ADUC844

PRELIMINARY TECHNICAL DATA a MicroConverter, Dual 16-Bit/24-Bit ADCs with Embedded 62kB FLASH MCU Preliminary Technical Data FEATURES High Resolution Sigma-Delta ADCs Two Independent ADCs (24-Bit and 16-Bit Resolution) 24-Bit No Missing Codes, Primary ADC 21-Bit rms (18.5 Bit p-p) Effective Resolution @ 20 Hz Offset Drift 10 nV/°C, Gain Drift 0.5 ppm/°C Memory 62 Kbytes On-Chip Flash/EE Program Memory 4 Kbytes On-Chip Flash/EE Data Memory Flash/EE, 100 Year Retention, 100 Kcycles Endurance 3 Levels of Flash/EE Program Memory Security In-Circuit Serial Download (No External Hardware) High Speed User Download (5 Seconds) 2304 Bytes On-Chip Data RAM 8051-Based Core 8051 Compatible Instruction Set High Performance Single Cycle Core 32 kHz External Crystal On-Chip Programmable PLL (12.58 MHz Max) 3 × 16-Bit Timer/Counter 26 Programmable I/O Lines 11 Interrupt Sources, Two Priority Levels Dual Data Pointer, Extended 11-Bit Stack Pointer On-Chip Peripherals Internal Power on Reset Circuit 12-Bit Voltage Output DAC Dual 16-Bit S-D DACs/PWMs On-Chip Temperature Sensor Dual Excitation Current Sources Time Interval Counter (Wakeup/RTC Timer) UART, SPI®, and I2C® Serial I/O High Speed Baud Rate Generator (incl 115,200) Watchdog Timer (WDT) Power Supply Monitor (PSM) Power Normal: 2.3mA Max @ 3.6 V (Core CLK = 1.57 MHz) Power-Down: 20µA Max with Wakeup Timer Running Specified for 3 V and 5 V Operation Package and Temperature Range 52-Lead MQFP (14 mm × 14 mm), –40°C to +125°C 56-Lead C...