Datasheet

5
LT1638/LT1639
16389fc
LT1638H/LT1639H
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage LT1638S8 200 650 µV
● 3mV
LT1639S 300 750 µV
● 3.2 mV
Input Offset Voltage Drift (Note 9) ● 15 µV/°C
I
OS
Input Offset Current ● 15 nA
V
CM
= 44V (Note 5) ● 10 µA
I
B
Input Bias Current ● 150 nA
V
CM
= 44V (Note 5) ● 100 µA
Input Voltage Range ● 0.3 44 V
CMRR Common Mode Rejection Ratio V
CM
= 0.3V to V
CC
– 1V ● 76 dB
V
CM
= 0.3V to 44V ● 72 dB
A
VOL
Large-Signal Voltage Gain V
S
= 3V, V
O
= 500mV to 2.5V, R
L
= 10k 200 1500 V/mV
● 20 V/mV
V
S
= 5V, V
O
= 500mV to 4.5V, R
L
= 10k 400 1500 V/mV
● 35 V/mV
V
OL
Output Voltage Swing Low No Load ● 15 mV
I
SINK
= 5mA ● 900 mV
V
S
= 5V, I
SINK
= 10mA ● 1500 mV
V
OH
Output Voltage Swing High V
S
= 3V, No Load ● 2.9 V
V
S
= 3V, I
SOURCE
= 5mA ● 2V
V
S
= 5V, No Load ● 4.9 V
V
S
= 5V, I
SOURCE
= 10mA ● 3.5 V
PSRR Power Supply Rejection Ratio V
S
= 3V to 12.5V, V
CM
= V
O
= 1V ● 80 dB
Minimum Supply Voltage ● 2.7 V
Reverse Supply Voltage I
S
= –100µA ● 18 V
I
S
Supply Current 170 230 µA
(Note 6)
● 450 µA
GBW Gain Bandwidth Product f = 5kHz 650 1075 kHz
(Note 5)
● 350 kHz
SR Slew Rate A
V
= –1, R
L
= ∞ 0.21 0.38 V/µs
(Note 7)
● 0.1 V/µs
The ● denotes the specifications which apply over the full operating temperature range of –40°C ≤ T
A
≤ 125°C.
V
S
= 3V, 0V; V
S
= 5V, 0V; V
CM
= V
OUT
= Half Supply unless otherwise specified. (Note 4)
ELECTRICAL CHARACTERISTICS
LT1638C/LT1639C, LT1638I/LT1639I
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
I
SC
Short-Circuit Current (Note 2) Short to GND 25 40 mA
0°C ≤ T
A
≤ 70°C ● 20 mA
–40°C ≤ T
A
≤ 85°C ● 15 mA
PSRR Power Supply Rejection Ratio V
S
= ±1.5V to ±22V ● 90 100 dB
I
S
Supply Current per Amplifier 205 280 µA
● 350 µA
GBW Gain Bandwidth Product f = 5kHz 750 1200 kHz
0°C ≤ T
A
≤ 70°C ● 650 kHz
–40°C ≤ T
A
≤ 85°C ● 600 kHz
SR Slew Rate A
V
= –1, R
L
= ∞, V
O
= ±10V, 0.225 0.4 V/µs
0°C ≤ T
A
≤ 70°C ● 0.2 V/µs
–40°C ≤ T
A
≤ 85°C ● 0.18 V/µs
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)