Datasheet

LTC1052/LTC7652
5
1052fa
Broadband Noise, C
EXT
= 0.1µF
Supply Current vs Supply Voltage
INPUT REFERRED NOISE
(5µV/DIV)
A
V
= –1000 1ms/DIV
INPUT REFERRED NOISE
(5µV/DIV)
A
V
= –1000 1ms/DIV
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Broadband Noise, C
EXT
= 1.0µF Broadband Noise Test Circuit (TC2)
C
EXTB
C
EXTA
R1
1k
R2
1M
3
2
7
6
8
4
1
–5V
R3
1k
5V
+
–
LTC1052
LTC1052/7652 • TPC07
Output Short-Circuit Current vs
Supply VoltageSupply Current vs Temperature
TOTAL SUPPLY VOLTAGE, V
+
TO V
–
(V)
4
0
SUPPLY CURRENT, I
S
(mA)
0.5
1.0
1.5
2.0
2.5
6581012
LTC1052/LTC7652 • TPC08
14 16
AMBIENT TEMPERATURE, T
A
(°C)
–50
SUPPLY CURRENT, I
S
(mA)
2.0
3.0
25 75
1.0
–25 0
50 100 125
0
SUPPLY VOLTAGE = ± 5V
LTC1052/LTC7652 • TPC09
Sampling Frequency vs Voltage Comparator Operation
Sampling Frequency vs
Temperature
TOTAL SUPPLY VOLTAGE, V
+
TO V
–
(V)
4
0
SAMPLING FREQUENCY, f
S
(Hz)
100
200
300
400
600
681012
LTC1052/LTC7652 • TPC11
14 16
500
T
A
= 25°C
5
AMBIENT TEMPERATURE, T
A
(°C)
–50
SAMPLING FREQUENCY, f
S
(Hz)
400
500
600
25 75
LT1052/LTC7652 • TPC12
300
200
–25 0
50 100 125
100
0
SUPPLY VOLTAGE = ± 5V
0.1µF
0.1µF
1k
V
REF
*
3
2
7
6
8
4
1
–5V
1k
5V
+
–
LTC1052
LTC1052/7652 • TPC13
V
IN
* – 5V ≤ V
REF
≤ 2.7V
5
TOTAL SUPPLY VOLTAGE, V
+
TO V
–
(V)
4
8
6
4
2
0
–10
–20
–30
10 14
LTC1052/LTC7652 • TPC10
68
12 16
SHORT-CIRCUIT OUTPUT CURRENT, I
OUT (mA)
5
I
SINK
V
OUT
= V
+
I
SOURCE
V
OUT
= V
–