LT6118_15 Datasheet, PDF (6/24 Pages) Linear Technology – Current Sense Amplifier, Reference and Comparator with POR

LT6118
Typical Performance Characteristics _V+
=
12V,
V_PULLUP
=
V⁺,
V_LE
=
2.7V,
R_IN
=
100Ω,
R_OUT
=
R1
+
R2
=
10k,
gain
=
Performance characteristics taken
100, R_C = 25.5k, C_L = C_LC = 2pF, unless
at T_A = 25°C,
otherwise noted.
(See Figure 2)
Amplifier Input Bias Current
vs Temperature
100
90
80
Amplifier Step Response
(V_SENSE = 0mV to 100mV)
R_IN = 100Ω
G = 100V/V
70
60
SENSEHI
V_OUTA
2V/DIV
50
SENSELO
40
0V
30
20
V_SENSE
50mV/DIV
10
0V
0
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
2µs/DIV
6118 G14
6118 G13
Amplifier Step Response
(V_SENSE = 10mV to 100mV)
R_IN = 100Ω
G = 100V/V
V_OUTA
2V/DIV
0V
V_SENSE
50mV/DIV
0V
2µs/DIV
6118 G15
Amplifier Step Response
(V_SENSE = 0mV to 100mV)
R_IN = 1k
R_OUT = 20k
G = 20V/V
V_OUTA
1V/DIV
Amplifier Step Response
(V_SENSE = 10mV to 100mV)
R_IN = 1k
R_OUT = 20k
G = 20V/V
V_OUTA
1V/DIV
0V
0V
V_SENSE
100mV/DIV
0V
V_SENSE
100mV/DIV
0V
2µs/DIV
Power Supply Rejection Ratio
vs Frequency
160
140
120
100
80
60
40
20
0
1 10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
6118 G18
6
6118 G16
Comparator Threshold
Distribution
25
20
15
10
5
0
396 397.6 399.2 400.8 402.8 404
COMPARATOR THRESHOLD (mV)
6118 G19
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2µs/DIV
6118 G17
Comparator Threshold
vs Temperature
408
5 TYPICAL UNITS
406
404
402
400
398
396
394
392
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
6118 G20
6118f