LT1884 Просмотр технического описания (PDF) - Linear Technology
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LT1884 Datasheet PDF : 12 Pages
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LT1884/LT1885
ELECTRICAL CHARACTERISTICS
The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
Split supply operation VS = ±15V; VCM = 0V unless otherwise noted. (Note 5)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
+ PSRR
Positive Power Supply Rejection Ratio VEE = –15V, VCM = 0V; 1.5V < VCC < 18V q
114
132
dB
– PSRR
Negative Power Supply Rejection Ratio VCC = 15V, VCM = 0V; –1.5V < VEE < –18V q
106
132
dB
Minimum Operating Supply Voltage
q
±1.2
±1.35
V
AVOL
Large-Signal Voltage Gain
RL = 10k; –13.5V < VOUT < 13.5V
1000
1600
q
700
V/mV
V/mV
RL = 2k; –13.5V < VOUT < 13.5V
250
420
q
175
V/mV
V/mV
RL = 1k; –12V < VOUT < 12V
100
230
q
75
V/mV
V/mV
VOL
Output Voltage Swing Low
(Referred to VEE)
VOH
Output Voltage Swing High
(Referred to VCC)
IS
Supply Current Per Amplifier
No Load
ISINK = 100µA
ISINK = 1mA
ISINK = 5mA
No Load
ISOURCE = 100µA
ISOURCE = 1mA
ISOURCE = 5mA
VS = ±15V
q
20
40
mV
q
25
50
mV
q
70
150
mV
q
270
600
mV
q
160
220
mV
q
160
230
mV
q
180
300
mV
q
360
600
mV
0.85
1.1
mA
q
1.6
mA
ISC
Short-Circuit Current
GBW
Gain-Bandwidth Product
VOUT Short to VEE
VOUT Short to VCC
f = 20kHz
q
15
50
mA
q
15
30
mA
1.5
2.2
MHz
tS
Settling Time
SR +
Positive Slew Rate
SR –
Negative Slew Rate
0.01%, VOUT = – 5V to 5V,
AV = –1, RL = 2k
17
µs
AV = – 1
0.5
1.0
V/µs
q
0.4
V/µs
AV = – 1
0.40
0.7
V/µs
q 0.26
V/µs
∆VOS
∆IB+
∆CMRR
Offset Voltage Match (LT1884A)
Offset Voltage Match (LT1884/LT1885)
Offset Voltage Match Drift
Noninverting Bias Current Match
(LT1884A)
Noninverting Bias Current Match
(LT1884/LT1885)
Common Mode Rejection Match
(Note 7)
0°C < TA < 70°C
– 40°C < TA < 85°C
(Note 7)
0°C < TA < 70°C
– 40°C < TA < 85°C
(Note 6, 7)
(Notes 7, 8)
0°C < TA < 70°C
– 40°C < TA < 85°C
(Notes 7, 8)
0°C < TA < 70°C
– 40°C < TA < 85°C
(Notes 7, 9)
q
q
q
q
q
q
q
q
q
q
106
35
70
µV
125
µV
160
µV
35
125
µV
175
µV
235
µV
0.4
1.1
µV/°C
200
600
pA
700
pA
850
pA
240
1200
pA
1600
pA
1900
pA
125
dB
∆ +PSRR Positive Power Supply Rejection Match VEE = –15V, VCM = 0V, 1.5V < VCC < 18V, q
108
124
dB
(Notes 7, 9)
∆ – PSRR Negative Power Supply Rejection Match VCC = 15V, VCM = 0V, – 1.5V < VEE < –18V, q
102
132
dB
(Notes 7, 9)
5
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