Datasheet

LTC1992 Family
5
1992fb
ELECTRICAL CHARACTERISTICS
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. +V
S
= 5V, –V
S
= 0V, V
INCM
= V
OUTCM
= V
OCM
= 2.5V, unless otherwise
noted. V
OCM
is the voltage on the V
OCM
pin. V
OUTCM
is defined as (+V
OUT
+ –V
OUT
)/2. V
INCM
is defined as (+V
IN
+ –V
IN
)/2. V
INDIFF
is
defined as (+V
IN
– –V
IN
). V
OUTDIFF
is defined as (+V
OUT
– –V
OUT
). Typical values are at T
A
= 25°C. Specifications apply to the
LTC1992-1 only.
SYMBOL PARAMETER CONDITIONS
LTC1992-1CMS8
LTC1992-1ISM8 LTC1992-1HMS8
UNITSMIN TYP MAX MIN TYP MAX
G
DIFF
Differential Gain
Differential Gain Error
Differential Gain Nonlinearity
Differential Gain Temperature Coefficient
l
l
1
±0.1
50
3.5
±0.3
1
±0.1
50
3.5
±0.35
V/V
%
ppm
ppm/°C
e
n
Input Referred Noise Voltage Density (Note 7) f = 1kHz 45 45 nV/√Hz
R
IN
Input Resistance, Single-Ended +IN, –IN Pins
l
22.5 30 37.5 22 30 38 kΩ
V
INCMR
Input Signal Common Mode Range V
S
= 5V –0.1V to 4.9V –0.1V to 4.9V V
CMRR Common Mode Rejection Ratio
(Amplifier Input Referred) (Note 7)
V
INCM
= –0.1V to 3.7V
l
55 60 55 60 dB
SR Slew Rate (Note 4)
l
0.5 1.5 0.5 1.5 V/μs
GBW Gain-Bandwidth Product f
TEST
= 180kHz 3 3 MHz
The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25°C.
+V
S
= 5V, –V
S
= 0V, V
INCM
= V
OUTCM
= V
OCM
= 2.5V, unless otherwise noted. V
OCM
is the voltage on the V
OCM
pin. V
OUTCM
is defined
as (+V
OUT
+ –V
OUT
)/2. V
INCM
is defined as (+V
IN
+ –V
IN
)/2. V
INDIFF
is defined as (+V
IN
– –V
IN
). V
OUTDIFF
is defined as (+V
OUT
– –V
OUT
).
Typical values are at T
A
= 25°C. Specifications apply to the LTC1992-2 only.
SYMBOL PARAMETER CONDITIONS
LTC1992-2CMS8
LTC1992-2ISM8 LTC1992-2HMS8
UNITSMIN TYP MAX MIN TYP MAX
G
DIFF
Differential Gain
Differential Gain Error
Differential Gain Nonlinearity
Differential Gain Temperature Coefficient
l
l
2
±0.1
50
3.5
±0.3
2
±0.1
50
3.5
±0.35
V/V
%
ppm
ppm/°C
e
n
Input Referred Noise Voltage Density (Note 7) f = 1kHz 45 45 nV/√Hz
R
IN
Input Resistance, Single-Ended +IN, –IN Pins
l
22.5 30 37.5 22 30 38 kΩ
V
INCMR
Input Signal Common Mode Range V
S
= 5V –0.1V to 4.9V –0.1V to 4.9V V
CMRR Common Mode Rejection Ratio
(Amplifier Input Referred) (Note 7)
V
INCM
= –0.1V to 3.7V
l
55 60 55 60 dB
SR Slew Rate (Note 4)
l
0.7 2 0.7 2 V/μs
GBW Gain-Bandwidth Product f
TEST
= 180kHz 4 4 MHz