND or +VA. |
| 3 | +IN | input | Noninverting analog input; the input span [(+IN) - (-IN)] is limited to 0V to VREF. |
| 4 | -IN | input | Inverting analog input, usually connected to ground; its voltage is limited to AGND - 0.2V to AGND + 0.2V. |
| 5 | AGND | power_in | Analog ground. |
| 6 | REF- | input | Reference negative input; connect to AGND through an individual via, with (REF-) - AGND limited to -0.1V to 0.1V. |
| 7 | REF+ (REFIN) | input | External reference input; VREF [(REF+) - (REF-)] must be within 0.3V to +VA. |
| 8 | NC | unconnected | No internal connection. |
| 9 | CONVST | input | Freezes the sample-and-hold and starts conversion on the next rising edge of the internal clock; requires a low pulse of at least 40 ns. |
| 10 | EOC/INT/CDI | bidirectional | Status output programmable as EOC (low during conversion by default) or INT with programmable polarity; can also be the chain data input CDI in daisy-chain mode. |
| 11 | FS/CS | input | Frame sync signal for the TMS320 DSP serial interface, or chip select input for the SPI slave select (SS-). |
| 12 | SDI | input | Serial data input, read at the falling edge of SCLK. |
| 13 | SDO | output | Serial data output; active while FS/CS is low and 3-stated when FS/CS is brought high. |
| 14 | BDGND | power_in | Interface ground. |
| 15 | SCLK | input | Clock for the serial interface, up to 50MHz. |
| 16 | +VBD | power_in | Interface supply, specified at 1.65V to 5.5V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-16 |
| Category | Data Acquisition |
| 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 |
|---|---|---|---|---|---|---|---|
| Voltage +IN to AGND | -0.3 | V | Over operating free-air temperature range; max printed as +VA + 0.3 | 2 | |||
| Voltage -IN to AGND | -0.3 | V | Over operating free-air temperature range; max printed as +VA + 0.3 | 2 | |||
| Voltage +VA to AGND | +VA | -0.3 | 7 | V | Over operating free-air temperature range | 2 | |
| Voltage +REF to AGND | -0.3 | V | Over operating free-air temperature range; max printed as +VA + 0.3 | 2 | |||
| Voltage -REF to AGND | -0.3 | 0.3 | V | Over operating free-air temperature range | 2 | ||
| Voltage +VBD to BDGND | +VBD | -0.3 | 7 | V | Over operating free-air temperature range | 2 | |
| Voltage AGND to BDGND | -0.3 | 0.3 | V | Over operating free-air temperature range | 2 | ||
| Digital input voltage to BDGND | -0.3 | V | Over operating free-air temperature range; max printed as +VBD + 0.3 | 2 | |||
| Digital output voltage to BDGND | -0.3 | V | Over operating free-air temperature range; max printed as +VBD + 0.3 | 2 | |||
| Operating free-air temperature range | TA | -40 | 85 | °C | 2 | ||
| Storage temperature range | TSTG | -65 | 150 | °C | 2 | ||
| Junction temperature | TJ | 150 | °C | Maximum junction temperature | 2 | ||
| TSSOP-16 package thermal impedance | θJA | 86 | °C/W | TSSOP-16 (PW) package; power dissipation (TJmax, TA)/θJA | 2 | ||
| Full-scale input voltage [+VA 4.5-5.5 V table] | FSR | 0 | V | +IN, (-IN) or (+INx, COM); max printed as VREF | 3 | ||
| Integral linearity [+VA 4.5-5.5 V table] | INL | -0.5 | 0.15 | 0.5 | LSB | 3 | |
| Differential linearity [+VA 4.5-5.5 V table] | DNL | -0.5 | 0.12 | 0.5 | LSB | 3 | |
| Offset error [+VA 4.5-5.5 V table] | EO | -1.25 | 0.3 | 1.25 | mV | Measured relative to ideal full-scale input of 4.096V when +VA = 5V | 3 |
| Offset error drift [+VA 4.5-5.5 V table] | -0.2 | 0.2 | ppm/°C | FSR = 5V | 3 | ||
| Gain error [+VA 4.5-5.5 V table] | EG | -0.1 | 0.002 | 0.1 | %FSR | 3 | |
| Signal-to-noise ratio [+VA 4.5-5.5 V table] | SNR | 72 | 73.8 | dB | VIN = 5VPP at 100kHz | 4 | |
| Internal conversion clock frequency [+VA 4.5-5.5 V table] | fCCLK | 21 | 23 | 24.5 | MHz | 4 | |
| SCLK external serial clock [+VA 4.5-5.5 V table] | fSCLK | 1 | 42 | MHz | As I/O clock and conversion clock | 4 | |
| Input reference range VREF [+VA 4.5-5.5 V table] | VREF | 0.3 | V | [(REF+), (REF-)]; max printed as +VA | 4 | ||
| Reference (REF-) to AGND [+VA 4.5-5.5 V table] | -0.1 | 0.1 | V | (REF-), AGND | 4 | ||
| Low-level input voltage VIL [+VA 4.5-5.5 V table] | VIL | -0.3 | V | 5.5V ≥ +VBD ≥ 4.5V; max printed as 0.35 × (+VBD) | 4 | ||
| Input current [+VA 4.5-5.5 V table] | II | -50 | 50 | nA | VI = +VBD or BDGND | 4 | |
| Low-level output voltage VOL [+VA 4.5-5.5 V table] | VOL | 0 | 0.4 | V | 5.5V ≥ +VBD ≥ 4.5V, IO = 100µA | 4 | |
| Power-supply voltage +VBD [+VA 4.5-5.5 V table] | +VBD | 1.65 | 3.3 | 5.5 | V | 4 | |
| Power-supply voltage +VA [+VA 4.5-5.5 V table] | +VA | 4.5 | 5 | 5.5 | V | 4 | |
| Analog supply current [+VA 4.5-5.5 V table] | 5.7 | 7 | mA | 1MHz sample rate | 4 | ||
| Supply current, Nap or Auto Nap mode [+VA 4.5-5.5 V table] | 0.3 | 0.5 | mA | Nap or Auto Nap mode | 4 | ||
| Supply current, deep power-down mode [+VA 4.5-5.5 V table] | 1 | µA | Deep power-down mode | 4 | |||
| Buffer I/O supply current [+VA 4.5-5.5 V table] | 0.1 | 0.5 | mA | 1MSPS, BVDD = 1.8V | 4 | ||
| Buffer I/O supply current [+VA 4.5-5.5 V table] | 0.5 | 1.2 | mA | 1MSPS, BVDD = 3V | 4 | ||
| External conversion/serial clock timing tSCLK [+VA 4.5-5.5 V, 5V timing table] | tSCLK | 23.8 | 2000 | ns | I/O and conversion clock | 8 | |
| Full-scale input voltage [+VA 2.7-3.6 V table] | FSR | 0 | V | +IN, (-IN) or (+INx, COM); max printed as VREF | 5 | ||
| Integral linearity [+VA 2.7-3.6 V table] | INL | -0.5 | 0.15 | 0.5 | LSB | 5 | |
| Differential linearity [+VA 2.7-3.6 V table] | DNL | -0.5 | 0.12 | 0.5 | LSB | 5 | |
| Offset error [+VA 2.7-3.6 V table] | EO | -0.8 | 0.07 | 0.8 | mV | Measured relative to ideal full-scale input of 2.5V when +VA = 3V | 5 |
| Offset error drift [+VA 2.7-3.6 V table] | -0.1 | 0.1 | ppm/°C | FSR = 2.5V | 5 | ||
| Gain error [+VA 2.7-3.6 V table] | EG | -0.1 | 0.008 | 0.1 | %FSR | 5 | |
| Gain error drift [+VA 2.7-3.6 V table] | -0.3 | 0.3 | ppm/°C | 5 | |||
| Signal-to-noise ratio [+VA 2.7-3.6 V table] | SNR | 72 | 73.2 | dB | VIN = 2.5VPP at 10kHz | 6 | |
| Internal conversion clock frequency [+VA 2.7-3.6 V table] | fCCLK | 21 | 23 | 23.5 | MHz | 6 | |
| Input reference range VREF [fSAMPLE ≤ 500kSPS, 2.7V ≤ +VA < 3V] | VREF | 0.3 | 2.525 | V | fSAMPLE ≤ 500kSPS, 2.7V ≤ +VA < 3V | 6 | |
| Input reference range VREF [fSAMPLE ≤ 500kSPS, 3V ≤ +VA < 3.6V] | VREF | 0.3 | 3 | V | fSAMPLE ≤ 500kSPS, 3V ≤ +VA < 3.6V | 6 | |
| Input reference range VREF [fSAMPLE > 500kSPS, 2.7V ≤ +VA < 3V] | VREF | 2.475 | 2.525 | V | fSAMPLE > 500kSPS, 2.7V ≤ +VA < 3V | 6 | |
| Input reference range VREF [fSAMPLE > 500kSPS, 3V ≤ +VA ≤ 3.6V] | VREF | 2.475 | 3 | V | fSAMPLE > 500kSPS, 3V ≤ +VA ≤ 3.6V | 6 | |
| Reference (REF-) to AGND [+VA 2.7-3.6 V table] | -0.1 | 0.1 | V | (REF-), AGND | 6 | ||
| Low-level input voltage VIL [+VA 2.7-3.6 V table] | VIL | -0.3 | V | (+VA × 1.5)V ≥ +VBD ≥ 1.65V; max printed as 0.35 × (+VBD) | 6 | ||
| Low-level output voltage VOL [+VA 2.7-3.6 V table] | VOL | 0 | 0.4 | V | (+VA × 1.5)V ≥ +VBD ≥ 1.65V, IO = 100µA | 6 | |
| Power-supply voltage +VBD [+VA 2.7-3.6 V table] | +VBD | 1.65 | V | max printed as 1.5 × (+VA) | 7 | ||
| Power-supply voltage +VA [fs ≤ 1MHz] | +VA | 3 | 3.6 | V | fs ≤ 1MHz | 7 | |
| Power-supply voltage +VA [fs ≤ 900kHz] | +VA | 2.7 | 3.6 | V | fs ≤ 900kHz | 7 | |
| Analog supply current [+VA 2.7-3.6 V table] | 4.5 | 6 | mA | 1MHz sample rate, 3V ≤ +VA ≤ 3.6V | 7 | ||
| Supply current, Nap or Auto Nap mode [+VA 2.7-3.6 V table] | 0.25 | 0.4 | mA | Nap or Auto Nap mode | 7 | ||
| Supply current, deep power-down mode [+VA 2.7-3.6 V table] | 0.001 | 1 | µA | Deep power-down mode | 7 | ||
| Buffer I/O supply current [+VA 2.7-3.6 V table] | 0.1 | 0.5 | mA | 1MSPS, BVDD = 1.8V | 7 | ||
| Buffer I/O supply current [+VA 2.7-3.6 V table] | 0.5 | 1.2 | mA | 1MSPS, BVDD = 3V | 7 |
CAD (KiCad official)
- Symbol:
ADS7229IPWR - Footprint:
Package_SO:TSSOP-16_4.4x5mm_P0.65mm - 3D model: TSSOP-16 (KiCad packages3D, STEP)
- 3D model files:
ads7229ipwr-etched.step/ads7229ipwr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ads7229ipwr.step/ads7229ipwr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (53 pp, sha256
1bf0bfdb6f068c2b, retrieved 2026-11-11, 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).