LT1884/LT1885
4
The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
Single supply operation VEE = 0, VCC = 5V; VCM = VCC/2 unless otherwise noted. (Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOS
Offset Voltage Match (LT1884A)
30
70
V
0
°C < TA < 70°C
q
125
V
–40
°C < TA < 85°C
q
160
V
Offset Voltage Match (LT1884/LT1885)
(Note 7)
35
125
V
0
°C < TA < 70°C
q
195
V
–40
°C < TA < 85°C
q
235
V
Offset Voltage Match Drift
(Notes 6, 7)
q
0.4
1.2
V/°C
IB+
Noninverting Bias Current Match
200
600
pA
(LT1884A)
0
°C < TA < 70°C
q
700
pA
–40
°C < TA < 85°C
q
850
pA
Noninverting Bias Current Match
(Notes 7, 9)
250
1200
pA
(LT1884/LT1885)
0
°C < TA < 70°C
q
1600
pA
–40
°C < TA < 85°C
q
1900
pA
CMRR
Common Mode Rejection Match
(Notes 7, 9)
q
104
125
dB
PSRR
Positive Power Supply Rejection Match
VEE = 0, VCM = 1.5V
(Notes 7, 9)
0
°C < TA < 85°C, 2.7V < VCC < 32V
q
104
126
dB
TA = – 40°C, 3V < VCC < 32V
104
126
dB
ELECTRICAL CHARACTERISTICS
The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
Split supply operation VS = ±15V; VCM = 0V unless otherwise noted. (Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOS
Input Offset Voltage (LT1884A)
25
50
V
0
°C < TA < 70°C
q
85
V
–40
°C < TA < 85°C
q
110
V
Input Offset Voltage (LT1884/LT1885)
30
80
V
0
°C < TA < 70°C
q
125
V
–40
°C < TA < 85°C
q
150
V
Input Offset Voltage Drift (Note 6)
0
°C < TA < 70°C
q
0.3
0.8
V/°C
–40
°C < TA < 85°C
q
0.3
0.8
V/°C
IOS
Input Offset Current (LT1884A)
150
300
pA
0
°C < TA < 70°C
q
400
pA
–40
°C < TA < 85°C
q
500
pA
Input Offset Current (LT1884/LT1885)
150
900
pA
0
°C < TA < 70°C
q
1200
pA
–40
°C < TA < 85°C
q
1400
pA
IB
Input Bias Current (LT1884A)
150
400
pA
0
°C < TA < 70°C
q
500
pA
–40
°C < TA < 85°C
q
600
pA
Input Bias Current (LT1884/LT1885)
150
900
pA
0
°C < TA < 70°C
q
1200
pA
–40
°C < TA < 85°C
q
1400
pA
Input Noise Voltage
0.1Hz to 10Hz
0.4
VP-P
en
Input Noise Voltage Density
f = 1kHz
9.5
nV/
√Hz
in
Input Noise Current Density
f = 1kHz
0.05
pA/
√Hz
VCM
Input Voltage Range
VEE + 1.0
VCC – 1.0
V
q
VEE + 1.2
VCC – 1.2
V
CMRR
Common Mode Rejection Ratio
–13.5V < VCM < 13.5V
q
114
130
dB