Linear Technology DC1192A - LT6105 Current Sense Demo Board DC1192A DC1192A Data Sheet
Product codes
DC1192A
LT6105
3
6105fa
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
S
+
, V
S
–
Input Voltage Range
Guaranteed by CMRR
l
–0.3
–0.1
–0.1
44
44
44
V
V
V
A
V
Error
Voltage Gain Error (Note 6)
V
SENSE
= 25mV to 75mV, V
S
+
= 12V
l
–1
–1.3
0.1
1
1.3
%
%
%
V
SENSE
= 25mV to 75mV, V
S
+
= 0V
l
–2.5
2.5
%
V
OS
Input Offset Voltage
MS8
MS8
Package
V
SENSE
= 5mV
l
–0.3
–0.6
–0.6
–0.1
0.3
0.6
0.6
mV
mV
mV
Input Offset Voltage
DCB
DCB
Package
V
SENSE
= 5mV
l
–0.4
–0.7
–0.7
–0.1
0.4
0.7
0.7
mV
mV
mV
Input Offset Voltage
V
SENSE
= 5mV, V
S
+
= 0V
l
–1
–1.3
–0.3
1
1.3
mV
mV
mV
ΔV
OS
/
ΔT
Temperature Coeffi cient of V
OS
l
0.5
μV/°C
CMRR
Input Common Mode
Rejection Ratio
Rejection Ratio
V
SENSE
= 5mV, V
S
+
= 2.8V to 44V
l
100
95
120
dB
dB
dB
V
SENSE
= 5mV, V
S
+
= –0.3V to 44V
V
SENSE
= 5mV, V
S
+
= –0.1V to 44V
l
94
90
90
dB
dB
dB
V
+
Power Supply Voltage Range
Guaranteed by PSRR
l
2.85
36
V
PSRR
Power Supply Rejection Ratio
V
SENSE
= 5mV, V
S
+
= 12V, V
+
= 2.85V to 36V
l
98
94
94
120
dB
dB
dB
V
SENSE
= 5mV, V
S
+
= 0V, V
+
= 2.85V to 36V
l
98
94
94
120
dB
dB
dB
I
(+IN)
, I
(–IN)
Input Current
V
SENSE
= 0V, V
S
+
= 3V
V
SENSE
= 0V, V
S
+
= 0V
l
l
15
–0.05
25
μA
μA
μA
I
(+IN)
– I
(–IN)
Input Offset Current
V
SENSE
= 0V, V
S
+
= 3V
V
SENSE
= 0V, V
S
+
= 0V
l
l
0.05
0.005
0.5
μA
μA
μA
I
(+IN) +
I
(–IN)
Input Current (Power-Down)
V
+
= 0V, V
S
+
= 44V, V
SENSE
= 0V
l
0.03
1
μA
I
S
V
+
Supply Current
V
SENSE
= 0V, V
S
+
= 3V, V
+
= 2.85V
V
SENSE
= 0V, V
S
+
= 3V, V
+
= 36V
l
l
200
240
240
300
350
350
μA
μA
μA
V
O(MIN)
Minimum Output Voltage
V
SENSE
= 0mV, V
S
+
= 44V, V
+
= 36V
l
35
mV
V
O(MAX)
Output High (Referred to V
+
)
V
SENSE
= 120mV, A
V
= 100, R
OUT
= 10k
l
1.25
1.5
V
I
OUT
Maximum Output Current
Guaranteed by V
O(MAX)
l
1
mA
I
SC
Short-Circuit Output Current
V
S
+
= 44V, V
S
–
= 0V, R
OUT
= 0Ω
l
1.5
mA
BW
–3dB Bandwidth
V
SENSE
= 50mV, A
V
= 10V/V
100
kHz
t
S
Output Settling to 1% of Final Value V
SENSE
= 5mV to 100mV
5
μs
t
r
Input Step Response (Note 7)
V
SENSE
= 5mV to 100mV
3
μs
SR
Slew Rate (Note 8)
V
SENSE
= 5mV to 150mV, A
V
= 50V/V, R
IN
= 400Ω
1.75
2
V/μs
V
REV
Reverse Input Voltage
(Referred to V
(Referred to V
–
)
I
(+IN) +
I
(–IN)
= –5mA
l
–9.5
–12
V
The
l
denotes the specifi cations which apply over the temperature range
0°C < T
A
< 70°C (LT6105C), otherwise specifi cations are at T
A
= 25°C. V
+
= 12V, V
–
= 0V, V
S
+
= 12V (see Figure 1), R
IN1
= R
IN2
= 100
Ω,
R
OUT
= 5k (A
V
= 50), V
SENSE
= V
S
+
– V
S
–
, unless otherwise specifi ed. (Note 5)