Datasheet

LT6105
4
6105fa
ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply over the temperature range
–40°C < T
A
< 85°C (LT6105I), otherwise specifi cations are at T
A
= 25°C. V
+
= 12V, V
–
= 0V, V
S
+
= 12V (see Figure 1), R
IN1
= R
IN2
=
100Ω, R
OUT
= 5k (A
V
= 50), V
SENSE
= V
S
+
– V
S
–
, unless otherwise specifi ed. (Note 5)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
S
+
, V
S
–
Input Voltage Range Guaranteed by CMRR
l
–0.3
–0.3
44
44
V
V
A
V
Error Voltage Gain Error (Note 6) V
SENSE
= 25mV to 75mV, V
S
+
= 12V
l
–1
–1.4
0.1 1
1.4
%
%
V
SENSE
= 25mV to 75mV, V
S
+
= 0V
l
–3 3 %
V
OS
Input Offset Voltage
MS8 Package
V
SENSE
= 5mV
l
–0.3
–0.65
–0.1 0.3
0.65
mV
mV
Input Offset Voltage
DCB Package
V
SENSE
= 5mV
l
–0.4
–0.75
–0.1 0.4
0.75
mV
mV
Input Offset Voltage V
SENSE
= 5mV, V
S
+
= 0V
l
–1
–1.4
–0.3 1
1.4
mV
mV
ΔV
OS
/ΔT
Temperature Coeffi cient of V
OS
l
0.5 μV/°C
CMRR Input Common Mode
Rejection Ratio
V
SENSE
= 5mV, V
S
+
= 2.8V to 44V
l
100
95
120 dB
dB
V
SENSE
= 5mV, V
S
+
= –0.3V to 44V
V
SENSE
= 5mV, V
S
+
= –0.1V to 44V
l
94
90
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
120 dB
dB
V
SENSE
= 5mV, V
S
+
= 0V, V
+
= 2.85V to 36V
l
98
94
120 dB
dB
I
(+IN)
, I
(–IN)
Input Current V
SENSE
= 0V, V
S
+
= 3V
V
SENSE
= 0V, V
S
+
= 0V
l
l
16
–0.05
27 μA
μA
I
(+IN)
– I
(–IN)
Input Offset Current V
SENSE
= 0V, V
S
+
= 3V
V
SENSE
= 0V, V
S
+
= 0V
l
l
0.08
0.01
0.6 μA
μA
I
(+IN) +
I
(–IN)
Input Current (Power-Down) V
+
= 0V, V
S
+
= 44V, V
SENSE
= 0V
l
0.035 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
250
325
375
μA
μA
V
O(MIN)
Minimum Output Voltage V
SENSE
= 0mV, V
S
+
= 44V, V
+
= 36V
l
40 mV
V
O(MAX)
Output High (Referred to V
+
)V
SENSE
= 120mV, A
V
= 100, R
OUT
= 10k
l
1.27 1.6 V
I
OUT
Maximum Output Current Guaranteed by V
O(MAX)
l
1mA
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
–
)
I
(+IN) +
I
(–IN)
= –5mA
l
–9.5 –12 V