Datasheet

LT6108-1/LT6108-2
7
610812fa
Amplifier Input Bias Current
vs Temperature
Amplifier Step Response
(V
SENSE
= 0mV to 100mV)
Amplifier Step Response
(V
SENSE
= 0mV to 100mV)
Amplifier Step Response
(V
SENSE
= 10mV to 100mV)
Amplifier Step Response
(V
SENSE
= 10mV to 100mV)
Amplifier Gain vs Frequency
LT6108-1 Step Response
LT6108-2 Step Response
TYPICAL PERFORMANCE CHARACTERISTICS
Performance characteristics taken at T
A
= 25°C,
V
+
= 12V, V
PULLUP
= V
+
, V
EN
= V
EN/RST
= 2.7V, R
IN
= 100Ω, R
OUT
= R1 + R2 = 10k, gain = 100, R
C
= 25.5k, C
L
= C
LC
= 2pF, unless
otherwise noted. (See Figure 3)
FREQUENCY (Hz)
22
GAIN (dB)
28
34
40
46
1k 100k 1M 10M
610812 G10
16
10k
I
OUTA
= 1mA
I
OUTA
= 100µA
G = 100, R
OUT
= 10k
G = 50, R
OUT
= 5k
G = 20, R
OUT
= 2k
0V
V
SENSE
100mV/DIV
V
OUTA
1V/DIV
V
OUTC
2V/DIV
V
EN/RST
5V/DIV
0V
0V
0V
610812 G11
2µs/DIV
R
OUT
= 2k
100mV INC OVERDRIVE
0V
V
SENSE
100mV/DIV
V
OUTA
1V/DIV
V
OUTC
2V/DIV
0V
0V
610812 G12
2µs/DIV
R
OUT
= 2k,100mV INC OVERDRIVE
TEMPERATURE (°C)
–25
INPUT BIAS CURRENT (nA)
60
80
100
95
610812 G13
40
20
50
70
90
30
10
0
5
35
65
–10–40 110
20
50
80
125
SENSEHI
SENSELO
V
OUTA
2V/DIV
V
SENSE
50mV/DIV
0V
0V
610812 G14
2µs/DIV
R
IN
= 100Ω
G = 100V/V
V
OUTA
2V/DIV
V
SENSE
50mV/DIV
0V
0V
610812 G15
2µs/DIV
R
IN
= 100Ω
G = 100V/V
0V
0V
V
OUTA
1V/DIV
V
SENSE
100mV/DIV
610812 G16
2µs/DIV
R
IN
= 1k
R
OUT
= 20k
G = 20V/V
0V
0V
V
OUTA
1V/DIV
V
SENSE
100mV/DIV
610912 G17
2µs/DIV
R
IN
= 1k
R
OUT
= 20k
G = 20V/V
Common Mode Rejection Ratio
vs Frequency
FREQUENCY (Hz)
1
0
COMMON MODE REJECTION RATIO (dB)
120
100
140
10 100 1k 10k 100k 1M 10M
610812 G09
80
60
40
20