LT1789CS8-10-PBF Ver la hoja de datos (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
3V AND 5V ELECTRICAL CHARACTERISTICS VS = 3V, 0V; VS = 5V, 0V; RL = 20k, VCM = VREF = half
supply, TA = 25°C, unless otherwise noted.
LT1789-1
LT1789-10
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX MIN TYP MAX UNITS
VOST Total Input Referred Offset Voltage VOST = VOSI + VOSO/G
VOSI Input Offset Voltage
G = 1000
VOSO Output Offset Voltage
G = 1 (LT1789-1), G =10 (LT1789-10)
IOS
Input Offset Current
(Note 6)
15
100
150 750
0.2
4
20
160
μV
650 3000
μV
0.2
4
nA
IB
Input Bias Current
(Note 6)
en
Input Noise Voltage,
RTI (Referred to Input)
G = 1, fO = 0.1Hz to 10Hz
G = 10
G = 100, 1000
Total RTI Noise = √eni2 + (eno/G)2
eni
Input Noise Voltage Density, RTI fO = 1kHz (Note 7)
eno
Output Noise Voltage Density, RTI fO = 1kHz (Note 3)
in
Input Noise Current
fO = 0.1Hz to 10Hz
Input Noise Current Density
fO = 1kHz
RIN
Input Resistance
VIN = 0V to (+VS) – 1V (Note 6)
19
40
5.0
1.5
1.0
19
40
nA
μVP-P
4.6
μVP-P
1.1
μVP-P
48
85
330
52
90 nV/√Hz
270
nV/√Hz
16
16
pAP-P
62
62
fA/√Hz
0.75
1.6
0.75
1.6
GΩ
CIN
Input Capacitance
Differential
Common Mode
1.6
1.6
pF
1.6
1.6
pF
VCM
Input Voltage Range
0
CMRR Common Mode Rejection Ratio 1k Source Imbalance (Note 6)
LT1789-1,VCM = 0V to (+VS) – 1V
LT1789-10, VCM = 0V to (+VS) – 1.2V
G=1
79
G = 10
96
G = 100
100
G = 1000
100
PSRR Power Supply Rejection Ratio VS = 2.5V to 12.5V, VCM = VREF = 1V
G=1
90
G = 10
100
G = 100
102
G = 1000
102
Minimum Supply Voltage
+VS – 1 0
88
106
88
114
98
114
98
100
113
94
116
102
116
102
2.2
2.5
+VS – 1.2 V
dB
105
dB
113
dB
113
dB
dB
109
dB
120
dB
120
dB
2.2
2.5
V
IS
Supply Current
VOL
Output Voltage Swing LOW
VOH
Output Voltage Swing HIGH
ISC
Short-Circuit Current
BW
Bandwidth
(Note 7)
(Note 7)
(Note 7)
Short to GND
Short to +VS
G=1
G = 10
G = 100
G = 1000
67
95
67
95
μA
54
100
62
110
mV
+VS – 0.3 +VS – 0.19
+VS – 0.3 +VS – 0.19
V
2.2
2.2
mA
8.5
8.5
mA
60
kHz
30
25
kHz
3
12
kHz
0.2
1.5
kHz
SR
Slew Rate
Settling Time to 0.01%
G = 10, VOUT = 0.5V to 4.5V
4V Step
0.023
240
0.062
V/μs
190
μs
RREFIN
IREFIN
Reference Input Resistance
Reference Input Current
VREF = 0V
220
220
kΩ
2.7
2.7
μA
AVREF Reference Gain to Output
1 ±0.0001
1 ±0.0001
1789fc
3
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