LTC6404
4
6404f
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
ΔV
OSCM
/ΔT
Common Mode Offset Voltage Drift V
S
= 2.7V to 5.25V
LTC6404-1
LTC6404-2
LTC6404-4
±10
±20
±20
µV/°C
µV/°C
µV/°C
V
OUTCMR
(Note 7)
Output Signal Common Mode Range
(Voltage Range for the V
OCM
Pin)
V
S
= 3V
LTC6404-1
LTC6404-2
LTC6404-4
l
l
l
1.1
1.1
1.1
2
2
1.7
V
V
V
V
S
= 5V
LTC6404-1
LTC6404-2
LTC6404-4
l
l
l
1.1
1.1
1.1
4
4
3.7
V
V
V
R
INVOCM
Input Resistance, V
OCM
Pin LTC6404-1
LTC6404-2
LTC6404-4
l
l
l
15
8
4
23.5
14
7
32
20
10
k
k
k
V
MID
Voltage at the V
OCM
Pin V
S
= 3V
l
1.45 1.5 1.55 V
V
OUT
Output Voltage High, Either Output Pin (Note 10) V
S
= 3V, I
L
= 0mA
V
S
= 3V, I
L
= 5mA
V
S
= 3V, I
L
= 20mA
l
l
l
325
360
480
550
600
750
mV
mV
mV
V
S
= 5V, I
L
= 0mA
V
S
= 5V, I
L
= 5mA
V
S
= 5V, I
L
= 20mA
l
l
l
460
500
650
700
750
1000
mV
mV
mV
Output Voltage Low, Either Output Pin (Note 10) V
S
= 3V, I
L
= 0mA
V
S
= 3V, I
L
= –5mA
V
S
= 3V, I
L
= –20mA
l
l
l
120
140
200
230
260
350
mV
mV
mV
V
S
= 5V, I
L
= 0mA
V
S
= 5V, I
L
= –5mA
V
S
= 5V, I
L
= –20mA
l
l
l
175
200
285
320
350
550
mV
mV
mV
I
SC
Output Short-Circuit Current, Either Output Pin
(Note 11)
V
S
= 2.7V
V
S
= 3V
V
S
= 5V
l
l
l
±35
±40
±55
±60
±65
±85
mA
mA
mA
A
VOL
Large-Signal Voltage Gain V
S
= 3V 90 dB
V
S
Supply Voltage Range
l
2.7 5.25 V
I
S
Supply Current (LTC6404-1) V
S
= 2.7V, V
SHDN
= V
S
– 0.6V
V
S
= 3V, V
SHDN
= V
S
– 0.6V
V
S
= 5V, V
SHDN
= V
S
– 0.6V
l
l
l
27.2
27.3
27.8
35.5
35.5
36.5
mA
mA
mA
Supply Current (LTC6404-2) V
S
= 2.7V, V
SHDN
= V
S
– 0.6V
V
S
= 3V, V
SHDN
= V
S
– 0.6V
V
S
= 5V, V
SHDN
= V
S
– 0.6V
l
l
l
29.7
29.8
30.4
38.5
38.5
39.5
mA
mA
mA
Supply Current (LTC6404-4) V
S
= 2.7V, V
SHDN
= V
S
– 0.6V
V
S
= 3V, V
SHDN
= V
S
– 0.6V
V
S
= 5V, V
SHDN
= V
S
– 0.6V
l
l
l
30.0
30.2
31.0
39
39
40
mA
mA
mA
I
SHDN
Supply Current in Shutdown (LTC6404-1) V
S
= 2.7V, V
SHDN
= V
S
– 2.1V
V
S
= 3V, V
SHDN
= V
S
– 2.1V
V
S
= 5V, V
SHDN
= V
S
– 2.1V
l
l
l
0.22
0.25
0.35
1
1
2
mA
mA
mA
Supply Current in Shutdown (LTC6404-2) V
S
= 2.7V, V
SHDN
= V
S
– 2.1V
V
S
= 3V, V
SHDN
= V
S
– 2.1V
V
S
= 5V, V
SHDN
= V
S
– 2.1V
l
l
l
0.22
0.25
0.35
1
1
2
mA
mA
mA
Supply Current in Shutdown (LTC6404-4) V
S
= 2.7V, V
SHDN
= V
S
– 2.1V
V
S
= 3V, V
SHDN
= V
S
– 2.1V
V
S
= 5V, V
SHDN
= V
S
– 2.1V
l
l
l
0.28
0.30
0.50
1.2
1.2
2.4
mA
mA
mA
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
L
= OPEN, R
BAL
= 100k (See Figure 1). For the LTC6404-1: R
I
= 100Ω, R
F
= 100Ω. For the LTC6404-2: R
I
= 100Ω,
R
F
= 200Ω. For the LTC6404-4: R
I
= 100Ω, R
F
= 402Ω, unless otherwise noted. V
S
is defi ned (V
+
– V
–
). V
OUTCM
= (V
OUT
+
+ V
OUT
–
)/2.
V
ICM
is defi ned (V
IN
+
+ V
IN
–
)/2. V
OUTDIFF
is defi ned (V
OUT
+
– V
OUT
–
). V
INDIFF
= (V
INP
– V
INM
)
LTC6404 DC ELECTRICAL CHARACTERISTICS
