Datasheet

4
LT1638/LT1639
16389fc
LT1638C/LT1639C, LT1638I/LT1639I
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
PSRR Power Supply Rejection Ratio V
S
= 3V to 12.5V, V
CM
= V
O
= 1V ● 90 100 dB
Reverse Supply Voltage I
S
= –100µA per Amplifier ● 18 27 V
Minimum Operating Supply Voltage ● 2.4 2.7 V
I
S
Supply Current per Amplifier 170 230 µA
(Note 6)
● 275 µA
GBW Gain Bandwidth Product f = 5kHz 650 1075 kHz
(Note 5) 0°C ≤ T
A
≤ 70°C ● 550 kHz
–40°C ≤ T
A
≤ 85°C ● 500 kHz
SR Slew Rate A
V
= –1, R
L
= ∞ 0.210 0.38 V/µs
(Note 7) 0°C ≤ T
A
≤ 70°C ● 0.185 V/µs
–40°C ≤ T
A
≤ 85°C ● 0.170 V/µs
ELECTRICAL CHARACTERISTICS
The ● denotes the specifications which apply over the specified temperature range, otherwise specifications are at T
A
= 25°C.
V
S
= 3V, 0V; V
S
= 5V, 0V; V
CM
= V
OUT
= half supply, unless otherwise noted. (Note 4)
LT1638C/LT1639C, LT1638I/LT1639I
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage LT1638 N, S Packages 250 800 µV
0°C ≤ T
A
≤ 70°C ● 1000 µV
–40°C ≤ T
A
≤ 85°C ● 1100 µV
LT1639 N, S Packages 350 900 µV
0°C ≤ T
A
≤ 70°C ● 1100 µV
–40°C ≤ T
A
≤ 85°C ● 1200 µV
LT1638 MS8 Package 400 1050 µV
0°C ≤ T
A
≤ 70°C ● 1250 µV
–40°C ≤ T
A
≤ 85°C ● 1550 µV
LT1638 DDPackage 450 1250 µV
0°C ≤ T
A
≤ 70°C ● 1450 µV
–40°C ≤ T
A
≤ 85°C ● 1550 µV
Input Offset Voltage Drift LT1638/LT1639 N, S Packages ● 26 µV/°C
(Note 9) LT1638MS8, LT1638DD ● 2.5 7 µV/°C
I
OS
Input Offset Current ● 16 nA
I
B
Input Bias Current ● 20 50 nA
Input Noise Voltage 0.1Hz to 10Hz 1 µV
P-P
e
n
Input Noise Voltage Density f = 1kHz 20 nV/√Hz
i
n
Input Noise Current Density f = 1kHz 0.3 pA/√Hz
R
IN
Input Resistance Differential 1 2.5 MΩ
Common Mode, V
CM
= –15V to 14V 500 MΩ
C
IN
Input Capacitance 4.5 pF
Input Voltage Range ● –15 29 V
CMRR Common Mode Rejection Ratio V
CM
= –15V to 29V ● 80 88 dB
A
VOL
Large-Signal Voltage Gain V
O
= ±14V, R
L
= 10k 200 500 V/mV
0°C ≤ T
A
≤ 70°C ● 125 V/mV
–40°C ≤ T
A
≤ 85°C ● 100 V/mV
V
O
Output Voltage Swing No Load ● ±14.9 ±14.95 V
I
OUT
= ±10mA ● ±13.7 ±14.0 V
The ● denotes the specifications which apply over the specified temperature range, otherwise specifications are at T
A
= 25°C.
V
S
= ± 15V, V
CM
= 0V, V
OUT
= 0V, unless otherwise noted. (Note 4)