Datasheet LTC1609 (Analog Devices) - 10

LTC1609
U U W U APPLICATIO S I FOR ATIO WITH TRIM INPUT RANGE WITHOUT TRIM (ADJUST OFFSET FIRST AT 0V, THEN ADJUST GAIN)
LTC1609 LTC1609 R1 R1 IN IN 200Ω 200Ω AGND1 AGND1 100Ω 100Ω VIN R2 33.2k VIN R2 IN IN 5V
0V TO 10V
R3 OFFSET IN 50k R3 33.2k IN TRIM + 2.2µF CAP CAP 5V 576k GAIN + + REF 50k TRIM + REF 2.2µF 2.2µF 2.2µF AGND2 AGND2 LTC1609 LTC1609 R1 R1 IN IN 200Ω 200Ω AGND1 AGND1 100Ω 100Ω R2 5V 33.2k R2 IN IN OFFSET
0V TO 5V
50k R3IN TRIM V R3 33.2k VIN IN IN CAP CAP 5V + 576k GAIN + + REF 2.2µF 50k TRIM + REF 2.2µF 2.2µF 2.2µF AGND2 AGND2 LTC1609 LTC1609 200Ω 200Ω VIN R1 V R1 IN IN IN AGND1 AGND1 100Ω 100Ω R2 R2 IN IN
0V TO 4V
R3 R3 IN IN 33.2k 33.2k + CAP CAP 5V 5V 2.2µF 576k OFFSET GAIN + + REF 50k 50k REF TRIM TRIM + 2.2µF 2.2µF 2.2µF AGND2 AGND2 1609 F03a
Figure 3a. Offset/Gain Circuits for Unipolar Input Ranges Table 1a. Analog Input Range Connections for Figure 3a ANALOG INPUT CONNECT R1IN CONNECT R2IN CONNECT R3IN INPUT RANGE VIA 200
Ω
TO VIA 100
Ω
TO TO IMPEDANCE
0V to 10V AGND VIN AGND 13.3kΩ 0V to 5V AGND AGND VIN 10kΩ 0V to 4V VIN AGND VIN 10.7kΩ 1609fa 10