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LT1882CS 数据表(PDF) 3 Page - Linear Technology

部件名 LT1882CS
功能描述  Dual and Quad Rail-to-Rail Output, Picoamp Input Precision Op Amps
PDF  16 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT1882CS 数据表(HTML) 3 Page - Linear Technology

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LT1881/LT1882
3
18812fa
ELECTRICAL CHARACTERISTICS
The
● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
Single supply operation VS = 5V, 0V; VCM = VS/2 unless otherwise noted. (Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IB
Input Bias Current (LT1881A)
100
200
pA
0
°C < TA < 70°C
●
250
pA
–40
°C < TA < 85°C
●
300
pA
Input Bias Current (LT1881/LT1882)
150
500
pA
0
°C < TA < 70°C
●
600
pA
–40
°C < TA < 85°C
●
700
pA
Input Noise Voltage
0.1Hz to 10Hz
0.5
μVP-P
en
Input Noise Voltage Density
f = 1kHz
14
nV/
√Hz
in
Input Noise Current Density
f = 1kHz
0.03
pA/
√Hz
RIN
Input Resistance
Differential Mode
●
20
M
Ω
Common Mode
●
100
G
Ω
CIN
Input Capacitance
●
2pF
VCM
Input Voltage Range
V– + 1.0
V+ – 1.0
V
●
V– + 1.2
V+ – 1.2
V
CMRR
Common Mode Rejection Ratio
1V < VCM < 4V
106
128
dB
1.2V < VCM < 3.8V
●
104
dB
PSRR
Power Supply Rejection Ratio
V– = 0V, VCM = 1.5V
0
°C < TA < 85°C, 2.7V < V+ < 32V
●
106
132
dB
TA = –40°C, 3V < V
+ < 32V
106
132
dB
Minimum Operating Supply Voltage
●
2.4
2.7
V
AVOL
Large-Signal Voltage Gain
RL = 10k; 1V < VOUT < 4V
500
1600
V/mV
●
350
V/mV
RL = 2k; 1V < VOUT < 4V
300
800
V/mV
●
250
V/mV
RL = 1k; 1V < VOUT < 4V
250
400
V/mV
●
200
V/mV
VOL
Output Voltage Swing Low
No Load
●
20
40
mV
ISINK = 100μA
●
25
50
mV
ISINK = 1mA
●
70
150
mV
ISINK = 5mA
●
270
600
mV
VOH
Output Voltage Swing High
No Load
●
120
220
mV
(Referred to V+)ISOURCE = 100μA
●
130
230
mV
ISOURCE = 1mA
●
180
300
mV
ISOURCE = 5mA
●
360
600
mV
IS
Supply Current Per Amplifier
VS = 3V, 0V
0.45
0.65
0.85
mA
●
1.2
mA
VS = 5V, 0V
0.5
0.65
0.9
mA
●
1.4
mA
VS = 12V, 0V
0.5
0.70
1.0
mA
●
1.5
mA
ISC
Short-Circuit Current
VOUT Short to GND
●
15
30
mA
VOUT Short to V+
●
15
30
mA
GBW
Gain Bandwidth Product
f = 20kHz
0.35
1.0
MHz
Channel Separation
f = 1kHz
120
dB
tS
Settling Time
0.01%, VOUT = 1.5V to 3.5V,
30
μs
AV = –1, RL = 2k



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