Datasheet

LTC1992 Family
3
1992fb
ELECTRICAL CHARACTERISTICS
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. +V
S
= 5V, –V
S
= 0V, V
INCM
= V
OUTCM
= V
OCM
= 2.5V, unless otherwise
noted. V
OCM
is the voltage on the V
OCM
pin. V
OUTCM
is defined as (+V
OUT
+ –V
OUT
)/2. V
INCM
is defined as (+V
IN
+ –V
IN
)/2. V
INDIFF
is
defined as (+V
IN
– –V
IN
). V
OUTDIFF
is defined as (+V
OUT
– –V
OUT
). Specifications applicable to all parts in the LTC1992 family.
SYMBOL PARAMETER CONDITIONS
ALL C AND I GRADE ALL H GRADE
UNITSMIN TYP MAX MIN TYP MAX
V
S
Supply Voltage Range
l
2.7 11 2.7 11 V
I
S
Supply Current V
S
= 2.7V to 5V
V
S
= ±5V
l
l
0.65
0.75
0.7
0.8
1.0
1.2
1.2
1.5
0.65
0.8
0.7
0.9
1.0
1.5
1.2
1.8
mA
mA
mA
mA
V
OSDIFF
Differential Offset Voltage
(Input Referred) (Note 7)
V
S
= 2.7V
V
S
= 5V
V
S
= ±5V
l
l
l
±0.25
±0.25
±0.25
±2.5
±2.5
±2.5
±0.25
±0.25
±0.25
±4
±4
±4
mV
mV
mV
ΔV
OSDIFF
/ΔT Differential Offset Voltage Drift
(Input Referred) (Note 7)
V
S
= 2.7V
V
S
= 5V
V
S
= ±5V
l
l
l
10
10
10
10
10
10
μV/°C
μV/°C
μV/°C
PSRR Power Supply Rejection Ratio
(Input Referred) (Note 7)
V
S
= 2.7V to ±5V
l
75 80 72 80 dB
GCM Common Mode Gain(V
OUTCM
/V
OCM
)
Common Mode Gain Error
Output Balance (ΔV
OUTCM
/(ΔV
OUTDIFF
)V
OUTDIFF
= –2V to +2V
l
l
l
1
±0.1
–85
±0.3
–60
1
±0.1
–85
±0.35
–60
%
dB
V
OSCM
Common Mode Offset Voltage
(V
OUTCM
– V
OCM
)
V
S
= 2.7V
V
S
= 5V
V
S
= ±5V
l
l
l
±0.5
±1
±2
±12
±15
±18
±0.5
±1
±2
±15
±17
±20
mV
mV
mV
ΔV
OSCM
/ΔT Common Mode Offset Voltage Drift V
S
= 2.7V
V
S
= 5V
V
S
= ±5V
l
l
l
10
10
10
10
10
10
μV/°C
μV/°C
μV/°C
V
OUTCMR
Output Signal Common Mode Range
(Voltage Range for the V
OCM
Pin)
l
(–V
S
) + 0.5V (+V
S
) – 1.3V (–V
S
) + 0.5V (+V
S
) – 1.3V V
R
INVOCM
Input Resistance, V
OCM
Pin
l
500 500 MΩ
I
BVOCM
Input Bias Current, V
OCM
Pin V
S
= 2.7V to ±5V
l
±2 ±2 pA
V
MID
Voltage at the V
MID
Pin
l
2.44 2.50 2.56 2.43 2.50 2.57 V
V
OUT
Output Voltage, High
(Note 2)
V
S
= 2.7V, Load = 10k
V
S
= 2.7V, Load = 5mA
V
S
= 2.7V, Load = 10mA
l
l
l
2.60
2.50
2.29
2.69
2.61
2.52
2.60
2.50
2.29
2.69
2.61
2.52
V
V
V
Output Voltage, Low
(Note 2)
V
S
= 2.7V, Load = 10k
V
S
= 2.7V, Load = 5mA
V
S
= 2.7V, Load = 10mA
l
l
l
0.02
0.10
0.20
0.10
0.25
0.35
0.02
0.10
0.20
0.10
0.25
0.41
V
V
V
Output Voltage, High
(Note 2)
V
S
= 5V, Load = 10k
V
S
= 5V, Load = 5mA
V
S
= 5V, Load = 10mA
l
l
l
4.90
4.85
4.75
4.99
4.90
4.81
4.90
4.80
4.70
4.99
4.90
4.81
V
V
V
Output Voltage, Low
(Note 2)
V
S
= 5V, Load = 10k
V
S
= 5V, Load = 5mA
V
S
= 5V, Load = 10mA
l
l
l
0.02
0.10
0.20
0.10
0.25
0.35
0.02
0.10
0.20
0.10
0.30
0.42
V
V
V
Output Voltage, High
(Note 2)
V
S
= ±5V, Load = 10k
V
S
= ±5V, Load = 5mA
V
S
= ±5V, Load = 10mA
l
l
l
4.90
4.85
4.65
4.99
4.89
4.80
4.85
4.80
4.60
4.99
4.89
4.80
V
V
V
Output Voltage, Low
(Note 2)
V
S
= ±5V, Load = 10k
V
S
= ±5V, Load = 5mA
V
S
= ±5V, Load = 10mA
l
l
l
–4.99
–4.90
–4.80
–4.90
–4.75
–4.65
–4.98
–4.90
–4.80
–4.85
–4.75
–4.55
V
V
V