REV.
–9–
OP777/OP727/OP747
TIME – 1s/DIV
V
SY
= 15V
GAIN = 10M
VOLTAGE – 1V/DIV
TPC 37. 0.1 Hz to 10 Hz Input
Voltage Noise
V
SY
= 15V
VOLTAGE NOISE DENSITY – nV/ Hz
FREQUENCY – Hz
0
0
2.5k500 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
50
60 40
140
20
0 20 40 60 80 100 120
40
30
10
40
20
V
SY
= 15V
20
10
0
30
I
SC
I
SC+
TPC 43. Short Circuit Current vs.
Temperature
VOLTAGE NOISE DENSITY – nV/ Hz
FREQUENCY – Hz
10
0
500100 200 300 400
20
30
40
50
60
70
80
90
V
SY
= 15V
TPC 38. Voltage Noise Density
V
SY
= 2.5V
VOLTAGE NOISE DENSITY – nV/ Hz
FREQUENCY – Hz
0
0
2.5k500 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
V
SY
= 5V
I
L
= 1mA
TPC 44. Output Voltage High vs.
Temperature
V
SY
= 2.5V
VOLTAGE NOISE DENSITY – nV/ Hz
FREQUENCY – Hz
10
0
500100 200 300 400
20
30
40
50
60
70
80
90
TPC 39. Voltage Noise Density
TEMPERATURE – C
SHORT CIRCUIT CURRENT – mA
50
50
60 40
140
20
0 20 40 60 80 100 120
40
30
10
40
20
V
SY
= 5V
20
10
0
30
I
SC
I
SC+
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
V
SY
= 5V
I
L
= 1mA
TPC 45. Output Voltage Low vs.
Temperature
D
