lt1055s8-pbf Linear Technology Corporation, lt1055s8-pbf Datasheet - Page 14

• Manufacturer Part Number: lt1055s8-pbf
• Description: Lt1056 - Precision, High Speed, Jfet Input Operational Amplifiers
• Manufacturer: Linear Technology Corporation

LT1055/LT1056
SI PLIFIED
14
TYPICAL APPLICATIO S
W
–INPUT
+INPUT
NULL
1
2
3
SCHE ATIC
*CURRENTS AS SHOWN FOR LT1055. (X) = CURRENTS FOR LT1056.
J1
14k
J2
14k
W
U
Q1
J5
7k
9pF
12-BIT CURRENT OUTPUT D/A
CONVERTER (e.g., 6012,565
J6
C
SETTLING TIME TO 2mV
(0.8 LSB) = 1.5µs TO 2µs
8k
F
= 15pF TO 33pF
7k
12-Bit Voltage Output D/A Converter
OR DAC-80)
NULL
5
OR 4mA
J8
200Ω
0 TO 2
Q2
Q7
Q3
Q4
Q13
120µA*
(160)
2
C
3
F
–
+
LT1056
Q11
–15V
300Ω
15V
Q12
7
4
Q8
120µA*
(160)
0V TO 10V
7.5pF
LT1055/56 TA09
OUTPUT
6
J7
Q14
800µA*
(1000)
Q9
Q10
400µA*
(1100)
J3
J4
Q15
Q5
3k
20Ω
LT1055/56 SCHM
7
6 OUTPUT
Q16
V
50Ω
+
4 V
–
10556fc