Datasheet

14
LT1055/LT1056
10556fc
1
3
2
NULL
5
7
6 OUTPUT
NULL
–INPUT
+INPUT
7k 7k
J6
J7
J4
J3
J8
J5
J1 J2
Q7
Q3
Q4
Q8
Q9
Q2
Q1
Q14
Q12
Q11
Q10
Q13
Q15
Q16
400µA*
(1100)
Q5
7.5pF
300Ω
50Ω
3k
V
+
4
V
–
20Ω
200Ω
800µA*
(1000)
120µA*
(160)
120µA*
(160)
8k
14k14k
9pF
*CURRENTS AS SHOWN FOR LT1055. (X) = CURRENTS FOR LT1056.
LT1055/56 SCHM
SCHE ATIC
WW
SI PLIFIED
TYPICAL APPLICATIO S
U
–
+
15V
–15V
7
4
3
2
6
LT1056
OUTPUT
0V TO 10V
C
F
= 15pF TO 33pF
SETTLING TIME TO 2mV
(0.8 LSB) = 1.5µs TO 2µs
0 TO 2
OR 4mA
12-BIT CURRENT OUTPUT D/A
CONVERTER (e.g., 6012,565
OR DAC-80)
C
F
LT1055/56 TA09
12-Bit Voltage Output D/A Converter