參數(shù)資料
型號(hào)： OPA445AU
元件分類(lèi)： 運(yùn)算放大器
英文描述： High Voltage FET-Input OPERATIONAL AMPLIFIER
中文描述： 高電壓FET輸入運(yùn)算放大器
文件頁(yè)數(shù)： 2/11頁(yè)
文件大?。?/td> 131K
代理商： OPA445AU
2
OPA445
SPECIFICATIONS
At T
A
= +25
°
C, V
=
±
40V, and R
= 5k
, unless otherwise specified.
Boldface
limits apply over the specified temperature range, T
A
= –25
°
C to +85
°
C. V
S
=
±
40V.
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes
no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change
without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant
any BURR-BROWN product for use in life support devices and/or systems.
OPA445BM
OPA445AP, AU
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
OFFSET VOLTAGE
Input Offset Voltage
vs Temperature
vs Power Supply
V
V
= 0, I
= 0
T
A
= –25
°
C to +85
°
C
V
S
=
±
10V to
±
45V
±
1
±
10
4
±
3
±
1.5
6
6
±
5
mV
μ
V/
°
C
μ
V/V
V
/dT
PSRR
100
6
INPUT BIAS CURRENT
(1)
Input Bias Current
Over Specified Temperature Range
Input Offset Current
Over Specified Temperature Range
I
B
V
CM
= 0V
±
10
±
50
±
10
±
20
±
5
6
±
100
±
20
±
40
±
10
pA
nA
pA
nA
I
OS
V
CM
= 0V
±
4
6
NOISE
Input Voltage Noise Density, f = 1kHz
Current Noise Density, f = 1kHz
e
n
i
n
15
6
6
6
nV/
√
Hz
fA/
√
Hz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
Common-Mode Rejection
Over Specified Temperature Range
V
V
=
±
40V
V
CM
= –35V to +35V
(V–)+5
80
80
(V+)–5
6
6
6
6
V
dB
dB
CMRR
95
6
INPUT IMPEDANCE
Differential
Common-Mode
10
13
|| 1
10
14
|| 3
6
6
|| pF
|| pF
OPEN-LOOP GAIN, DC
Open-Loop Voltage Gain
Over Specified Temperature Range
A
OL
V
O
= –35V to +35V
100
97
110
6
6
6
dB
dB
FREQUENCY RESPONSE
Gain Bandwidth Product
Slew Rate
Full Power Bandwidth
Rise Time
Overshoot
Total Harmonic Distortion + Noise
GBW
SR
2
15
70
100
35
0.0002
0.00008
6
6
6
6
6
6
6
MHz
V/
μ
s
kHz
ns
%
%
%
V
O
= 70Vp-p
V
O
= 70Vp-p
V
=
±
200mV
G = +1, Z
= 5k
|| 50pF
f = 1kHz, V
O
= 3.5Vrms, G = 1
f = 1kHz, V
O
= 10Vrms, G = 1
5
23
6
6
THD+N
OUTPUT
Voltage Output
Over Specified Temperature Range
Current Output
Output Resistance, Open Loop
Short Circuit Current
Capacitive Load Drive
V
O
(V–)+5
(V–)+5
±
15
(V+)–5
(V+)–5
6
6
6
6
6
V
V
I
O
V
O
=
±
28V
dc
mA
mA
R
O
I
SC
220
±
26
6
6
6
C
LOAD
See Typical Curve
(2)
POWER SUPPLY
Specified Operating Range
Operating Voltage Range
Quiescent Current
V
S
±
40
6
V
V
±
10
±
45
±
4.7
6
6
6
I
Q
I
O
= 0
±
4.2
6
mA
TEMPERATURE RANGE
Specification Range
Operating Range
Storage Range
Thermal Resistance
TO-99
8-Pin DIP
SO-8 Surface-Mount
–25
–55
–65
+85
+125
+125
6
6
6
6
°
C
°
C
°
C
–55
+125
θ
JA
200
°
C/W
°
C/W
°
C/W
100
150
6
Specifications same as OPA445BM.
NOTE: (1) High-speed test at T
J
= +25
°
C. (2) See “Small-Signal Overshoot vs Load Capacitance” in the Typical Performance Curves section.
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