X93155_08 Datasheet, PDF (7/8 Pages) Intersil Corporation – Digitally Controlled Potentiometer(XDCP™)

X93155
Low Voltage High Impedance Instrumentation Amplifier
5V
10k
+
+
10k
U1A
-
50k
V_IN
X93155 (R_TOTAL)
50k
-
10k
10k
-
U1B
+
50k
-
U1C
+
V_OUT
GAIN =
50k
10k
( 1+
50k ₎
R_TOTAL
U1 = LT1467
50k
Micro-Power LCD Contrast Control
5V
240k
100k
5V
+
U1A
-
100k
50k
300k
100k
-
U1B
+
-15V
X93155 (R_TOTAL)
V_OUT = -4.41
( 1+
100k
)
50k + R_TOTAL
V_OUT = -8.82V TO -13.23V
U1 = LMC6042
Single Supply Variable Gain Amplifier
5V
20k
20k
V_IN
10k
5V
+
U1
-
X93155
(R_TOTAL)
V_OUT
GAIN =
R_TOTAL
10k
U1 = LMC6042
7
FN8181.2
February 19, 2008