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參數(shù)資料
| 型號： | MAX4061 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Differential Microphone Preamplifiers with Internal Bias and Complete Shutdown |
| 中文描述： | 差分麥克風(fēng)前置放大器，內(nèi)部偏置并可完全關(guān)斷 |
| 文件頁數(shù)： | 3/20頁 |
| 文件大小： | 413K |
| 代理商： | MAX4061 |
M
Micropower, SOT23, Rail-to-Rail,
Fixed-Gain, GainAmp/Open-Loop Op Amps
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS—MAX4076/MAX4077/MAX4078
(V
CC
= +2.5V to +5.5V, V
EE
= 0, V
IN+
= V
IN-
= V
CC
/2, R
L
=
∞
to V
CC
/2, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values
are at V
CC
= +5V and T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
Supply Voltage Range
V
CC
Guaranteed by PSRR test
V
CC
= 5V
ELECTRICAL CHARACTERISTICS—MAX4074/MAX4075 (continued)
(V
CC
= +2.5V to +5.5V, V
EE
= 0, V
IN+
= V
IN-
= V
CC
/2, R
L
=
∞
to V
CC
/2, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values
are at V
CC
= +5V and T
A
= +25°C.) (Note 1)
90
80
90
120
-3dB Bandwidth
BW (-3dB)
kHz
A
V
= +3V/V
A
V
= +5V/V
A
V
= +10V/V
A
V
= +25V/V
200
A
V
= +1.25V/V
Input Noise Current Density
Capacitive Load Stability
500
500
fA/
√
Hz
pF
C
LOAD
DC Gain Accuracy
0.01
1.0
%
f = 5kHz
No sustained oscillations
(V
EE
+ 25mV) < V
OUT
< (V
CC
- 25mV),
R
L
= 1M
(Note 6)
PARAMETER
SYMBOL
MIN
TYP
9
100
60
150
MAX
UNITS
ms
V/ms
μs
nV/
√
Hz
Power-Up Time
Slew Rate
Settling Time (to 0.01%)
Input Voltage Noise Density
SR
e
n
CONDITIONS
Output settling to 1%
V
OUT
= 4V step
V
OUT
= 4V step
f = 5kHz (Note 5)
1.2
T
A
= +25°C
T
A
= T
MIN
to T
MAX
Supply Current (per amplifier)
I
CC
40
1.2
55
μA
V
CC
= 3V
R
L
= 1M
MIN
2.5
TYP
MAX
5.5
60
UNITS
V
Input Bias Current (Note 2)
Input Offset Current
I
IBIAS
I
OS
1
200
pA
pA
Input Offset Voltage Drift
1.5μV
μV/°C
Power-Supply Rejection Ratio
Closed-Loop Output Impedance
PSRR
R
OUT
70
95
0.2
4.5
20
117
dB
80
93
45
Input Offset Voltage
V
OS
3.5mV
mV
Output Short-Circuit Current
mA
80
Large-Signal Voltage Gain
A
VOL
dB
0.25V < V
OUT
< (V
CC
- 0.3V), R
L
= 5k
80
95
Common-Mode Input Voltage
Range
I
VR
0.25V < V
OUT
< (V
CC
- 0.3V), R
L
= 10k
CONDITIONS
A
V
= +1V/V
Shorted to V
CC
Shorted to V
EE
0.05V < V
OUT
< (V
CC
- 0.1V), R
L
= 1M
0.15
V
CC -
1.2
V
CC
= 2.5V to 5.5V
V
Guaranteed by CMRR
±0.4
Common-Mode Rejection Ratio
CMRR
70
95
dB
(V
CC
- 1.2V)
≥
V
CM
≥
-0.15V
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