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README

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AD7923BRUZ-REEL7

Analog Devices · Analog To Digital Converters (ADC) · TSSOP-16

AD7923BRUZ-REEL7 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 SCLK input Serial clock logic input that provides the serial clock for accessing data and is also the master clock for the conversion process.
2 DIN input Data in logic input; data written to the control register is clocked in on the falling edge of SCLK.
3 CS input Active-low logic chip select that initiates conversions and frames the serial data transfer, with the input sampled on its falling edge.
4 AGND power_in Analog ground reference for all analog circuitry; all AGND pins should be connected together and analog inputs and external reference are referred to this pin.
5 AVDD power_in Analog power supply input with a range of 2.7 V to 5.25 V, which must be 4.75 V to 5.25 V for the 0 V to 2 × REFIN input range.
6 AVDD power_in Analog power supply input with a range of 2.7 V to 5.25 V, which must be 4.75 V to 5.25 V for the 0 V to 2 × REFIN input range.
7 REFIN input External reference input that must be applied at 2.5 V ±1% for specified performance.
8 AGND power_in Analog ground reference for all analog circuitry; all AGND pins should be connected together and analog inputs and external reference are referred to this pin.
9 VIN3 input Single-ended analog input channel 3 multiplexed into the track-and-hold, with range 0 V to REFIN or 0 V to 2 × REFIN; unused inputs must be connected to AGND.
10 VIN2 input Single-ended analog input channel 2 multiplexed into the track-and-hold, with range 0 V to REFIN or 0 V to 2 × REFIN; unused inputs must be connected to AGND.
11 VIN1 input Single-ended analog input channel 1 multiplexed into the track-and-hold, with range 0 V to REFIN or 0 V to 2 × REFIN; unused inputs must be connected to AGND.
12 VIN0 input Single-ended analog input channel 0 multiplexed into the track-and-hold, with range 0 V to REFIN or 0 V to 2 × REFIN; unused inputs must be connected to AGND.
13 AGND power_in Analog ground reference for all analog circuitry; all AGND pins should be connected together and analog inputs and external reference are referred to this pin.
14 DOUT output Logic data output that delivers the conversion result as a serial stream (two leading 0s, two channel address bits, then 12 data bits MSB first), clocked out on the SCLK falling edge.
15 VDRIVE power_in Logic power supply input that sets the voltage at which the serial interface operates, independent of AVDD.
16 AGND power_in Analog ground reference for all analog circuitry; all AGND pins should be connected together and analog inputs and external reference are referred to this pin.

Key specifications

Parameter Value
Manufacturer Analog Devices
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
SINAD (B version, 5 V, -40 to +85 C) SINAD 70 dB @ 5 V, -40°C to +85°C 3
SINAD (B version, 5 V, 85 to 125 C) SINAD 69 70 dB @ 5 V, 85°C to 125°C 3
SINAD (B version, 3 V) SINAD 69 70 dB @ 3 V, -40°C to +125°C 3
Signal-to-Noise (SNR) SNR 70 dB 3
Total Harmonic Distortion (5 V) THD -84 -77 dB @ 5 V 3
Total Harmonic Distortion (3 V) THD -77 -73 dB @ 3 V 3
Peak Harmonic or Spurious Noise (5 V) SFDR -86 -78 dB @ 5 V 3
Peak Harmonic or Spurious Noise (3 V) SFDR -80 -76 dB @ 3 V 3
Integral Nonlinearity INL -1 1 LSB 3
Differential Nonlinearity DNL -0.9 1.5 LSB Guaranteed no missed codes to 12 bits 3
Offset Error -8 0.5 8 LSB 0 V to REFIN input range; straight binary output coding 3
Gain Error -1.5 1.5 LSB 0 V to REFIN input range; straight binary output coding 3
Positive Gain Error -1.5 1.5 LSB 0 V to 2 × REFIN input range; twos complement output coding 3
Zero-Code Error -8 0.8 8 LSB 0 V to 2 × REFIN input range; twos complement output coding 3
Negative Gain Error -1 1 LSB 0 V to 2 × REFIN input range; twos complement output coding 3
DC Leakage Current (analog input) -1 1 µA 3
REFIN Input Voltage tolerance REFIN -1 1 % REFIN = 2.5 V, specified performance 3
DC Leakage Current (REFIN) -1 1 µA 3
Input High Voltage VINH 0.7 × VDRIVE V 3
Input Low Voltage VINL 0.3 × VDRIVE V 3
Input Current IIN -1 1 µA VIN = 0 V or VDRIVE 3
Output High Voltage (relative to VDRIVE) VOH -0.2 V (VDRIVE, 0.2 V) ISOURCE = 200 µA, AVDD = 2.7 V to 5.25 V 4
Output Low Voltage VOL 0.4 V ISINK = 200 µA 4
Floating-State Leakage Current -1 1 µA 4
Track-and-Hold Acquisition Time (16 SCLK cycles) 800 ns 16 SCLK cycles with SCLK at 20 MHz 4
Track-and-Hold Acquisition Time (sinewave input) 300 ns Sinewave input 4
Track-and-Hold Acquisition Time (full-scale step) 300 ns Full-scale step input 4
Throughput Rate 200 kSPS 4
AVDD supply range AVDD 2.7 5.25 V 4
VDRIVE supply range VDRIVE 2.7 5.25 V 4
IDD during conversion (5 V) IDD 2.7 mA AVDD = 4.75 V to 5.25 V, fSCLK = 20 MHz 4
IDD during conversion (3 V) IDD 2 mA AVDD = 2.7 V to 3.6 V, fSCLK = 20 MHz 4
Normal Mode (Operational) current (5 V) IDD 1.5 mA fSAMPLE = 200 kSPS, AVDD = 4.75 V to 5.25 V, fSCLK = 20 MHz 4
Normal Mode (Operational) current (3 V) IDD 1.2 mA fSAMPLE = 200 kSPS, AVDD = 2.7 V to 3.6 V, fSCLK = 20 MHz 4
Auto Shutdown (Static) current IDD 0.5 µA SCLK on or off 4
Full Shutdown Mode current IDD 0.5 µA SCLK on or off 4
AVDD to AGND AVDD -0.3 7 V Referenced to AGND 6
VDRIVE to AGND VDRIVE -0.3 V Upper limit AVDD + 0.3 V as printed 6
Analog Input Voltage to AGND VIN -0.3 V Upper limit AVDD + 0.3 V as printed 6
Digital Input Voltage to AGND -0.3 7 V 6
Digital Output Voltage to AGND -0.3 V Upper limit AVDD + 0.3 V as printed 6
REFIN to AGND REFIN -0.3 V Upper limit AVDD + 0.3 V as printed 6
Input Current to Any Pin Except Supplies -10 10 mA Transient currents up to 100 mA do not cause SCR latchup 6
Operating Temperature Range (Commercial, B Version) -40 125 °C B Version 6
Storage Temperature Range -65 150 °C 6
Junction Temperature 150 °C 6
TSSOP Package Power Dissipation 450 mW TSSOP package 6
θJA Thermal Impedance (TSSOP) θJA 150.4 °C/W TSSOP package; value printed without min/typ/max qualifier 6
θJC Thermal Impedance (TSSOP) θJC 27.6 °C/W TSSOP package; value printed without min/typ/max qualifier 6
ESD (human body model rating) 1.5 kV 6
SCLK frequency fSCLK 10 kHz AVDD = 3 V and 5 V 5
SCLK frequency fSCLK 20 MHz AVDD = 3 V and 5 V 5
Minimum quiet time between CS rising edge and next conversion tQUIET 50 ns AVDD = 3 V and 5 V 5
Delay from CS until DOUT three-state disabled t3 35 ns AVDD = 3 V 5
Delay from CS until DOUT three-state disabled t3 30 ns AVDD = 5 V 5
Data access time after SCLK falling edge t4 40 ns AVDD = 3 V 5
SCLK falling edge to DOUT high impedance t8 15 45 ns AVDD = 3 V 5
SCLK falling edge to DOUT high impedance t8 15 35 ns AVDD = 5 V 5
Power-Up time from full power-down/auto shutdown mode t12 1 µs 5

CAD (KiCad official)

  • Symbol: AD7923BRUZ-REEL7
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: ad7923bruz-reel7-etched.step / ad7923bruz-reel7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ad7923bruz-reel7.step / ad7923bruz-reel7.glb are the bare package body.

Provenance

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

  • Datasheet: Analog Devices datasheet (24 pp, sha256 8061a862635d9c55, retrieved 2026-10-18, 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