Datasheet Analog Devices LTC2446IUHF#PBF — 数据表

LTC2446/LTC2447
24-Bit High Speed
8-Channel ∆Σ ADCs with
Selectable Multiple Reference Inputs
DESCRIPTION FEATURES Five Selectable Differential Reference Inputs
nn Four Differential/Eight Single-Ended Inputs
nn 4-Way MUX for Multiple Ratiometric
Measurements
nn Up to 8kHz Output Rate (External f )
O
nn Up to 4kHz Multiplexing Rate (External f )
O
nn Selectable Speed/Resolution: 2µVRMS Noise at 1.76kHz Output Rate 200nVRMS Noise at 13.8Hz Output Rate with Simultaneous 50/60Hz Rejection
nn Guaranteed Modulator Stability and Lock-Up
Immunity for any Input and Reference Conditions
nn 0.0005% INL, No Missing Codes
nn Autosleep Enables 20µA Operation at 6.9Hz
nn 0, this bit is HIGH. If VIN is 120dB -120
-140 -110
-120 2000000
1000000
0
DIFFERENTIAL INPUT SIGNAL FREQUENCY (Hz) …