LTC1052/LTC7652
TYPICAL PERFOR A CE CHARACTERISTICS
Broadband Noise, C
EXT
= 0.1µF
Broadband Noise, C
EXT
= 1.0µF
Broadband Noise Test Circuit (TC2)
R2
1M
INPUT REFERRED NOISE
(5µV/DIV)
INPUT REFERRED NOISE
(5µV/DIV)
A
V
= – 1000
1ms/DIV
Supply Current vs Supply Voltage
2.5
SUPPLY VOLTAGE =
±
5V
SUPPLY CURRENT, I
S
(mA)
SUPPLY CURRENT, I
S
(mA)
SHORT-CIRCUIT OUTPUT CURRENT, I
OUT (mA)
2.0
1.5
1.0
0.5
0
8
10
12
14
16
4 5 6
TOTAL SUPPLY VOLTAGE, V
+
TO V
–
(V)
LTC1052/LTC7652 • TPC08
Sampling Frequency vs Voltage
600
T
A
= 25°C
SAMPLING FREQUENCY, f
S
(Hz)
SAMPLING FREQUENCY, f
S
(Hz)
500
400
300
200
100
0
500
600
14
16
8
10
12
4 5 6
TOTAL SUPPLY VOLTAGE, V
+
TO V
–
(V)
LTC1052/LTC7652 • TPC11
U W
R1
1k
R3
1k
2
–
+
1
5V
7
6
8
4
C
EXTB
3
LTC1052
C
EXTA
A
V
= –1000
1ms/DIV
– 5V
LTC1052/7652 • TPC07
Supply Current vs Temperature
3.0
8
6
4
2
0
– 10
– 20
– 30
Output Short-Circuit Current vs
Supply Voltage
I
SOURCE
V
OUT
= V
–
2.0
1.0
I
SINK
V
OUT
= V
+
12
16
4 5 6
10
14
8
+
TO V
–
(V)
TOTAL SUPPLY VOLTAGE, V
LTC1052/LTC7652 • TPC10
0
50
100
–50 –25
25
75
0
AMBIENT TEMPERATURE, T
A
(°C)
125
LTC1052/LTC7652 • TPC09
Sampling Frequency vs
Temperature
SUPPLY VOLTAGE =
±
5V
Comparator Operation
V
REF
*
400
1k
2
–
+
1
5
5V
7
6
8
4
0.1µF
1k
300
200
100
0
50
100
– 50 – 25
25
75
0
AMBIENT TEMPERATURE, T
A
(°C)
LTC1052
3
V
IN
0.1µF
* – 5V
≤
V
REF
≤
2.7 V
– 5V
LTC1052/7652 • TPC13
125
LT1052/LTC7652 • TPC12
1052fa
5
LINER [ LINEAR TECHNOLOGY ]
