Datasheet

LTC6416
4
6416f
3.3V ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Input/Output Characteristics
G
DIFF
Differential Gain V
INDIFF
= ±1.2V
l
–0.3
–0.4
–0.15 0
0
dB
dB
TCG
DIFF
Differential Gain Temperature Coeffi cient
l
–0.00033 dB/°C
V
OUTDIFF
Differential Output Voltage Swing V
INDIFF
= ±2.3V
l
3.5
3.2
4V
P-P
V
P-P
V
OUTMIN
Output Voltage Swing Low Single-Ended Measurement of OUT
+
,
OUT
–
. V
INDIFF
= ±2.3V
l
0.2 0.3
0.35
V
V
V
OUTMAX
Output Voltage Swing High Single-Ended Measurement of OUT
+
,
OUT
–
. V
INDIFF
= ±2.3V
l
2.05
1.95
2.2 V
V
I
OUT
Output Current Drive (Note 4) Single-Ended Measurement of OUT
+
,
OUT
–
l
±20 mA
V
OS
Differential Input Offset Voltage IN
+
= IN
–
= 1.25V, V
OS
= V
OUTDIFF
/
G
DIFF
l
–5
–10
–0.1 5
10
mV
mV
TCV
OS
Differential Input Offset Voltage Drift
l
1µV/°C
V
IOCM
Common Mode Offset Voltage, Input to
Output
V
OUTCM
– V
INCM
l
–65
–75
–40 –15
–5
mV
mV
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 –4 15 µA
R
INDIFF
Differential Input Resistance V
INDIFF
= ±1.2V
l
91215 k
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 = ∆V
INCM
,
CMRR = (V
OUTDIFF
/G
DIFF
/∆V
INCM
)
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
1.2 1.28 1.35 V
V
OS
(V
CM
– V
INCM
) Offset Voltage, V
CM
to V
INCM
V
CM
– V
INCM
, V
CM
= 1.25V
l
–70 –26 70 mV
V
OUTCMDEFAULT
Default Output Common Mode Voltage Inputs Floating, V
CM
Pin Floating
l
1.15 1.24 1.35 V
V
OS
(V
CM
– V
OUTCM
) Offset Voltage, V
CM
to V
OUTCM
V
CM
– V
OUTCM
, V
CM
= 1.25V
l
–60 14 60 mV
V
OUTCMMIN
Output Common Mode Voltage
(Minimum)
V
CM
= 0.1V
l
0.34 0.5
0.55
V
V
V
OUTCMMAX
Output Common Mode Voltage
(Maximum)
V
CM
= 2.4V
l
2.05
2
2.16 V
V
V
CMDEFAULT
V
CM
Pin Default Voltage
l
1.2 1.25 1.3 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
–10 0.2 10 µA
The l denotes the specifi cations which apply over the full
operating temperature range, otherwise specifi cations are at T
A
= 25°C. V
+
= 3.3V, 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.