ADUC845BS62-5

微转换器多通道24位/ 16位ADC，内置62 KB的闪存和单周期MCU MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU

* High resolution Σ-Δ ADCs * 2 independent 24-bit ADCs on the ADuC845 * Single 24-bit ADC on the ADuC847 and * single 16-bit ADC on the ADuC848 * Up to 10 ADC input channels on all parts * 24-bit no missing codes * 22-bit rms 19.5 bit p-p effective resolution * Offset drift 10 nV/°C, gain drift 0.5 ppm/°C chop enabled * Memory * 62-kbyte on-chip Flash/EE program memory * 4-kbyte on-chip Flash/EE data memory * Flash/EE, 100-year retention, 100 kcycle endurance * 3 levels of Flash/EE program memory security * In-circuit serial download no external hardware * High speed user download 5 sec * 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 * 24 programmable I/O lines, plus 8 analog or * digital input 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 Σ-Δ DACs * On-chip temperature sensor ADuC845 only * Dual excitation current sources 200 µA * Time interval counter wake-up/RTC timer * UART, SPI®, and I2C® serial I/O * High speed dedicated baud rate generator incl. 115,200 * Watchdog timer WDT * Power supply monitor PSM * Power * Normal: 4.8 mA max @ 3.6 V core CLK = 1.57 MHz * Power-down: 20 µA max with wake-up 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 LFCSP 8 mm × 8 mm,-40°C to +85°C