LMP90077 - 具有真连续背景校准的多通道、低功耗 16 位传感器 AFE

LMP90077是TI德州仪器公司的一款温度&压力信号调节产品，LMP90077是具有真连续背景校准的多通道、低功耗 16 位传感器 AFE，本站介绍了LMP90077的封装应用图解、特点和优点、功能等，并给出了与LMP90077相关的TI元器件型号供参考。

LMP90077 - 具有真连续背景校准的多通道、低功耗 16 位传感器 AFE - 温度&压力信号调节 - 压力感应 - 德州仪器

产品特性

16-Bit Low-Power Sigma Delta ADC
True Continuous Background Calibration at All Gains
In-Place System Calibration Using Expected Value Programming
Low-Noise Programmable Gain (1x - 128x)
Continuous Background Open/Short and Out of Range Sensor Diagnostics
8 Output Data Rates (ODR) with Single-Cycle Settling
2 Matched Excitation Current Sources from 100 µA to 1000 µA (LMP90080/LMP90078)
4-DIFF / 7-SE Inputs (LMP90080/LMP90079)
2-DIFF / 4-SE Inputs (LMP90078/LMP90077)
7 General Purpose Input/Output Pins
Chopper-Stabilized Buffer for Low Offset
SPI 4/3-Wire with CRC Data Link Error Detection
50 Hz to 60 Hz Line Rejection at ODR ≤13.42 SPS
Independent Gain and ODR Selection per Channel
Supported by WEBENCH® Sensor AFE Designer
Automatic Channel Sequencer
Key Specifications
- ENOB/NFR: Up to 16/16 Bits
- Offset Error (typ): 8.4 nV
- Gain Error (typ): 7 ppm
- Total Noise: <10 µV-rms
- Integral Non-Linearity (INL Max): ±1 LSB
- Output Data Rates (ODR): 1.6775–214.65 SPS
- Analog Voltage, VA: 2.85 to 5.5 V
- Operating Temp Range: –40°C to 125°C
- Package: 28 Pin Exposed Pad

产品应用

Temperature and Pressure Transmitters
Strain Gauge Interface
Industrial Process Control

产品说明

The LLMP9007x and LMP90080 are highly integrated, multi-channel, low-power 16-bit Sensor AFEs. The devices feature a precision, 16-bit Sigma Delta Analog-to-Digital Converter (ADC) with a low-noise programmable gain amplifier and a fully differential high impedance analog input multiplexer. A true continuous background calibration feature allows calibration at all gains and output data rates without interrupting the signal path. The background calibration feature essentially eliminates gain and offset errors across temperature and time, providing measurement accuracy without sacrificing speed and power consumption.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LMP90077	HTSSOP (28)	9.70 mm × 4.40 mm
LMP90078
LMP90079
LMP90080

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