LTC1992 Ver la hoja de datos (PDF) - Linear Technology
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LTC1992 Datasheet PDF : 40 Pages
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LTC1992 Family
ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. +VS = 5V, –VS = 0V, VINCM = VOUTCM = VOCM = 2.5V, unless otherwise
noted. VOCM is the voltage on the VOCM pin. VOUTCM is defined as (+VOUT + –VOUT)/2. VINCM is defined as (+VIN + –VIN)/2. VINDIFF is
defined as (+VIN – –VIN). VOUTDIFF is defined as (+VOUT – –VOUT). Typical values are at TA = 25°C. Specifications apply to the
LTC1992-1 only.
SYMBOL
GDIFF
en
RIN
VINCMR
CMRR
SR
GBW
PARAMETER
CONDITIONS
Differential Gain
Differential Gain Error
●
Differential Gain Nonlinearity
Differential Gain Temperature Coefficient
●
Input Referred Noise Voltage Density (Note 7) f = 1kHz
Input Resistance, Single-Ended +IN, –IN Pins
●
Input Signal Common Mode Range
Common Mode Rejection Ratio
(Amplifier Input Referred) (Note 7)
VS = 5V
VINCM = –0.1V to 3.7V ●
Slew Rate (Note 4)
●
Gain-Bandwidth Product
fTEST = 180kHz
LTC1992-1CMS8
LTC1992-1IMS8
MIN TYP MAX
1
±0.1 ±0.3
50
3.5
45
22.5 30 37.5
– 0.1V to 4.9V
55 60
0.5 1.5
3
LTC1992-1HMS8
MIN TYP MAX
1
±0.1 ±0.35
50
3.5
45
22 30 38
– 0.1V to 4.9V
55 60
UNITS
V/V
%
ppm
ppm/°C
nV/√Hz
kΩ
V
dB
0.5 1.5
V/µs
3
MHz
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
+VS = 5V, –VS = 0V, VINCM = VOUTCM = VOCM = 2.5V, unless otherwise noted. VOCM is the voltage on the VOCM pin. VOUTCM is defined as
(+VOUT + –VOUT)/2. VINCM is defined as (+VIN + –VIN)/2. VINDIFF is defined as (+VIN – –VIN). VOUTDIFF is defined as (+VOUT – –VOUT).
Typical values are at TA = 25°C. Specifications apply to the LTC1992-2 only.
SYMBOL PARAMETER
CONDITIONS
LTC1992-2CMS8
LTC1992-2IMS8
MIN TYP MAX
LTC1992-2HMS8
MIN TYP MAX UNITS
GDIFF
Differential Gain
Differential Gain Error
Differential Gain Nonlinearity
Differential Gain Temperature Coefficient
2
●
±0.1 ±0.3
50
●
3.5
2
V/V
±0.1 ±0.35
%
50
ppm
3.5
ppm/°C
en
RIN
VINCMR
CMRR
Input Referred Noise Voltage Density (Note 7) f = 1kHz
Input Resistance, Single-Ended +IN, –IN Pins
●
Input Signal Common Mode Range
Common Mode Rejection Ratio
(Amplifier Input Referred) (Note 7)
VS = 5V
VINCM = –0.1V to 3.7V ●
45
22.5 30 37.5
– 0.1V to 4.9V
55 60
45
22 30 38
– 0.1V to 4.9V
55 60
nV/√Hz
kΩ
V
dB
SR
Slew Rate (Note 4)
● 0.7
2
0.7 2
V/µs
GBW
Gain-Bandwidth Product
fTEST = 180kHz
4
4
MHz
1992f
5
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