參數(shù)資料
型號(hào): OP27AP
廠商: Texas Instruments, Inc.
英文描述: LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS
中文描述: 低噪聲,高精密高速運(yùn)算放大器
文件頁(yè)數(shù): 13/21頁(yè)
文件大?。?/td> 322K
代理商: OP27AP
OP27A, OP27C, OP27E, OP27G
OP37A, OP37C, OP37E, OP37G
LOW-NOISE HIGH-SPEED PRECISION OPERATIONAL AMPLIFIERS
SLOS100B – FEBRUARY 1989 – REVISED AUGUST 1994
2–13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
TYPICAL CHARACTERISTICS
OP27
PHASE MARGIN AND
GAIN-BANDWIDTH PRODUCT
vs
FREE-AIR TEMPERATURE
G
TA – Free-Air Temperature –
°
C
– 75
– 50
– 25
0
50
75
100
125
25
VCC
±
=
±
15 V
GBW (f = 100 kHz)
75
°
65
°
°
45
°
35
°
8.6
8.2
7.8
7.4
7
Φ
φ
80
°
75
°
70
°
65
°
60
°
55
°
50
°
45
°
40
°
35
°
30
°
– 50
– 25
0
25
50
75
100
125
TA – Free-Air Temperature –
°
C
OP37
PHASE MARGIN AND
GAIN-BANDWIDTH PRODUCT
vs
FREE-AIR TEMPERATURE
GBW (f = 10 kHz)
85
80
75
70
65
60
55
50
45
40
φ
m
áá
áá
Φ
φ
áá
áá
φ
m
VCC
±
=
±
15 V
G
80
°
70
°
60
°
°
40
°
85
°
10.6
10.2
9.8
9.4
9
11
Figure 20
Figure 21
n
EQUIVALENT INPUT NOISE VOLTAGE
vs
BANDWIDTH
VCC
±
=
±
15 V
RS = 20
TA = 25
°
C
n
T
H
μ
V
10
1
0.1
0.01
0.1
1
Bandwidth – kHz
(0.1 Hz to frequency indicated)
10
100
TOTAL EQUIVALENT INPUT NOISE VOLTAGE
vs
SOURCE RESISTANCE
10 k
1 k
100
100
10
1
RS – Source Resistance –
+
RS = R1 + R2
R1
R2
f = 1 kHz
Resistor Noise Only
f = 10 Hz
VCC
±
=
±
15 V
BW = 1 Hz
TA = 25
°
C
Figure 22
Figure 23
Data for temperatures below – 25
°
C and above 85
°
C are applicable to the OP27A, OP27C, OP37A, and OP37C only.
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