Datasheet

LTC6403-1
3
64031fa
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
I
B
Input Bias Current (Note 6) V
S
= 2.7V
V
S
= 3V
V
S
= 5V
l
l
l
–25
–25
–25
–7.5
–7.5
–7.5
0
0
0
μA
μA
μA
I
OS
Input Offset Current (Note 6) V
S
= 2.7V
V
S
= 3V
V
S
= 5V
l
l
l
±0.2
±0.2
±0.2
±5
±5
±5
μA
μA
μA
R
IN
Input Resistance Common Mode
Differential Mode
1.7
14
MΩ
kΩ
C
IN
Input Capacitance Differential Mode 1 pF
e
n
Differential Input Referred Noise Voltage Density f = 1MHz 2.8 nV/
i
n
Input Noise Current Density f = 1MHz 1.8 pA/
e
nVOCM
Input Referred Common Mode Output Noise
Voltage Density
f = 1MHz, V
OCM
Shorted to Ground,
V
+
= 1.5V, V
–
= –1.5V
17 nV/
√
⎯
H
⎯
z
V
ICMR
Input Signal Common Mode Range (Note 7) V
S
= 3V
V
S
= 5V
l
l
0
0
1.6
3.6
V
V
CMRRI Input Common Mode Rejection Ratio
(Input Referred) ΔV
ICM
/ΔV
OSDIFF
(Note 8)
V
S
= 3V, ΔV
ICM
= 0.75V
V
S
= 5V, ΔV
ICM
= 1.25V
l
l
50
50
72
72
dB
dB
CMRRIO Output Common Mode Rejection Ratio (Input
Referred) ΔV
OCM
/ΔV
OSDIFF
(Note 8)
V
S
= 5V, ΔV
OCM
= 2V
l
50 90 dB
PSRR Differential Power Supply Rejection
(ΔV
S
/ΔV
OSDIFF
) (Note 9)
V
S
= 2.7V to 5.25V
l
60 97 dB
PSRRCM Output Common Mode Power Supply Rejection
(ΔV
S
/ΔV
OSCM
) (Note 9)
V
S
= 2.7V to 5.25V
l
45 63 dB
G
CM
Common Mode Gain (ΔV
OUTCM
/ΔV
OCM
)V
S
= 5V, ΔV
OCM
= 2V
l
1V/V
ΔG
CM
Common Mode Gain Error (100 • (G
CM
– 1))
V
S
= 5V, ΔV
OCM
= 2V
l
–0.4 –0.1 0.3 %
BAL
Output Balance (ΔV
OUTCM
/ΔV
OUTDIFF
) ΔV
OUTDIFF
= 2V
Single-Ended Input
Differential Input
l
l
–63
–66
–45
–45
dB
dB
V
OSCM
Common Mode Offset Voltage (V
OUTCM
– V
OCM
)V
S
= 2.7V
V
S
= 3V
V
S
= 5V
l
l
l
±10
±10
±10
±25
±25
±25
mV
mV
mV
ΔV
OSCM
/ΔT
Common Mode Offset Voltage Drift V
S
= 2.7V
V
S
= 3V
V
S
= 5V
20
20
20
μV/°C
μV/°C
μV/°C
V
OUTCMR
Output Signal Common Mode Range
(Voltage Range for the V
OCM
Pin) (Note 7)
V
S
= 3V
V
S
= 5V
l
l
1.1
1.1
2
4
V
V
R
INVOCM
Input Resistance, V
OCM
Pin
l
15 23 32
kΩ
V
OCM
Voltage at the V
OCM
Pin (Self-Biased) V
S
= 3V, V
OCM
= Open
l
1.45 1.5 1.55 V
V
OUT
Output Voltage, High, Either Output Pin (Note 10) V
S
= 3V, I
L
= 0
V
S
= 3V, I
L
= 5mA
V
S
= 3V, I
L
= 20mA
l
l
l
190
190
340
300
300
490
mV
mV
mV
V
S
= 5V, I
L
= 0
V
S
= 5V, I
L
= 5mA
V
S
= 5V, I
L
= 20mA
l
l
l
170
195
380
300
340
550
mV
mV
mV
LTC6403-1 DC ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply
over the full operating temperature range, otherwise specifi cations are at T
A
= 25°C, V
+
= 3V, V
–
= 0V, V
CM
= V
OCM
= V
ICM
= Mid-Supply,
V
SHDN
= OPEN, R
I
= 402Ω, R
F
= 402Ω, R
L
= OPEN, R
BAL
= 100k (See Figure 1) unless otherwise noted. V
S
is defi ned as
(V
+
– V
–
). V
OUTCM
is defi ned as (V
+OUT
+ V
–OUT
)/2. V
ICM
is defi ned as (V
+IN
+ V
–IN
)/2. V
OUTDIFF
is defi ned as (V
+OUT
– V
–OUT
). V
INDIFF
is
defi ned as (V
INP
– V
INM
).