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PGA400-Q1 Datasheet(PDF) 1 Page - Texas Instruments |
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PGA400-Q1 Datasheet(HTML) 1 Page - Texas Instruments |
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1 / 119 page  Product Folder Sample & Buy Technical Documents Tools & Software Support & Community An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. PGA400-Q1 SLDS186A – MARCH 2012 – REVISED JULY 2016 PGA400-Q1 Pressure-Sensor Signal Conditioner 1 1 Features 1 • Analog Features – Analog Front-End for Resistive Bridge Sensors – Self-Oscillating Demodulator for Capacitive Sensors – On-Chip Temperature Sensor – Programmable Gain – 16-Bit, 1-MHz Sigma-Delta Analog-to-Digital Converter for Signal Channel – 10-Bit Sigma-Delta Analog-to-Digital Converter for Temperature Channel – Two 12-Bit Digital-to-Analog Outputs • Digital Features – Microcontroller Core – 10-MHz 8051 WARP Core – 2 Clocks Per Instruction Cycle – On-Chip Oscillator – Memory – 8KB of OTP Memory – 89 Bytes of EEPROM – 256 Bytes Data SRAM • Peripheral Features – Serial Peripheral Interface (SPI) – Inter-Integrated Circuit (I2C) – One-Wire Interface (OWI) – Two Input Capture Ports – Two Output Compare Ports – Software Watchdog Timer – Oscillator Watchdog – Power Management Control – Analog Low-Voltage Detect • General Features – AEC-Q100 Qualified With the Following Results: – Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature – Device HBM ESD Classification Level 2 – Device HBM ESD Classification Level C3B – Power Supply: 4.5-V to 5.5-V Operational, –5.5-V to 16-V Absolute Maximum 2 Applications • Pressure Sensor-Signal Conditioning • Level Sensor-Signal Conditioning • Humidity Sensor-Signal Conditioning 3 Description The PGA400-Q1 device is an interface device for piezoresistive, strain gauge, and capacitive-sense elements. The device incorporates the analog front end (AFE) that directly connects to the sense element and has voltage regulators and an oscillator. The device also includes a sigma-delta analog-to-digital converter (ADC), 8051 WARP core microprocessor, and OTP memory. Sensor compensation algorithms can be implemented in software. The PGA400-Q1 device also includes two digital-to-analog converter (DAC) outputs. Table 1. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) PGA400QRHHRQ1 VQFN (36) 6.00 mm × 6.00 mm PGA400QYZRQ1 WCSP (36) 3.65 mm × 3.65 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Figure 1. Simplified Schematic |
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