LT1881 查看數據表（PDF） - Linear Technology
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LT1881 Datasheet PDF : 18 Pages
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LT1881/LT1882
ELECTRICAL CHARACTERISTICS The l 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
AVOL
Large-Signal Voltage Gain
VOL
Output Voltage Swing Low
VOH
Output Voltage Swing High
(Referred to V+)
IS
Supply Current Per Amplifier
ISC
Short-Circuit Current
GBW Gain Bandwidth Product
Channel Separation
tS
Settling Time
SR +
Slew Rate Positive
SR –
Slew Rate Negative
FPBW Full-Power Bandwidth
ΔVOS
Offset Voltage Match
(LT1881A)
Offset Voltage Match
(LT1881/LT1882)
Offset Voltage Match Drift
CONDITIONS
RL = 10k; 1V < VOUT < 4V
RL = 2k; 1V < VOUT < 4V
RL = 1k; 1V < VOUT < 4V
No Load
ISINK = 100μA
ISINK = 1mA
ISINK = 5mA
No Load
ISINK = 100μA
ISINK = 1mA
ISINK = 5mA
VS = 3V, 0V
VS = 5V, 0V
VS = 12V, 0V
VOUT Short to GND
VOUT Short to V+
f = 20kHz
f = 1kHz
0.01%, VOUT = 1.5V to 3.5V,
AV = –1, RL = 2k
AV = –1
AV = –1
VOUT = 4VP-P
(Note 10)
(Note 7)
0°C < TA < 70°C
– 40°C < TA < 85°C
(Note 7)
0°C < TA < 70°C
– 40°C < TA < 85°C
– 40°C < TA < 125°C
– 55°C < TA < 125°C
(Notes 6, 7)
C/I Grades
MIN TYP MAX
500 1600
l 350
300 800
l 250
250 400
l 200
l
20 40
l
25 50
l
70 150
l
270 600
l
120 220
l
130 230
l
180 300
l
360 600
0.45 0.65 0.85
l
1.2
0.5 0.65 0.9
l
1.4
0.5 0.70 1.0
l
1.5
l 15 30
l 15 30
0.35 1.0
120
30
H/MP Grades
MIN TYP MAX
500 1600
300
300 800
200
250 400
150
20 50
25 60
70 200
270 750
120 300
130 325
180 450
360 800
0.45 0.65 0.85
1.5
0.5 0.65 0.9
1.7
0.5 0.70 1.0
1.8
10 30
10 30
0.35 1.0
120
30
0.15 0.35
l 0.12
0.11 0.18
l 0.08
8.75 14
l 6.35
30 70
l
125
l
160
35 125
l
175
l
235
l
l
l
0.4 1.2
0.15 0.35
0.1
0.11 0.18
0.06
8.75 14
4.75
35 125
385
385
0.4 1.2
UNITS
V/mV
V/mV
V/mV
V/mV
V/mV
V/mV
mV
mV
mV
mV
mV
mV
mV
mV
mA
mA
mA
mA
mA
mA
mA
mA
MHz
dB
μs
V/μs
V/μs
V/μs
V/μs
kHz
kHz
μV
μV
μV
μV
μV
μV
μV
μV
μV/°C
ΔIB+
Noninverting Bias Current Match
(Note 7)
200 300
pA
(LT1881A)
0°C < TA < 70°C
l
400
pA
– 40°C < TA < 85°C
l
500
pA
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