Datasheet

LTC6412
4
6412fa
DC ELECTRICAL CHARACTERISTICS
The l denotes specifi cations that apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. DC electrical performance measured using DC test circuit schematic.
V
IN(DIFF)
is defi ned as (+IN) – (–IN). V
OUT(DIFF)
is defi ned as (+OUT) – (–OUT). V
IN(CM)
is defi ned as [(+IN) + (–IN)]/2. V
OUT(CM)
is
defi ned as [(+OUT) + (–OUT)]/2. Unless noted otherwise, default operating conditions are V
CC
= 3.3V, EN = 0.8V, SHDN = 2.2V, +V
G
tied
to V
REF
(negative gain slope mode), V
OUT(CM)
= 3.3V. Differential power gain defi ned at Z
SOURCE
= 50Ω differential and Z
LOAD
= 200Ω
differential.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SHDN Pin
V
IL(SHDN)
SHDN Input Low Voltage
l
0.8 V
V
IH(SHDN)
SHDN Input High Voltage
l
2.2 V
I
IL(SHDN)
SHDN Input Low Current SHDN = 0.8V
l
–60 –30 –1 μA
I
IH(SHDN)
SHDN Input High Current SHDN = 2.2V
l
–30 –15 –1 μA
EN Pin
V
IL(EN)
EN Input Low Voltage
l
0.8 V
V
IH(EN)
EN Input High Voltage
l
2.2 V
I
IL(EN)
EN Input Low Current EN = 0.8V
l
–60 –30 –1 μA
I
IH(EN)
EN Input High Current EN = 2.2V
l
–30 –15 –1 μA
Power Supply
V
S
Operating Supply Range
l
3.0 3.3 3.6 V
I
S(TOT)
Total Supply Current All V
CC
Pins Plus +OUT and –OUT Pins
l
110 135
140
mA
mA
I
S(OUT)
Sum of Supply Current to OUT Pins I
S(OUT)
= I
+OUT
+ I
–OUT
l
44 55
60
mA
mA
I
Δ(OUT)
Delta of Supply Current to OUT Pins Current Imbalance to +OUT and –OUT
l
0.5 1.5
2.0
mA
mA
I
S(SHDN)
Supply Current in Shutdown I
S(OUT)
at SHDN = 0.8V
l
0.5 1.3
2.0
mA
mA
PSRR
MAX
Power Supply Rejection Ratio at Max Gain –V
G
= 0V, Output Referred 40 53 dB
PSRR
MIN
Power Supply Rejection Ratio at Min Gain –V
G
= 1.2V, Output Referred 40 53 dB