Datasheet

LTC6246/LTC6247/LTC6248
6
624678fa
elecTrical characTerisTics
(V
S
= 2.7V) The l denotes the specifications which apply across the
specified temperature range, otherwise specifications are at T
A
= 25°C. For each amplifier V
S
= 2.7V, 0V; V
SHDN
= 2V; V
CM
= V
OUT
=
1.35V, unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
CMRR Common Mode Rejection Ratio V
CM
= 0V to 1.2V
l
80
78
100 dB
dB
I
CMR
Input Common Mode Range
l
0 V
S
V
PSRR Power Supply Rejection Ratio V
S
= 2.5V to 5.25V
V
CM
= 1V
l
69
65
73 dB
dB
Supply Voltage Range (Note 6)
l
2.5 5.25 V
V
OL
Output Swing Low (V
OUT
– V
–
) No Load
l
20 40
55
mV
mV
I
SINK
= 5mA
l
80 125
160
mV
mV
I
SINK
= 10mA
l
110 175
225
mV
mV
V
OH
Output Swing High (V
+
– V
OUT
) No Load
l
60 85
100
mV
mV
I
SOURCE
= 5mA
l
135 190
225
mV
mV
I
SOURCE
= 10mA
l
180 275
400
mV
mV
I
SC
Short Circuit Current Sourcing
l
–35 –20
–15
mA
mA
Sinking
l
25
20
50 mA
mA
I
S
Supply Current per Amplifier V
CM
= Half Supply
l
0.89 1
1.3
mA
mA
V
CM
= V
+
– 0.5V
l
1 1.3
1.7
mA
mA
I
SD
Disable Supply Current per Amplifier V
SHDN
= 0.8V
l
22 50
90
µA
µA
I
SHDNL
SHDN Pin Current Low V
SHDN
= 0.8V
l
–1
–1.5
–0.5 0
0
µA
µA
I
SHDNH
SHDN Pin Current High V
SHDN
= 2V
l
–300
–350
45 300
350
nA
nA
V
L
SHDN Pin Input Voltage
l
0.8 V
V
H
SHDN Pin Input Voltage
l
2.0 V
I
OSD
Output Leakage Current Magnitude in Shutdown V
SHDN
= 0.8V, Output Shorted to Either
Supply
100 nA
t
ON
Turn-On Time V
SHDN
= 0.8V to 2V 5 µs
t
OFF
Turn-Off Time V
SHDN
= 2V to 0.8V 2 µs
BW –3dB Closed Loop Bandwidth A
V
= 1, R
L
= 1k to Half Supply 100 MHz
GBW Gain-Bandwidth Product f = 2MHz, R
L
= 1k to Half Supply
l
80
50
150 MHz
t
S
, 0.1 Settling Time to 0.1% A
V
= –1, V
O
= 2V Step R
L
= 1k 119 ns
t
S
, 0.01 Settling Time to 0.01% A
V
= –1, V
O
= 2V Step R
L
= 1k 170 ns
SR Slew Rate A
V
= –1, 2V Step 55 V/µs