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Número de pieza
componentes Descripción
LTC1609 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LTC1609
16-Bit, 200ksps, Serial ADC with Multiple Input Ranges
Linear Technology
LTC1609 Datasheet PDF : 24 Pages
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APPLICATIO S I FOR ATIO
INPUT RANGE
±
10V
WITHOUT TRIM
200
Ω
V
IN
100
Ω
33.2k
+
+
2.2
µ
F 2.2
µ
F
LTC1609
R1
IN
AGND1
R2
IN
R3
IN
CAP
REF
AGND2
LTC1609
WITH TRIM
(ADJUST OFFSET FIRST AT 0V, THEN ADJUST GAIN)
100
Ω
5V
OFFSET
TRIM
50k
200
Ω
V
IN
33.2k
+
2.2
µ
F
5V
GAIN
TRIM
50k
576k
+
2.2
µ
F
LTC1609
R1
IN
AGND1
R2
IN
R3
IN
CAP
REF
AGND2
±
5V
200
Ω
100
Ω
V
IN
33.2k
+
+
2.2
µ
F 2.2
µ
F
LTC1609
R1
IN
AGND1
R2
IN
R3
IN
CAP
REF
AGND2
200
Ω
33.2k
100
Ω
5V
V
IN
OFFSET
TRIM
50k
+
2.2
µ
F
5V
GAIN
TRIM
50k
576k
+
2.2
µ
F
LTC1609
R1
IN
AGND1
R2
IN
R3
IN
CAP
REF
AGND2
±
3.3V
200
Ω
V
IN
100
Ω
33.2k
+
+
2.2
µ
F 2.2
µ
F
LTC1609
R1
IN
AGND1
R2
IN
R3
IN
CAP
REF
AGND2
200
Ω
V
IN
100
Ω
5V
OFFSET
TRIM
50k
33.2k
+
2.2
µ
F
5V
GAIN
TRIM
50k
576k
+
2.2
µ
F
Figure 3b. Offset/Gain Circuits for Bipolar Input Ranges
LTC1609
R1
IN
AGND1
R2
IN
R3
IN
CAP
REF
AGND2
1609 F03b
Table 1b. Analog Input Range Connections for Figure 3b
ANALOG INPUT
RANGE
CONNECT R1
IN
VIA 200
Ω
TO
CONNECT R2
IN
VIA 100
Ω
TO
±
10V
V
IN
AGND
±
5V
AGND
V
IN
±
3.3V
V
IN
V
IN
CONNECT R3
IN
TO
CAP
CAP
CAP
INPUT
IMPEDANCE
22.9k
Ω
13.3k
Ω
10.7k
Ω
1609fa
11
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