AD7678ACPZ Datasheet PDF - ADI

●Product Details

●The AD7678 is an 18-bit, 100 kSPS, charge redistribution SAR, fully differential analog-to-digital converter that operates on a single 5 V power supply. The part contains a high speed 18-bit sampling ADC, an internal conversion clock, an internal reference buffer, error correction circuits, and both serial and parallel system interface ports.

●The part is available in 48-lead LQFP or 48-lead LFCSP packages with operation specified from –40°C to +85°C.

●### Features and Benefits

● 18-bit resolution with no missing codes

● No pipeline delay (SAR architecture)

● Differential input range: ±VREF (VREF up to 5 V)

● Throughput: 100 kSPS

● INL: ±2.5 LSB max (±9.5 ppm of full scale)

● Dynamic range: 103 dB typ (VREF = 5 V)

● S/(N+D): 100 dB typ @ 2 kHz (VREF = 5 V)

● Parallel (18-,16-, or 8-bit bus) and serial 5 V/3 V interface

● SPI®/QSPI™/MICROWIRE™/DSP compatible

● On-board reference buffer

● Single 5 V supply operation

● Power dissipation: 18 mW @ 100 kSPS, 180 μW @ 1 kSPS

● 48-lead LQFP or 48-lead LFCSP package

● Pin-to-pin compatible upgrade of AD7674/AD7676/AD7679