Datasheet Analog Devices AD4112 — 数据表

Data Sheet Low Power, 24-Bit, Sigma-Delta ADC
with ±10 V and 0 mA to 20 mA Inputs
AD4112 FEATURES GENERAL DESCRIPTION 24-bit ADC with integrated analog front end
Up to 6.2 kSPS per channel (161 μs per channel)
16 noise free bits at 1 kSPS per channel
85 dB rejection of 50 Hz and 60 Hz at 20 SPS per channel
±10 V inputs, 4 differential or 8 single-ended
Overrange up to ±20 V
≥1 MΩ impedance
±0.06% accuracy at 25°C
0 mA to 20 mA inputs, 4 single-ended
Overrange from −0.5 mA to +24 mA
60 Ω impedance
±0.08% accuracy at 25°C
On-chip 2.5 V reference
±0.12% accuracy at 25°C, ±5 ppm/°C (typical) drift
Internal or external clock
Power supplies
AVDD = 3.0 V to 5.5 V
IOVDD = 2 V to 5.5 V
Total IDD = 3.9 mA
Temperature range: −40°C to +105°C
3-wire or 4-wire serial digital interface (Schmitt trigger on SCLK) …