LTC1052/LTC7652
U
TYPICAL APPLICATIO S
Offset Stabilized Comparator
5V
4
5V
+
14
13
330Ω 150Ω
2k
8
2
3
+
–
12
11
6
COMPARATOR
INPUTS
7
COMPARATOR
OUTPUT (± 5V)
LT1011
5
1
4
10k
– 5V
1µF
8
5
7
6
–
GROUND OR
INPUT COMMON-
MODE VOLTAGE
5V
7
LTC1043
1M
2
3
+
6
LTC1052
8
–
4
2
3
1
0.1µF
0.1µF
– 5V
STATUS OUTPUT
OV = ZERO
5V
15
16
18
5V = COMPARE
ZERO COMMAND
5V = ZERO
– 5V = COMPARE
17
–5V
LTC1052/7652 • TA05
1HZ to 1.25MHz Voltage-to-Frequency Converter (5V Supply)
470Ω
5V
0.01µF
470Ω
10k
3
2
7
+
6
3.3k
Q1
2N2907
NC
2N3904
LTC1052
8
–
4
1
5V
74C04
330pF
0.1µF
0.1µF
10k
OUTPUT
1H to 1.25MHz
0.01µF
10k
5V
2k
3.3pF
FULL-SCALE TRIM
(1.25MHz)
5V
30.1k*
V
IN
OV TO 5V
10k
4
8
7
0.22µF
11
12
LT1004-1.2V
100pF**
0.1µF
*TRW MTR–5/ +1200ppm/°C
**POLYSTYRENE–WESCO #32–P/ – 120ppm/°C
± 0.05%
>120dB
0.01Hz/°C
20ppm/°C
LINEARITY
14
13
16
DYNAMIC RANGE
ZERO POINT DRIFT
GAIN DRIFT
1/2
LTC1043
17
LTC1052/7652 • TA06
1052fa
13
Linear [ Linear ]
