Datasheet

LT1630/LT1631
3
16301fa
elecTrical characTerisTics
T
A
= 25°C, V
S
= 5V, 0V; V
S
= 3V, 0V; V
CM
= V
OUT
= half supply, unless
otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage V
CM
= V
+
V
CM
= V
–
150
150
525
525
µV
µV
∆V
OS
Input Offset Shift V
CM
= V
–
to V
+
150 525 µV
Input Offset Voltage Match (Channel-to-Channel) V
CM
= V
–
, V
+
(Note 5) 200 950 µV
I
B
Input Bias Current V
CM
= V
+
V
CM
= V
–
0
–1000
540
–540
1000
0
nA
nA
∆I
B
Input Bias Current Shift V
CM
= V
–
to V
+
1080 2000 nA
Input Bias Current Match (Channel-to-Channel) V
CM
= V
+
(Note 5)
V
CM
= V
–
(Note 5)
25
25
300
300
nA
nA
I
OS
Input Offset Current V
CM
= V
+
V
CM
= V
–
20
20
150
150
nA
nA
∆I
OS
Input Offset Current Shift V
CM
= V
–
to V
+
40 300 nA
Input Noise Voltage 0.1Hz to 10Hz 300 nV
P-P
e
n
Input Noise Voltage Density f = 1kHz 6 nV/√Hz
i
n
Input Noise Current Density f = 1kHz 0.9 pA/√Hz
C
IN
Input Capacitance 5 pF
A
VOL
Large-Signal Voltage Gain V
S
= 5V, V
O
= 300mV to 4.7V, R
L
= 10k
V
S
= 3V, V
O
= 300mV to 2.7V, R
L
= 10k
500
400
3500
2000
V/mV
V/mV
CMRR Common Mode Rejection Ratio V
S
= 5V, V
CM
= V
–
to V
+
V
S
= 3V, V
CM
= V
–
to V
+
79
75
90
86
dB
dB
CMRR Match (Channel-to-Channel) (Note 5) V
S
= 5V, V
CM
= V
–
to V
+
V
S
= 3V, V
CM
= V
–
to V
+
72
67
96
88
dB
dB
PSRR Power Supply Rejection Ratio V
S
= 2.7V to 12V, V
CM
= V
O
= 0.5V 87 105 dB
PSRR Match (Channel-to-Channel) (Note 5) V
S
= 2.7V to 12V, V
CM
= V
O
= 0.5V 80 107 dB
Minimum Supply Voltage (Note 9) V
CM
= V
O
= 0.5V 2.6 2.7 V
V
OL
Output Voltage Swing Low (Note 6) No Load
I
SINK
= 0.5mA
I
SINK
= 25mA, V
S
= 5V
I
SINK
= 20mA, V
S
= 3V
14
31
600
500
30
60
1200
1000
mV
mV
mV
mV
V
OH
Output Voltage Swing High (Note 6) No Load
I
SOURCE
= 0.5mA
I
SOURCE
= 20mA, V
S
= 5V
I
SOURCE
= 15mA, V
S
= 3V
15
42
900
680
40
80
1800
1400
mV
mV
mV
mV
I
SC
Short-Circuit Current V
S
= 5V
V
S
= 3V
±20
±15
±41
±30
mA
mA
I
S
Supply Current per Amplifier 3.5 4.4 mA
GBW Gain-Bandwidth Product (Note 7) f = 100kHz 15 30 MHz
SR Slew Rate (Note 8) V
S
= 5V, A
V
= –1, R
L
= Open, V
O
= 4V
V
S
= 3V, A
V
= –1, R
L
= Open
4.6
4.2
9.2
8.5
V/µs
V/µs
t
S
Settling Time V
S
= 5V, A
V
= 1, R
L
= 1k, 0.01%, V
STEP
= 2V 520 ns