Datasheet

LT6236/LT6237/LT6238
7
623637fa
For more information www.linear.com/LT6236
ELECTRICAL CHARACTERISTICS
The l denotes the specifications which apply over the –40°C < T
A
< 125°C
temperature range. V
S
= 5V, 0V; V
S
= 3.3V, 0V; V
CM
= V
OUT
= half supply, ENABLE = 0V, unless otherwise noted. (Note 5)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage LT6236
LT6237MS8,LT6238GN
LT6237DD8
l
l
l
750
650
700
µV
µV
µV
Input Offset Voltage Match
(Channel-to-Channel) (Note 6)
l
1000 µV
V
OS
TC Input Offset Voltage Drift (Note 10) LT6236
LT6237MS8
LT6237DD8
LT6238GN
l
l
l
l
0.5
0.3
0.4
0.5
2.0
1.4
2.2
2.2
µV/°C
µV/°C
µV/°C
µV/°C
I
B
Input Bias Current
l
12 µA
I
B
Match (Channel-to-Channel) (Note 6)
l
1.1 µA
I
OS
Input Offset Current
l
1.2 µA
A
VOL
Large-Signal Gain V
S
= 5V, V
O
= 0.5V to 4.5V, R
L
= 10k to V
S
/2
V
S
= 5V, V
O
= 0.5V to 4.5V, R
L
= 1k to V
S
/2
V
S
= 5V, V
O
= 1V to 4V, R
L
= 100Ω to V
S
/2
l
l
l
62
14
3
V/mV
V/mV
V/mV
V
S
= 3.3V, V
O
= 0.65V to 2.65V, R
L
= 10k to V
S
/2
V
S
= 3.3V, V
O
= 0.65V to 2.65V, R
L
= 1k to V
S
/2
l
l
52
11
V/mV
V/mV
V
CM
Input Voltage Range Guaranteed by CMRR
V
S
= 5V, 0V
V
S
= 3.3V, 0V
l
l
1.5
1.15
4
2.65
V
V
CMRR Common Mode Rejection Ratio V
S
= 5V, V
CM
= 1.5V to 4V
V
S
= 3.3V, V
CM
= 1.15V to 2.65V
l
l
90
85
dB
dB
PSRR Power Supply Rejection Ratio V
S
= 3V to 10V
l
85 dB
Minimum Supply Voltage (Note 7)
l
3 V
V
OL
Output Voltage Swing Low (Note 8) No Load
I
SINK
= 5mA
V
S
= 5V, I
SINK
= 20mA
V
S
= 3.3V, I
SINK
= 15mA
l
l
l
l
60
225
550
425
mV
mV
mV
mV
V
OH
Output Voltage Swing High (Note 8) No Load
I
SOURCE
= 5mA
V
S
= 5V, I
SOURCE
= 20mA
V
S
= 3.3V, I
SOURCE
= 15mA
l
l
l
l
80
240
700
470
mV
mV
mV
mV
I
SC
Short-Circuit Current V
S
= 5V
V
S
= 3.3V
l
l
±15
±15
mA
mA
I
S
Supply Current per Amplifier
Disabled Supply Current per Amplifier ENABLE = V
+
– 0.15V
l
l
2
5 mA
µA
I
ENABLE
ENABLE Pin Current ENABLE = 0.3V
l
–100 µA
V
L
ENABLE Pin Input Voltage Low
l
0.3 V
V
H
ENABLE Pin Input Voltage High
l
V
+
– 0.15V V
SR Slew Rate V
S
= 5V, A
V
= –1, R
L
= 1k, V
O
= 1.5V to 3.5V
l
31 V/µs
FPBW Full-Power Bandwidth (Note 9) V
S
= 5V, V
OUT
= 3V
P-P
l
3.3 MHz