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The AD7193BCPZ is a low-noise complete analogue front-end for high-precision measurement applications. It integrates a low-noise, 24-bit sigma-delta analogue-to-digital converter (ADC). The on-chip low-noise gain stage means that small signals can be fed directly into the ADC. the AD7193BCPZ can be configured with four differential inputs or eight pseudo-differential inputs. An on-chip channel sequencer enables multiple channels simultaneously, and the AD7193BCPZ performs conversions on each enabled channel in sequence, simplifying communication with the device.

Product Details: 

Model: AD7193BCPZ 

Package: LFCSP-32 

Type: Analog-to-Digital Converter (ADC) 

Number of Bits: 24 

Number of Inputs: 4, 8 

Input Types: Differential, Pseudo Differential 

Data Interface: SPI, DSP 

Configuration: MUX-PGA-ADC

Number of A/D Converters: 1 

Architecture: Delta-Integral 

Reference Type: External 

Voltage - supplied, analogue: 3V ~ 5.25V 

Voltage - supplied, digital: 2.7V ~ 5.25V 

Characteristics: PGA 

Operating Temperature: -40°C ~ 105°C 

Package/Case: 32-WFQFN Unpadded, CSP 

Vendor Device Packaging: 32-LFCSP (5x5) 

Mounting Type: Surface Mount Mounting Type: Surface Mount

AD7193BCPZ Product Features: 

4 differential/8 pseudo-differential input channels 

RMS noise: 11 nV (4.7 Hz, G = 128) 

15.5-bit noiseless resolution (2.4 kHz, G = 128) 

Up to 22-bit noiseless resolution (G = 1) 

Offset drift: ±5 nV/°C 

Gain drift: ±1 ppm/°C 

Rated time-drift characteristics 

Auto Channel Sequencer 

Programmable gain (1 to 128) 

Output data rate: 4.7 Hz to 4.8 kHz 

Internal or external clock 

50 Hz/60 Hz simultaneous rejection 

4 general-purpose digital outputs 

Power supply 

AVDD: 3 V to 5.25 V 

DVDD: 2.7 V to 5.25 V 

Current: 4.65 mA 

Temperature range: -40°C to +105°C 

28-pin TSSOP and 32-pin pin LFCSP packages 

Interface 

Three-wire serial interface 

SPI, QSPI™, MICROWIRE™, and DSP compatible 

Schmitt triggering within SCLK pin

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