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ADS41B29IRGZR

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Texas Instruments Analog To Digital Converters (ADC), VQFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ADS41B29IRGZR

Texas Instruments · Analog To Digital Converters (ADC) · VQFN-48-EP(7x7)

ADS41B29IRGZR from Texas Instruments, in a VQFN-48-EP(7x7). 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 DRGND power_in Digital and output buffer ground.
2 DRVDD power_in 1.8-V digital and output buffer supply.
3 OVR_SDOUT output Out-of-range indicator after reset (READOUT = 0) and serial register readout pin when READOUT = 1; a 1.8-V CMOS output running off DRVDD.
4 CLKOUTM output Differential output clock, complement.
5 CLKOUTP output Differential output clock, true.
6 DFS input Data format select input that sets the data format (twos complement or offset binary) and the LVDS or CMOS output interface type.
7 OE input Output buffer enable input, active high; has an internal 100-kΩ pull-up resistor to DRVDD.
8 AVDD power_in 1.8-V analog power supply.
9 AGND power_in Analog ground.
10 CLKP input Differential clock input, positive.
11 CLKM input Differential clock input, negative.
12 AGND power_in Analog ground.
13 VCM output Outputs the common-mode voltage that can be used externally to bias the analog input pins.
14 AGND power_in Analog ground.
15 INP input Differential analog input, positive.
16 INM input Differential analog input, negative.
17 AGND power_in Analog ground.
18 AVDD power_in 1.8-V analog power supply.
19 AGND power_in Analog ground.
20 AVDD power_in 1.8-V analog power supply.
21 AVDD_BUF power_in 3.3-V input buffer supply.
22 AVDD power_in 1.8-V analog power supply.
23 RESERVED input Digital control pin reserved for future use.
24 AVDD power_in 1.8-V analog power supply.
25 AGND power_in Analog ground.
26 AVDD power_in 1.8-V analog power supply.
27 SEN input Serial interface enable input when RESET is low; when RESET is high it has no function and must be tied to AVDD, with an internal 180-kΩ pull-up to AVDD.
28 SDATA input Serial interface data input when RESET is low; when RESET is high it functions as a STANDBY control pin, with an internal 180-kΩ pull-down.
29 SCLK input Serial interface clock input when RESET is low; when RESET is high it has no function and must be tied to ground, with an internal 180-kΩ pull-down.
30 RESET input Serial interface reset input; a high pulse initializes the internal registers, and it has an internal 100-kΩ pull-down resistor.
31 NC unconnected Do not connect.
32 NC unconnected Do not connect.
33 NC unconnected Do not connect.
34 NC unconnected Do not connect.
35 DRVDD power_in 1.8-V digital and output buffer supply.
36 DRGND power_in Digital and output buffer ground.
37 D0_D1_M output Differential output data D0 and D1 multiplexed, complement.
38 D0_D1_P output Differential output data D0 and D1 multiplexed, true.
39 D2_D3_M output Differential output data D2 and D3 multiplexed, complement.
40 D2_D3_P output Differential output data D2 and D3 multiplexed, true.
41 D4_D5_M output Differential output data D4 and D5 multiplexed, complement.
42 D4_D5_P output Differential output data D4 and D5 multiplexed, true.
43 D6_D7_M output Differential output data D6 and D7 multiplexed, complement.
44 D6_D7_P output Differential output data D6 and D7 multiplexed, true.
45 D8_D9_M output Differential output data D8 and D9 multiplexed, complement.
46 D8_D9_P output Differential output data D8 and D9 multiplexed, true.
47 D10_D11_M output Differential output data D10 and D11 multiplexed, complement.
48 D10_D11_P output Differential output data D10 and D11 multiplexed, true.
49 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VQFN-48-EP(7x7)
Category Data Acquisition
Pins 49

CAD (KiCad official)

  • Symbol: ADS41B29IRGZR
  • Footprint: Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm
  • 3D model: VQFN-48-EP(7x7) (KiCad packages3D, STEP)
  • 3D model files: ads41b29irgzr-etched.step / ads41b29irgzr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ads41b29irgzr.step / ads41b29irgzr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (60 pp, sha256 15091f6f2adf57af, retrieved 2026-10-11, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-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).

Datasheet PDF