LMP93601 Texas instruments

LMP93601

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LMP93601

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Описание

The LMP93601 is an optimized Analog-Front-End (AFE) for occupancy detecting thermopile arrays up to 16 x 16 and thermopile mass flow sensors. The AFE combines excellent noise performance, low offset voltage, high gain, and low-power consumption at sampling rates ideal for monitoring thermopile sensors. The LMP93601 is a precision, 16-bit, analog-to-digital converter (ADC) offered in a leadless WQFN-24 package. The device features three differential EMI hardened inputs, a low-noise, high-gain programmable gain amplifier (PGA), a level shifting voltage source, an internal reference, and a programmable sampling rate. The many integrated features and the simple control of the LMP93601 through an SPI-compatible interface ease precision measurements of thermopile sensor signals.

High Gain, Programmable up to 4096
Low Gain Error Drift, <10 ppm/°C
Low Offset Voltage and Drift; 1 µV, 50 nV/°C
Low Input Bias Current, 1.3 nA
Low Input Offset Current, 120 pA
VCM Output Signal for Level Shifting, AVDD/3
Three Differential EMI Hardened Inputs
16-bit ΔΣ Analog-to-Digital Converter
Low Noise Performance, ENOB 15.3 bits
Four Output Data Rates, up to 1.3 kSPS
Internal Voltage Reference for ADC
SPI Interface Transfer Rate, 20 MHz
Brown-Out Detect
PGA Over-Range Detect
Separate Analog and Digital Supplies, 2.7 to 5.5 V
Low Current Consumption, 1.1 mA
Low Power Shutdown Mode, < 0.1µA
Operating Temp. –25 to 85 °C

Number of input channels	3
Features	3-Channel AFE for Thermopile Sensors
Operating temperature range (°C)	-25 to 85
Vs (min) (V)	2.7
Vs (max) (V)	5.5
Interface type	SPI
Resolution (Bits)	16
Rating	Catalog