Datasheet

LT6350
3
6350fc
For more information www.linear.com/LT6350
elecTrical characTerisTics
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OSDIFF
Differential Input-Referred Offset Voltage V
S
= 5V
V
+IN1
= V2 = Mid-Rail
V
+IN1
= V2 = V
–
+1.5V to V
+
– 0.1V
V
+IN1
= V2 = V
–
+1.5V to V
+
– 0.1V
l
–0.4
–0.45
–0.77
±0.1
0.4
0.45
1.36
mV
mV
mV
V
S
= 3V
V
+IN1
= V2 = V
–
+1.5V to V
+
– 0.1V
V
+IN1
= V2 = V
–
+1.5V to V
+
– 0.1V
l
–0.45
–0.8
±0.1 0.45
1.36
mV
mV
V
S
= 10V
V
+IN1
= V2 = V
–
+1.5V to V
+
– 0.1V
V
+IN1
= V2 = V
–
+1.5V to V
+
– 0.1V
l
–0.52
–0.78
±0.1 0.52
1.48
mV
mV
V
OS1
Input Offset Voltage, Op Amp 1 V
S
= 5V
V
+IN1
= V
–
+1.5V to V
+
V
+IN1
= V
–
to V
+
l
l
–0.35
–1.5
±0.08
±0.28
0.68
1.5
mV
mV
V
S
= 3V
V
+IN1
= V
–
+1.5V to V
+
V
+IN1
= V
–
to V
+
l
l
–0.35
–1.5
±0.08
±0.32
0.68
1.5
mV
mV
V
S
= 10V
V
+IN1
= V
–
+1.5V to V
+
V
+IN1
= V
–
to V
+
l
l
–0.68
–1.5
±0.07
±0.28
0.68
1.5
mV
mV
V
OS2
Input Offset Voltage, Op Amp 2 (Note 6) V
S
= 3V, 5V, 10V
V
+IN1
= V2 = V
–
+1.5V to V
+
– 0.1V
l
–1.0 ±0.1 0.66 mV
∆V
OSDIFF
/∆T Differential Offset Voltage Drift V
+IN1
= V2 = V
–
+1.5V
V
+IN1
= V2 = V
+
–0.1V
l
l
5
5.5
µV/°C
µV/°C
I
B1
Input Bias Current, Op Amp 1
(at +IN1, –IN1)
V
+IN1
= Mid-Supply
V
+IN1
= V
–
V
+IN1
= V
+
l
l
l
–6.8
–8.0
–1.2
–3.0
1.4 2.6
µA
µA
µA
I
OS1
Input Offset Current, Op Amp 1
(at +IN1, –IN1)
V
+IN1
= Mid-Supply
V
+IN1
= V
–
V
+IN1
= V
+
l
l
l
–1
–1
–1
±0.1
±0.1
±0.1
1
1
1
µA
µA
µA
I
+IN2
Input Bias Current, Op Amp 2 (at +IN2) V
+IN1
= V2 = Mid-Supply
l
2.5 4.4 µA
I
OS2
Input Offest Current, Op Amp 2 V2 = Mid-Supply ±0.1 µA
e
n1
Input Voltage Noise Density, Op Amp 1 Op Amp Input Referred 1.9 nV/√Hz
i
n1
Input Current Noise Density, Op Amp 1 1.1 pA/√Hz
e
n2
Input Voltage Noise Density, Op Amp 2 Op Amp Input Referred 2.1 nV/√Hz
i
n2
Input Current Noise Density, Op Amp 2 1 pA/√Hz
e
n(OUT)
Differential Output Noise Voltage Density Total Output Noise Including Both Op Amps
and On-Chip Resistors. Input Shorted. f = 10kHz
8.2 nV/√Hz
Input Noise Voltage 0.1Hz to 10Hz 300 nV
P-P
SNR Output Signal-to-Noise Ratio V
OUTDIFF
= 8V
P-P
, 1MHz Noise Bandwidth 110 dB
V
+IN1
Input Voltage Range, +IN1 Guaranteed by CMRR1
l
V
–
V
+
V
V
+IN2
Input Voltage Range, +IN2 Guaranteed by CMRR2
l
V
–
+1.5V V
+
–0.1V V
R
IN
Input Resistance Single-Ended Input at +IN1 4 MΩ
The l denotes specifications that apply over the full specified temperature range,
otherwise specifications are at T
A
= 25°C. Unless noted otherwise, V
+
= 5V, V
–
= 0V, V
+IN1
= V2 = Mid-Supply, V
SHDN
= V
+
, R
L
= OPEN, R
F
=
SHORT, R
G
= OPEN. V
S
is defined as (V
+
– V
–
). V
OUTCM
is defined as (V
OUT1
+ V
OUT2
)/2. V
OUTDIFF
is defined as (V
OUT1
– V
OUT2
). See Figure 1.