LT1789CS8-10-PBF 查看數據表（PDF） - Linear Technology
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LT1789CS8-10-PBF
Linear Technology
LT1789CS8-10-PBF Datasheet PDF : 24 Pages
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LT1789-1/LT1789-10
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the temperature range of
–40°C ≤ TA ≤ 85°C. VS = 3V, 0V; VS = 5V, 0V; RL = 20k, VREF = half supply, unless otherwise noted. (Note 4)
LT1789-1
LT1789-10
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX MIN TYP MAX UNITS
Gain Error (Note 6)
G = 1, VO = 0.3V to (+VS) – 1V
l
0.30
VO = 0.3V to (+VS) – 0.5V
G = 10 (Note 2)
l
0.57
G = 100 (Note 2)
l
0.59
%
0.35
%
0.62
%
Gain Nonlinearity (Note 6)
G = 1, VO = 0.3V to (+VS) – 1V
l
250
LT1789-1, VO = 0.3V to (+VS) – 0.5V
LT1789-10, VO = 0.3V to 4.7V, VS = 5V
(Note 8)
G = 10
l
105
G = 100
l
160
ppm
150
ppm
170
ppm
G/T
Gain vs Temperature
G < 1000 (Notes 2, 3)
l
5
50
5
50 ppm/°C
VOST Total Input Referred Offset Voltage VOST = VOSI + VOSO/G
VOSI
Input Offset Voltage
G = 1000
l
VOSIH Input Offset Voltage Hysteresis (Notes 3, 5)
l
VOSO Output Offset Voltage
G = 1 (LT1789-1), G = 10 (LT1789-10) l
VOSOH Output Offset Voltage Hysteresis (Notes 3, 5)
l
VOSI/T Input Offset Voltage Drift (RTI) (Note 3)
l
VOSO/T Output Offset Voltage Drift
(Note 3)
l
IOS
Input Offset Current
(Note 6)
l
IOS/T Input Offset Current Drift
l
IB
Input Bias Current
(Note 6)
l
IB/T
Input Bias Current Drift
l
VCM
Input Voltage Range
l 0.2
CMRR Common Mode Rejection Ratio 1k Source Imbalance (Note 6)
LT1789-1, VCM = 0.2V to (+VS) – 1V
LT1789-10, VCM = 0.2V to (+VS) – 1.5V
G=1
l 75
G = 10
l 92
G = 100, 1000
l 96
175
3
10
1050
50 100
0.2 0.5
1.5 4
5
3
50
50
+VS – 1 0.2
84
94
205
µV
3
10
µV
4000
µV
300 900
µV
0.3 0.7 µV/°C
7
20 µV/°C
5
nA
3
pA/°C
50
nA
50
pA/°C
+VS – 1.5
V
dB
dB
dB
PSRR Power Supply Rejection Ratio
VS = 2.5V to 12.5V, VCM = VREF = 1V
G=1
l 86
dB
G = 10
l 96
90
dB
G = 100, 1000
l 98
98
dB
Minimum Supply Voltage
l
2.5
2.5
V
IS
Supply Current
VOL
Output Voltage Swing LOW
VOH
Output Voltage Swing HIGH
(Note 7)
(Note 7)
(Note 7)
l
l
l +VS – 0.40
125
120
+VS – 0.40
125
µA
130
mV
V
1789fc
5
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