Datasheet

LTC6416
3
6416f
3.6V 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
+
= 3.6V, GND = 0V, No R
LOAD
, C
LOAD
= 6pF. V
CM
= 1.25V,
CLHI = V
+
, CLLO = 0V unless otherwise noted. V
INCM
is defi ned as (IN
+
+ IN
–
)/2. V
OUTCM
is defi ned as (OUT
+
+ OUT
–
)/2. V
INDIFF
is
defi ned as (IN
+
– IN
–
). V
OUTDIFF
is defi ned as (OUT
+
– OUT
–
). See DC test circuit schematic.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
IVR
MIN
Input Voltage Range, IN
+
, IN
–
(Minimum) (Single-Ended)
Defi ned by Output Voltage Swing Test
l
0.1 V
IVR
MAX
Input Voltage Range IN
+
, IN
–
(Maximum) (Single-Ended)
Defi ned by Output Voltage Swing Test
l
2.4 V
I
B
Input Bias Current, IN
+
, IN
–
IN
+
= IN
–
= 1.25V
l
–15 –5 15 µA
R
INDIFF
Differential Input Resistance V
INDIFF
= ±1.2V
l
91215k
C
INDIFF
Differential Input Capacitance 1 pF
R
INCM
Input Common Mode Resistance IN
+
= IN
–
= 0.65V to 1.85V 6 k
CMRR Common Mode Rejection Ratio IN
+
= IN
–
= 0.65V to 1.85V,
CMRR = (V
OUTDIFF
/G
DIFF
/1.2V)
l
63.5
59.6
83 dB
dB
e
N
Input Noise Voltage Density f = 100kHz 1.8 nV/√Hz
i
N
Input Noise Current Density f = 100kHz 6.5 pA/√Hz
Output Common Mode Voltage Control
G
CM
V
CM
Pin Common Mode Gain V
CM
= 0.65V to 1.85V
l
0.9 0.96 1.05 V/V
V
INCMDEFAULT
Default Input Common Mode Voltage V
INCM
. IN
+
, IN
–
, V
CM
Pin Floating
l
1.3 1.38 1.45 V
V
OS
(V
CM
– V
INCM
) Offset Voltage, V
CM
to V
INCM
V
CM
– V
INCM
, V
CM
= 1.25V
l
–70 –28 70 mV
V
OUTCMDEFAULT
Default Output Common Mode Voltage Inputs Floating, V
CM
Pin Floating
l
1.25 1.34 1.45 V
V
OS
(V
CM
– V
OUTCM
) Offset Voltage, V
CM
to V
OUTCM
V
CM
– V
OUTCM
, V
CM
= 1.25V
l
–60 15 60 mV
V
OUTCMMIN
Output Common Mode Voltage Range
(Minimum)
V
CM
= 0.1V
l
0.37 0.5
0.55
V
V
V
OUTCMMAX
Output Common Mode Voltage Range
(Maximum)
V
CM
= 2.7V
l
2.3
2.25
2.46 V
V
V
CMDEFAULT
V
CM
Pin Default Voltage
l
1.325 1.36 1.425 V
R
VCM
V
CM
Pin Input Resistance
l
2.5 3.8 5.1 k
C
VCM
V
CM
Pin Input Capacitance 1 pF
I
BVCM
V
CM
Pin Bias Current V
CM
= 1.25V
l
–50 –32 50 µA
DC Clamping Characteristics
V
CLHIDEFAULT
Default Output Clamp Voltage, High
l
2.3 2.45 2.6 V
V
OS
(CLHI – V
OUTCM
) Offset Voltage, CLHI to V
OUTCM
l
–55 13 55 mV
V
CLLODEFAULT
Default Output Clamp Voltage, Low
l
0.125 0.265 0.425 V
V
OS
(CLLO – V
OUTCM
) Offset Voltage, CLLO to V
OUTCM
l
–120 –70 0 mV
R
CLHI
CLHI Pin Input Resistance V
CLHI
= 2.45V
l
3 4.1 5 k
IB
CLHI
CLHI Pin Bias Current V
CLHI
= 2.45V
l
–25 –1 25 µA
R
CLLO
CLLO Pin Input Resistance V
CLLO
= 0.275V
l
1.5 2.3 3.2 k
I
BCLLO
CLLO Pin Bias Current V
CLLO
= 0.275V
l
–25 4.5 25 µA
Power Supply
V
S
Supply Voltage Range
l
2.7 3.9 V
I
S
Supply Current
l
33 42 51
54
mA
mA
PSRR Power Supply Rejection Ratio V
S
= 2.7V to 3.6V
l
57.5 80 dB