Precision ADC/DAC
MSC1200 MSC1201 MSC1202
SBAS317E − APRIL 2004 − REVISED MAY 2006
Precision AnalogĆtoĆDigital Converter (ADC) and Current...
Description
MSC1200 MSC1201 MSC1202
SBAS317E − APRIL 2004 − REVISED MAY 2006
Precision AnalogĆtoĆDigital Converter (ADC) and CurrentĆOutput DigitalĆtoĆAnalog Converter (DAC)
with 8051 Microcontroller and Flash Memory
FEATURES
ANALOG FEATURES
D MSC1200 and MSC1201:
− 24 Bits No Missing Codes
− 22 Bits Effective Resolution At 10Hz
− Low Noise: 75nV
D MSC1202:
− 16 Bits No Missing Codes
− 16 Bits Effective Resolution At 200Hz − Noise: 600nV
D PGA From 1 to 128 D Precision On-Chip Voltage Reference D 8 Diff/Single-Ended Channels (MSC1200) D 6 Diff/Single-Ended Channels (MSC1201/02) D On-Chip Offset/Gain Calibration D Offset Drift: 0.1ppm/°C D Gain Drift: 0.5ppm/°C D On-Chip Temperature Sensor D Selectable Buffer Input D Signal-Source Open-Circuit Detect D 8-Bit Current DAC
DIGITAL FEATURES
Microcontroller Core
D 8051-Compatible D High-Speed Core:
− 4 Clocks per Instruction Cycle
D DC to 33MHz D On-Chip Oscillator D PLL with 32kHz Capability D Single Instruction 121ns D Dual Data Pointer
Memory
D 4kB or 8kB of Flash Memory D Flash Memory Partitioning D Endurance 1M Erase/Write Cycles,
100-Year Data Retention
D 256 Bytes Data SRAM D In-System Serially Programmable D Flash Memory Security D 1kB Boot ROM
Peripheral Features
D 16 Digital I/O Pins D Additional 32-Bit Accumulator D Two 16-Bit Timer/Counters D System Timers D Programmable Watchdog Timer D Full-Duplex USART D Basic SPI D Basic I2C D Power Management Control D Internal Clock Divider D Idle Mode Current < 200mA D Stop Mode Current ...
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