
REV.
–9–
OP777/OP727/OP747
TIME – 1s/DIV
VSY = 15V
GAIN = 10M
VOLTAGE
–
1V/DIV
TPC 37. 0.1 Hz to 10 Hz Input
Voltage Noise
VSY = 15V
VOLTAGE
NOISE
DENSITY
–
nV/
Hz
FREQUENCY – Hz
0
2.5k
500
1k
1.5k
2.0k
5
10
15
20
25
30
35
40
TPC 40. Voltage Noise Density
TEMPERATURE – C
SHORT
CIRCUIT
CURRENT
–
mA
50
60
40
140
20 0
20
40
60
80 100 120
40
30
10
40
20
VSY = 15V
20
10
0
30
ISC
ISC+
TPC 43. Short Circuit Current vs.
Temperature
VOLTAGE
NOISE
DENSITY
–
nV/
Hz
FREQUENCY – Hz
10
0
500
100
200
300
400
20
30
40
50
60
70
80
90
VSY = 15V
TPC 38. Voltage Noise Density
VSY = 2.5V
VOLTAGE
NOISE
DENSITY
–
nV/
Hz
FREQUENCY – Hz
0
2.5k
500
1k
1.5k
2.0k
5
10
15
20
25
30
35
40
TPC 41. Voltage Noise Density
TEMPERATURE – C
OUTPUT
VOLTAGE
HIGH
–
V
4.95
4.92
4.89
60
40
140
20
0
20 40
60
80 100 120
4.94
4.93
4.91
4.90
VSY = 5V
IL = 1mA
TPC 44. Output Voltage High vs.
Temperature
VSY = 2.5V
VOLTAGE
NOISE
DENSITY
–
nV/
Hz
FREQUENCY – Hz
10
0
500
100
200
300
400
20
30
40
50
60
70
80
90
TPC 39. Voltage Noise Density
TEMPERATURE – C
SHORT
CIRCUIT
CURRENT
–
mA
50
60
40
140
20 0
20
40
60
80 100 120
40
30
10
40
20
VSY = 5V
20
10
0
30
ISC
ISC+
TPC 42. Short Circuit Current vs.
Temperature
TEMPERATURE – C
OUTPUT
VOLTAGE
LOW
–
mV
70
60
40
140
20
0
20 40
60
80 100 120
80
90
100
110
120
130
140
150
160
VSY = 5V
IL = 1mA
TPC 45. Output Voltage Low vs.
Temperature
D