LT1722/LT1723/LT1724
4
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ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage (Note 6)
LT1722 SOT-23 and LT1723 MS8
100
150
400
650
µV
µV
I
OS
Input Offset Current 40 300 nA
I
B
Input Bias Current 40 300 nA
e
n
Input Noise Voltage f = 10kHz 3.8 nV/√Hz
i
n
Input Noise Current f = 10kHz 1.2 pA/√Hz
R
IN
Input Resistance V
CM
= ±3.5V
Differential
535
50
M
k
C
IN
Input Capacitance 2pF
Input Voltage Range +
Input Voltage Range
–
3.5 4
–4 –3.5
V
V
CMRR Common Mode Rejection Ratio V
CM
= ±3.5V 80 100 dB
PSRR Power Supply Rejection Ratio V
S
= ±2.3V to ± 5.5V 78 90 dB
A
VOL
Large-Signal Voltage Gain V
OUT
= ±3V, R
L
= 500
V
OUT
= ±3V, R
L
= 150
10
7
17
14
V/mV
V/mV
V
OUT
Output Swing R
L
= 500, V
IN
= ±10mV
R
L
= 150, V
IN
= ±10mV
±3.2
±3.1
±3.8
±3.4
V
V
I
OUT
Output Current V
OUT
= ±3V, 10mV Overdrive 23 50 mA
I
SC
Short-Circuit Current V
OUT
= 0V, V
IN
= ±1V 35 90 mA
SR Slew Rate A
V
= –1, (Note 7) 45 70 V/µs
Full Power Bandwidth 3V Peak, (Note 8) 3.7 MHz
GBW Gain Bandwidth f = 200kHz 115 200 MHz
t
S
Settling Time A
V
= –1, 2V, 0.1%
A
V
= –1, 2V, 0.01%
91
112
ns
ns
t
r
, t
f
Rise Time, Fall Time A
V
= 1, 10% to 90%, V
IN
= 0.2V
P-P
, R
L
= 150 6 ns
Overshoot A
V
= 1, V
IN
= 0.2V
P-P
, R
L
= 150, R
F
= 0 15 %
Propagation Delay 50% V
IN
to 50% V
OUT
= 0.2V
P-P
, R
L
= 150 3 ns
R
O
Output Resistance A
V
= 1, f = 1MHz 0.15
Channel Separation V
OUT
= ±3V, R
L
= 150 82 90 dB
I
S
Supply Current Per Amplifi er 3.7 4.5 mA
T
A
= 25°C. V
S
= 5V, V
CM
= 2.5V, R
L
to 2.5V, unless otherwise noted.
V
OS
Input Offset Voltage (Note 6)
LT1722 SOT-23 and LT1723 MS8
250
350
550
800
µV
µV
I
OS
Input Offset Current 20 300 nA
I
B
Input Bias Current 20 300 nA
e
n
Input Noise Voltage f = 10kHz 4
nV/√Hz
i
n
Input Noise Current f = 10kHz 1.1
pA/√Hz
R
IN
Input Resistance V
CM
= 1.5V to 3.5V
Differential
532
55
M
k
C
IN
Input Capacitance 2pF
Input Voltage Range +
Input Voltage Range –
3.5 4
1 1.5
V
V
T
A
= 25°C, V
S
= ±5V, V
CM
= 0V, unless otherwise noted.
