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LT1790BIS6-2.048-PBF Datasheet(PDF) 5 Page - Linear Technology

Part # LT1790BIS6-2.048-PBF
Description  Micropower SOT-23 Low Dropout Reference Family
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1790BIS6-2.048-PBF Datasheet(HTML) 5 Page - Linear Technology

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LT1790
5
1790fb
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Current
No Load
l
35
60
75
μA
μA
Minimum Operating Current—
Negative Output (See Figure 7)
VOUT = – 1.25V, ±0.1%
100
125
μA
Turn-On Time
CLOAD = 1μF
250
μs
Output Noise (Note 8)
0.1Hz ≤ f ≤ 10Hz
10Hz ≤ f ≤ 1kHz
10
14
μVP-P
μVRMS
Long-Term Drift of Output Voltage (Note 9)
50
ppm/√kHr
Hysteresis (Note 10)
ΔT = 0°C to 70°C
ΔT = –40°C to 85°C
l
l
25
40
ppm
ppm
1.25V ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the specified
temperature range, otherwise specifications are at TA = 25°C. CL = 1μF and VIN = 2.6V, unless otherwise noted.
2.048V ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the
specified temperature range, otherwise specifications are at TA = 25°C. CL = 1μF and VIN = 2.8V, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Output Voltage (Notes 3, 4)
LT1790A
2.04697
–0.05
2.048
2.04902
0.05
V
%
LT1790B
2.04595
–0.1
2.048
2.05005
0.1
V
%
LT1790AC
l
l
2.04554
–0.12
2.048
2.05046
0.12
V
%
LT1790AI
l
l
2.04442
–0.175
2.048
2.05158
0.175
V
%
LT1790BC
l
l
2.04237
–0.275
2.048
2.05363
0.275
V
%
LT1790BI
l
l
2.03955
–0.4125
2.048
2.05645
0.4125
V
%
Output Voltage Temperature Coefficient (Note 5)
TMIN ≤ TA ≤ TMAX
LT1790A
LT1790B
l
l
5
12
10
25
ppm/°C
ppm/°C
Line Regulation
2.8V ≤ VIN ≤ 18V
l
50
170
220
ppm/V
ppm/V
Load Regulation (Note 6)
IOUT Source = 5mA
l
120
200
280
ppm/mA
ppm/mA
IOUT Sink = 3mA
l
130
260
450
ppm/mA
ppm/mA
Dropout Voltage (Note 7)
VIN – VOUT, ΔVOUT = 0.1%
IOUT = 0mA
IOUT Source = 5mA
IOUT Sink = 3mA
l
l
l
50
100
500
750
450
mV
mV
mV
mV
Supply Current
No Load
l
35
60
75
μA
μA
Minimum Operating Current—
Negative Output (See Figure 7)
VOUT = – 2.048V, 0.1%
100
125
μA
Turn-On Time
CLOAD = 1μF
350
μs


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