Datasheet

LT6105
7
6105fa
TEMPERATURE (°C)
–50
GAIN ERROR (%)
–25 0 5025 75 100 125
6105 G09
–0.5
–0.3
–0.1
0.1
0.3
0.5
–0.4
–0.2
0.0
0.2
0.4
V
+
= 12V
V
SENSE
= 50mV
R
IN
= 100Ω
A
V
= 50V/V
TYPICAL PERFORMANCE CHARACTERISTICS
Gain Error Distribution,
V
S
+
= 0V Gain Error vs Input Voltage
Gain Error vs Temperature,
V
S
+
= 12V
Gain Error vs Output Resistance
Input Referred Voltage Error
vs V
SENSE
, V
S
+
= 0V
Gain Error vs Temperature,
V
S
+
= 0V
Input Referred Voltage Error
vs V
SENSE
, V
S
+
= 12V
Input Bias Current
vs Input Voltage
Input Current vs Input Voltage,
V
SENSE
= 50mV
V
SENSE
(mV)
0
–2
INPUT REFERRED ERROR (mV)
0
20 40 8060 100
2
–1
1
120
6105 G12
V
+
= 12V
R
IN
= 100Ω
A
V
= 50V/V
T
A
= –40°C
T
A
= 25°C
T
A
= 85°C
T
A
= 125°C
V
SENSE
(mV)
0
INPUT REFERRED ERROR (mV)
20 40 8060 100 120
6105 G13
T
A
= –40°C
–5.0
–3.0
–1.0
1.0
3.0
5.0
–4.0
–2.0
0.0
2.0
4.0
V
+
= 12V
R
IN
= 100Ω
A
V
= 50V/V
T
A
= 85°C
T
A
= 25°C
T
A
= 125°C
V
S
+
INPUT VOLTAGE (V)
0
–100.00
INPUT BIAS CURRENT (μA)
–1.00
–0.01
0.01
0.5
1
1.5 2 2.5
1.00
100.00
–10.00
–0.10
0
0.1
10.00
3
6105 G14
V
+
= 3V
V
SENSE
= 0V
R
IN
= 100Ω
T
A
= –40°C
T
A
= 125°C
T
A
= 85°C
T
A
= 25°C
V
S
+
INPUT VOLTAGE (V)
0
INPUT CURRENT (mA)
1.0
1.5
35
0.5
0.0
10 20
5
15 25
40
30 45
–1.5
–2.0
–0.5
2.0
–1.0
6105 G15
I
(+IN)
I
(–IN)
V
+
= 12V
R
IN
= 100Ω
A
V
= 50V/V
V
S
+
INPUT VOLTAGE (V)
0
GAIN ERROR (%)
2
3
35
1
0
10 20
5
15 25
40
30 45
–3
–4
–1
4
–2
6105 G08
T
A
= 25°C
T
A
= 85°C
T
A
= 125°C
V
+
= 12V
V
SENSE
= 50mV
R
IN
= 100Ω
A
V
= 50V
T
A
= –40°C
GAIN ERROR (%)
–2.3
PERCENT OF UNITS (%)
25
30
35
–1.6
20
15
–2.1 –1.9
–2.2
–2.0 –1.8
–1.5
–1.7 –1.4
5
0
10
45
40
6105 G07
V
+
= 12V
V
SENSE
= 50mV
R
IN
= 100Ω
A
V
= 50V/V
500 SAMPLES
TEMPERATURE (°C)
–4.0
GAIN ERROR (%)
–3.2
–2.4
–1.6
–0.8
0
–3.6
–2.8
–2.0
–1.2
–0.4
6105 G10
V
+
= 12V
V
SENSE
= 50mV
R
IN
= 100Ω
A
V
= 50V/V
–50 –25 0 5025 75 100 125
R
OUT
OUTPUT RESISTANCE (Ω)
0
GAIN ERROR (%)
–2
3
4
5
6
2000
4000
6000
–4
1
–3
2
–5
–6
0
–1
8000
10000
6105 G11
V
IN
= 12V
V
SENSE
= 50mV
R
IN
= 100Ω
A
V
= R
OUT
/R
IN
V
S
+
= 12V
V
S
+
= 0V