ADS8885
www.ti.com SBAS568A – MAY 2013 – REVISED DECEMBER 2013 18-Bit, 400-kSPS, Serial Interface, microPower, Miniature,
True-Differential Input, SAR Analog-to-Digital Converter
Check for Samples: ADS8885 FEATURES APPLICATIONS Sample Rate: 400 kHz No Latency Output Unipolar, True-Differential Input Range:
–VREF to +VREF Wide Common-Mode Voltage Range:
0 V to VREF with 90-dB CMRR (min) SPIв„ў-Compatible Serial Interface with
Daisy-Chain Option Excellent AC and DC Performance:
– SNR: 100 dB, THD: –115 dB
– INL: ±1.5 LSB (typ), ±3.0 LSB (max)
– DNL: +1.5 and –1 LSB (max), 18-Bit NMC Wide Operating Range:
– AVDD: 2.7 V to 3.6 V
– DVDD: 1.65 V to 3.6 V
(Independent of AVDD)
– REF: 2.5 V to 5 V (Independent of AVDD)
– Operating Temperature: –40°C to +85°C Low-Power Dissipation:
– 2.6 mW at 400 kSPS
– 0.65 mW at 100 kSPS
– 65 µW at 10 kSPS Power-Down Current (AVDD): 50 nA Full-Scale Step Settling to 18 Bits: 1200 ns Packages: MSOP-10 and SON-10 1 234 Traditional Input Range
ADS8885 Input Range VDIFF Automatic Test Equipment (ATE)
Instrumentation and Process Controls
Precision Medical Equipment
Low-Power, Battery-Operated Instruments DESCRIPTION
The ADS8885 is an 18-bit, 400-kSPS, true-differential …
