PGA400-Q1 Datasheet, PDF (1/44 Pages) Texas Instruments – PRESSURE SENSOR SIGNAL CONDITIONER

PGA400-Q1
www.ti.com
SLDS186 – MARCH 2012
PRESSURE SENSOR SIGNAL CONDITIONER
Check for Samples: PGA400-Q1
1 DEVICE OVERVIEW
1.1 FEATURES
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• Analog Features
– Analog Front-End for
Resistive Bridge Sensors
– Self-Oscillating Demodulator for
Capacitive Sensors
– On-Chip Temperature Sensor
– Programmable Gain
– 16-Bit, 1MHz Sigma-Delta Analog-to-Digital
Converter for Signal Channel
– 10-Bit Sigma-Delta Analog-to-Digital
Converter for Temperature Channel
– Two 12–Bit DAC Outputs
• Digital Features
– Microcontroller Core
• 10 MHz 8051 WARP Core
– 2 Clocks Per Instruction Cycle
• On–Chip Oscillator
– Memory
• 8 KB of OTP Memory
• 89 Bytes of EEPROM
• 256 Bytes Data SRAM
• Peripheral Features
– Serial Peripheral Interface (SPI™)
– Inter-Integrated Circuit (I²C™)
– One-Wire Interface
– Two Input Capture Ports
– Two Output Compare Ports
– Software Watchdog Timer
– Oscillator Watchdog
– Power Management Control
– Analog Low-Voltage Detect
• General Features
– Automotive Temperature Range: –40°C to
125°C
– Power Supply: 4.5 V to 5.5 V Operational,
–5.5 V to 16 V Abs Max
– Qualified in accordance with AEC-Q100
– WCSP-36 package
1.2 APPLICATIONS
• Pressure Sensor Signal Conditioning
• Level Sensor Signal Conditioning
• Humidity Sensor Signal Conditioning
1.3 DEVICE OVERVIEW
The PGA400-Q1 is an interface device for piezoresistive, strain gauge and capacitive sense elements.
The device incorporates the analog front end that directly connects to the sense element and has voltage
regulators and oscillator. The device also includes sigma-delta analog-to-digital converter, 8051 WARP
core microprocessor and OTP memory. Sensor compensation algorithms can be implemented in software.
The PGA400-Q1 also includes 2 DAC outputs.
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Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date. Products conform to
specifications per the terms of the Texas Instruments standard warranty. Production
processing does not necessarily include testing of all parameters.
Copyright © 2012, Texas Instruments Incorporated