ADUC7034

NOT RECOMMENDED FOR NEW DESIGNS

Integrated Precision Battery Sensor for Automotive

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Part Details

Dual channel, simultaneous sampling, 16-bit Σ-Δ ADC
Programming ADC throughput: 1 Hz to 8 kHz
On-chip 5 ppm/°C reference voltage source
Current channel
Fully differential, buffered input
Programmable gain: 1 to 512
ADC input range: −200 mV to +300 mV
Digital comparator with built-in current accumulator function
Voltage channel
Buffered, On-chip attenuator, suitable for 12V battery input
Temperature channel
External and on-chip temperature sensor solution
16-bit/32-bit RISC architecture ARM7TDMI^® core
20.48 MHz PLL with programmable divider
PLL input source
On-chip precision oscillator
On-chip low-power oscillator
External (32.768 kHz) clock crystal

JTAG port supports code download and debugging
32 kB Flash/EE memory, 4 kB SRAM
Flash/EE durability: 10,000 cycles, data retention time: 20 years
Online download via JTAG and LIN
Use hardware synchronization to be compatible with SAEJ2602/LIN 1.3/LIN 2.0 (slave) via UART
Flexible wake-up I/O pins, master/slave SPI® serial I/O
9-pin GPIO port, 3 general-purpose timers
Wake-up and watchdog timer
Power monitor, on-chip power-on reset
12V battery power supply directly
Power consumption
Normal mode: 10mA (10MHz)
Low power consumption monitoring mode
48 pins, 7 mm x 7 mm LFCSP package
Rated operating temperature range: −40°C to +115°C