Datasheet

LTC6246/LTC6247/LTC6248
4
624678fa
elecTrical characTerisTics
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
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
25 40
55
mV
mV
I
SINK
= 5mA
l
70 110
160
mV
mV
I
SINK
= 25mA
l
160 250
450
mV
mV
V
OH
Output Swing High (V
+
– V
OUT
) No Load
l
70 100
150
mV
mV
I
SOURCE
= 5mA
l
130 175
225
mV
mV
I
SOURCE
= 25mA
l
300 500
750
mV
mV
I
SC
Output Short-Circuit Current Sourcing
l
–80 –35
–30
mA
mA
Sinking
l
60
40
100 mA
mA
I
S
Supply Current per Amplifier V
CM
= Half Supply
l
0.95 1
1.4
mA
mA
V
CM
= V
+
– 0.5V
l
1.25 1.4
1.8
mA
mA
I
SD
Disable Supply Current per Amplifier V
SHDN
= 0.8V
l
42 75
200
µA
µA
I
SHDNL
SHDN Pin Current Low V
SHDN
= 0.8V
l
–3
–4
–1.6 0
0
µA
µA
I
SHDNH
SHDN Pin Current High V
SHDN
= 2V
l
–300
–350
35 300
350
nA
nA
V
L
SHDN Pin Input Voltage Low
l
0.8 V
V
H
SHDN Pin Input Voltage High
l
2 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 120 MHz
GBW Gain-Bandwidth Product f = 2MHz, R
L
= 1k to Half Supply
l
100
70
180 MHz
MHz
t
S
, 0.1% Settling Time to 0.1% A
V
= –1, V
O
= 2V Step R
L
= 1k 74 ns
t
S
, 0.01% Settling Time to 0.01% A
V
= –1, V
O
= 2V Step R
L
= 1k 202 ns
SR Slew Rate A
V
= –3.33, 4.6V Step (Note 11)
l
60
50
90 V/µs
V/µs
FPBW Full Power Bandwidth V
OUT
= 4V
P-P
(Note 13) 4 MHz
(V
S
= 5V) 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
= 5V, 0V; V
SHDN
= 2V; V
CM
= V
OUT
= 2.5V,
unless otherwise noted.