Linear Technology LTC1850
1.25Msps Sampling ADCs
FEATURES
Flexible 8-Channel Multiplexer s Single-Ended or Differential Inputs s Two Gain Ranges Plus Unipolar and Bipolar Operation s 1.25Msps Sampling Rate s Single 5V Supply and 40mW Power Dissipation s Scan Mode and Programmable Sequencer s Pin Compatible 10-Bit LTC1850 and 12-Bit LTC1851 s True Differential Inputs Reject Common Mode Noise s Internal 2.5V Reference s Parallel Output Includes MUX Address s Easy Interface to 3V Logic s Nap and Sleep Shutdown Modes s U APPLICATIO S s s s s s s High Speed Data Acquisition Test and Measurement Imaging Systems Telecommunications Industrial Process Control Spectrum Analysis BLOCK DIAGRA CH0 CH1 CH2 CH3 CH4 CH5 CH6 CH7 COM 2.5V REFERENCE 8-CHANNEL MULTIPLEXER LTC1851 CONTROL LOGIC AND PROGRAMMABLE SEQUENCER INTERNAL CLOCK OVDD BUSY DIFFOUT/S6 A2OUT/S5 A1OUT/S4 A0OUT/S3 D11/S2 D10/S1 D9/S0 D8 D7 D6 D5 D4 D3 D2 D1 D0 OGND 1851 BD INL COC ERROR (LSBs) M1 SHDN CS CONVST RD WR DIFF A2 A1 A0 UNI/BIP PGA M0 REFOUT 12-BIT 1.25Msps ADC DATA LATCHES...