AD4001

Data Sheet 16-Bit, 2 MSPS/1 MSPS, Precision, Differential SAR ADCs AD4001/AD4005 FEATURES Easy Drive Greatly reduced input kickback Input current reduced to 0.5 μA/MSPS Enhanced acquisition phase, ≥79% of cycle time at 1 MSPS First conversion accurate, no latency or pipeline delay Input span compression for single-supply operation Fast conversion allows low SPI clock rates Input overvoltage clamp protection sinks up to 50 mA SPI-/QSPI-/MICROWIRE-/DSP-compatible serial interface High performance Differential analog input range: ±VREF, VREF from 2.4 V to 5.1 V Throughput: 2 MSPS/1 MSPS options INL: ±0.4 LSB maximum Guaranteed 16-bit, no missing codes SNR: 96.2 dB at fIN = 1 kHz, VREF = 5 V THD: −123 dB at fIN = 1 kHz, −99 dB at fIN = 100 kHz SINAD: 88.5 dB at fIN = 1 MHz (see Figure 17) Oversampled dynamic range 99.3 dB for OSR = 2 126 dB for OSR = 1024 Low power Single 1.8 V supply operation with 1.71 V to 5.5 V logic interface 4.9 mW at 1 MSPS (VDD only) 80 μW at 10 kSPS, 16 mW at 2 MSPS (total power) 10-lead packages: 3 mm × 3 mm LFCSP, 3 mm × 4.90 mm MSOP Pin compatible with AD4003/AD4007/AD4011 family Guaranteed operation: −40°C to +125°C APPLICATIONS Automated test equipment Machine automation Medical equipment Battery-powered equipment Precision data acquisition systems Instrumentation and control systems VREF VREF/2 0 VREF VREF/2 0 FUNCTIONAL BLOCK DIAGRAM 2.4V TO 5.1V 10µF 1.8V REF VDD HIGH-Z MODE AD4001/ AD4005 IN+ 16-BIT SAR ADC IN– CLAMPCOMPSRPEASNSION...