LT1462 Linear Technology, LT1462 Datasheet - Page 8

• Manufacturer Part Number: LT1462
• Description: Dual/Quad Micropower/ 260uW C-Load Picoampere Bias Current JFET Input Op Amps
• Manufacturer: Linear Technology

LT1462/LT1463
8
TYPICAL APPLICATIONS
–5V
LT1004-1.2
V
IN
TYPICAL OFFSET 0.6mV
1% TOLERANCES
FOR V
THE LOW INPUT BIAS CURRENTS ALLOW THE USE OF HIGH RESISTOR VALUES
R1
f
1k
IN
= FREQUENCY IN
237k
0kHz TO 30kHz
IN
R1
= 10V
10Hz 4th Order Chebyshev Lowpass Filter (0.01dB Ripple)
U
V
REF
P-P
Micropower 0.026% Frequency-to-Voltage Converter
,V
C2
100nF
= –1.235V
V
249k
R3
OUT
OUT
C1
1 F
= –110dB AT f > 300Hz
= –6dB AT f = 16Hz
237k
R2
2
3
13
16
–
+
1/4 LT1463
33nF
C1
–15V
15V
1/4 LTC
4
11
12
®
1043
1
C
1000pF
S
330nF
154k
C4
R4
14
17
4
249k
R6
5V
–5V
13
12
2
3
154k
R5
–
+
1/4 LT1463
75k*
–
+
1/2 LT1462
10nF
*
C3
V
TRW#MTR-5/120ppm
–5V
1 F
C2
5V
OUT
GAIN TRIM
R2
8
4
= (R2)(C
10k
14
1
S
LT1462 • TA05
)( V
LT1462 • TA04
V
0V TO 3V
OUTPUT
REF
OUT
)(f
IN
)