Datasheet

LTC6417
3
6417f
Dc elecTrical characTerisTics
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
+
= 5V, GND = 0V, No R
LOAD
, C
LOAD
= 6pF. V
CM
= 1.25V, CLHI = V
+
,
PWRADJ = V
+
, SHDN = 0V unless otherwise noted. V
INCM
is defined as (IN
+
+ IN
–
)/2. V
OUTCM
is defined as (OUT
+
+ OUT
–
)/2. V
INDIFF
is
defined as (IN
+
– IN
–
). V
OUTDIFF
is defined as (OUT
+
– OUT
–
). See DC test circuit schematic.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
I
OUT
Output Current Drive (Notes 1, 4) Single-Ended Measurement of OUT
+
, OUT
–
l
±100 mA
V
OS
Differential Input Offset Voltage IN
+
= IN
–
= 1.25V, V
OS
= V
OUTDIFF
/G
DIFF
l
–3.2
–4
–0.1 3.2
4
mV
mV
TCV
OS
Differential Input Offset Voltage Drift
l
1 µV/°C
V
IOCM
Common Mode Offset Voltage, Input
to Output
V
OUTCM
– V
INCM
l
–120
–140
–60 –10
0
mV
mV
IVR
MIN
Input Voltage Range, IN
+
, IN
–
(Minimum) (Single-Ended)
Defined by Output Voltage Swing Test
l
0.1 V
IVR
MAX
Input Voltage Range IN
+
, IN
–
(Maximum) (Single-Ended)
Defined by Output Voltage Swing Test
l
2.4 V
I
B
Input Bias Current, IN
+
, IN
–
IN
+
= IN
–
= 1.25V
l
–13
–18
2 13
18
µA
µA
R
INDIFF
Differential Input Resistance V
INDIFF
= ±1.2V
l
12
11
18.5 25
27.5
kΩ
kΩ
C
INDIFF
Differential Input Capacitance 1 pF
R
INCM
Input Common Mode Resistance IN
+
= IN
–
= 0.65V to 1.85V
l
5.8
5
9.25 13
15
kΩ
kΩ
CMRR Common Mode Rejection Ratio IN
+
= IN
–
= 0.65V to 1.85V,
CMRR = (V
OUTDIFF
/G
DIFF
/1.2V)
l
63
60
91 dB
dB
R
OUTDIFF
Differential Output Resistance 3 Ω
e
N
Input Noise Voltage Density f = 100kHz 1.5 nV/√Hz
i
N
Input Noise Current Density f = 100kHz 4.3 pA/√Hz
Output Common Mode Voltage Control
G
CM
V
CM
Pin Common Mode Gain V
CM
= 0.65V to 1.85V
l
0.82
0.8
0.92 V/V
V/V
V
INCMDEFAULT
Default Input Common Mode Voltage V
INCM
. IN
+
, IN
–
, V
CM
Pin Floating
l
1.15
1.1
1.25 1.35
1.4
V
V
V
OS
(V
CM
– V
INCM
) Offset Voltage, V
CM
to V
INCM
V
CM
– V
INCM
, V
CM
= 1.25V
l
–85
–90
15 115
135
mV
mV
V
OUTCMDEFAULT
Default Output Common Mode Voltage Inputs Floating, V
CM
Pin Floating
l
1.1
1
1.2 1.3
1.35
V
V
V
OS
(V
CM
– V
OUTCM
) Offset Voltage, V
CM
to V
OUTCM
V
CM
– V
OUTCM
, V
CM
= 1.25V
l
–50
–45
75 200
230
mV
mV
V
OUTCMMIN
Output Common Mode Voltage Range
(Minimum)
V
CM
= 0.1V
l
0.29 0.63
0.65
V
V
V
OUTCMMAX
Output Common Mode Voltage Range
(Maximum)
V
CM
= 2.4V
l
2
1.85
2.25 V
V
V
CMDEFAULT
V
CM
Pin Default Voltage
l
1.15
1.1
1.25 1.35
1.4
V
V
R
VCM
V
CM
Pin Input Resistance V
CM
= 0.65V to 1.85V
l
2
1.9
2.7 3.4
3.7
kΩ
kΩ
C
VCM
V
CM
Pin Input Capacitance 1 pF
I
BVCM
V
CM
Pin Bias Current V
CM
= 1.25V
l
–15
–27.5
1 15
27.5
µA
µA