參數(shù)資料
型號： OPA644
廠商： Texas Instruments, Inc.
英文描述： Low Distortion Current Feedback Operational Amplifier(低失真電流反饋運算放大器)
中文描述： 低失真電流反饋運算放大器（低失真電流反饋運算放大器）
文件頁數(shù)： 2/13頁
文件大?。?/td> 143K
代理商： OPA644
OPA644
2
SPECIFICATIONS
ELECTRICAL
At T
A
= +25
°
C, V
S
=
±
5V, R
L
= 100
, C
L
= 2pF, R
FB
= 402
and all four power supply pins are used, unless otherwise noted.
OPA644U
OPA644UB
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
OFFSET VOLTAGE
Input Offset Voltage
Average Drift
Power Supply Rejection
INPUT BIAS CURRENT
(1)
Non-Inverting
Over Specified Temperature
Inverting
Over Specified Temperature
NOISE
Input Voltage Noise Density
f = 100Hz
f = 1kHz
f = 10kHz
f = 1MHz
f
= 100Hz to 200MHz
Inverting Input Bias Current
Noise Density: f = 10MHz
Non-Inverting Input Current
Noise Density: f = 10MHz
INPUT VOLTAGE RANGE
Common-Mode Input Range
Over Specified Temperature
Common-Mode Rejection
INPUT IMPEDANCE
Non-Inverting
Inverting
Open-Loop Transimpedance
FREQUENCY RESPONSE
Closed-Loop Bandwidth
±
2.5
20
65
±
6
±
2
10
75
±
3
mV
μ
V/
°
C
dB
V
S
=
±
4.5 to
±
5.5V
40
60
±
20
±
24
±
2
±
4
±
40
±
90
±
25
±
35
±
15
±
20
6
±
3
±
20
±
50
±
10
±
25
μ
A
μ
A
μ
A
μ
A
10.3
2.9
1.9
1.9
33.6
6
6
6
6
6
nV/
√
Hz
nV/
√
Hz
nV/
√
Hz
nV/
√
Hz
μ
Vrms
15
6
pA/
√
Hz
15
6
pA/
√
Hz
±
2.0
±
1.8
35
±
2.25
±
2.1
55
6
6
45
6
6
65
V
V
dB
V
CM
=
±
2V
500 || 1.0
20
2.0
6
46
6
k
|| pF
M
V
O
=
±
2V, R
L
= 1k
1.4
6
G = +1V/V
G = +2V/V
G = +5V/V
G = +10V/V
G = +20V/V
G = +2, 2V Step
G = +2, 2V Step
G = +2, 2V Step
G = +2, 2V Step
500
300
180
125
80
2500
21
16.5
5.5
60
84
6
6
6
6
6
6
6
6
6
6
86
MHz
MHz
MHz
MHz
MHz
V/
μ
s
ns
ns
ns
ns
dBc
Slew Rate
(1)
Settling Time: 0.01%
0.1%
1%
Overload Recovery Time
(2)
Spurious Free Dynamic Range
G = –1, f = 5.0MHz
V
= 2Vp-p
G = –1, f = 20MHz
G = +2V/V,
V
O
= 0V to 1.4V
R
L
= 150
G = +2V/V,
V
= 0V to 1.4V
R
= 150
G = +1
dBc
%
Differential Gain Error at 3.58MHz
0.008
6
Differential Phase Error at 3.58MHz
0.009
6
Degrees
Gain Flatness to 1dB
OUTPUT
Current Output
Over Specified Temperature
Voltage Output
Over Specified Temperature
Voltage Output
Over Specified Temperature
Short Circuit Current
Output Resistance
POWER SUPPLY
Specified Operating Voltage
Operating Voltage Range
Quiescent Current
TEMPERATURE RANGE
Specification: U
Thermal Resistance,
θ
JA
U, UB
8-Pin SO-8
250
6
MHz
±
40
±
30
±
60
±
45
±
50
±
40
±
66
±
50
mA
mA
No Load
±
3.0
±
3.5
6
6
V
R
L
= 100
±
2.75
±
3.25
75
0.2
6
6
V
6
6
mA
1MHz, G = +2V/V
T
MIN
to T
MAX
T
MIN
to T
MAX
T
MIN
to T
MAX
±
5
6
V
V
±
4.5
±
5.5
±
26
6
6
6
±
18
6
mA
–40
+85
6
6
°
C
125
6
°
C/W
6
Specification same as OPA644U.
NOTES: (1) Slew rate is rate of change from 10% to 90% of the output voltage step. (2) Time for the output to resume linear operation after saturation.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
OPA644U 制造商:Rochester Electronics LLC 功能描述:- Bulk
OPA644UB 制造商:BB 制造商全稱:BB 功能描述:Low Distortion Current Feedback OPERATIONAL AMPLIFIER
OPA646 制造商:BB 制造商全稱:BB 功能描述:Low Power, Wide Bandwidth OPERATIONAL AMPLIFIER
OPA646 WAF 制造商:Texas Instruments 功能描述:
OPA646U 制造商:Rochester Electronics LLC 功能描述:- Bulk
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