參數(shù)資料
型號： OPA2727
英文描述： 20MHz, High Precision CMOS Operational Amplifier
中文描述： 為20MHz，高精度CMOS運算放大器
文件頁數(shù)： 4/20頁
文件大?。?/td> 537K
代理商： OPA2727
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SBOS314B SEPTEMBER 2004 REVISED DECEMBER 2004
www.ti.com
4
ELECTRICAL CHARACTERISTICS: V
S
= +4V to +12V or V
S
=
±
2V to
±
6V
Boldface
limits apply over the specified temperature range,
T
A
= 40
°
C to +125
°
C.
At TA = +25
°
C, RL = 10k
connected to VS/2, and VOUT = VS/2, unless otherwise noted.
OPA727, OPA728, OPA2727
PARAMETER
OFFSET VOLTAGE
Input Offset Voltage
Drift
CONDITIONS
MIN
TYP
MAX
UNIT
V
OS
V
S
=
±
5V, V
CM
= 0V
0
°
C to +85
°
C
40
°
C to +125
°
C
V
S
=
±
2V to
±
6V, V
CM
= V
V
S
=
±
2V to
±
6V, V
CM
= V
15
0.3
0.6
30
150
1.5
3.0
150
150
μ
V
dV
OS
/dT
μ
V/
°
C
μ
V/
°
C
μ
V/V
μ
V/V
μ
V/V
vs Power Supply
Over Temperature
Channel Separation, dc
PSRR
1
INPUT BIAS CURRENT
Input Bias Current, OPA727, OPA728
Input Bias Current, OPA2727
Over Temperature
Input Offset Current
NOISE
Input Voltage Noise, f = 0.1Hz to 10Hz
Input Voltage Noise Density, f = 10kHz
Input Voltage Noise Density, f = 100kHz
Input Current Noise Density, f = 1kHz
INPUT VOLTAGE RANGE
Common-Mode Voltage Range
Common-Mode Rejection Ratio
Over Temperature
I
B
±
10
±
60
±
100
±
500
pA
pA
See Typical Characteristics
±
10
I
OS
±
100
pA
e
n
e
n
e
n
i
n
V
S
=
±
6V, V
CM
= 0V
V
S
=
±
6V, V
CM
= 0V
V
S
=
±
6V, V
CM
= 0V
V
S
=
±
6V, V
CM
= 0V
10
10
6
2.5
μ
V
PP
nV/
√
Hz
nV/
√
Hz
fA/
√
Hz
V
CM
(V)
86
84
94
84
(V+) 2.5
V
dB
dB
dB
dB
CMRR
(V)
≤
V
CM
≤
(V+) 2.5V
(V)
≤
V
CM
≤
(V+) 2.5V
(V)
≤
V
CM
≤
(V+) 3V
(V)
≤
V
CM
≤
(V+) 3V
94
100
Over Temperature
INPUT IMPEDANCE
Differential
Common-Mode
10
11
5
10
11
4
pF
pF
OPEN-LOOP GAIN
Open-Loop Voltage Gain
OPA727, OPA728
Over Temperature
OPA2727
Over Temperature
OPA727, OPA728
Over Temperature
OPA2727
Over Temperature
FREQUENCY RESPONSE
Gain-Bandwidth Product
Slew Rate
Settling Time, 0.1%
A
OL
R
L
= 100k
, 0.15V < V
O
< (V+) 0.15V
R
L
= 100k
, 0.15V < V
O
< (V+) 0.15V
RL = 100k
, 0.175V < VO < (V+) 0.175V
R
L
= 100k
, 0.175V < V
O
< (V+) 0.175V
R
L
= 1k
, 0.25V < V
O
< (V+) 0.25V
R
L
= 1k
, 0.25V < V
O
< (V+) 0.25V
R
L
= 2k
, 0.25V < V
O
< (V+) 0.25V
R
L
= 2k
, 0.5V < V
O
< (V+) 0.5V
C
L
= 20pF
110
100
110
100
106
96
106
96
120
dB
dB
dB
dB
dB
dB
dB
dB
120
116
116
GBW
SR
20
30
350
450
50
0.0003
MHz
V/
μ
s
ns
ns
ns
%
G = +1
t
S
V
S
=
±
6V, 5V Step, G = +1
V
S
=
±
6V, 5V Step, G = +1
V
IN
Gain > V
S
VS =
±
6V, VOUT = 2VRMS, RL = 600
,
G = +1, f = 1kHz
0.01%
Overload Recovery Time
Total Harmonic Distortion + Noise
THD+N
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