Datasheet
LT6109-1/LT6109-2
6
610912fa
Performance characteristics taken at T
A
= 25°C,
V
+
= 12V, V
PULLUP
= V
+
, V
EN/RST
= 2.7V, R
IN
= 100Ω, R
OUT
= R1 + R2 + R3 = 10k, gain = 100, R
C
= 25.5k, C
L
= C
LC
= 2pF, unless
otherwise noted. (See Figure 3)
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
System Step Response
Common Mode Rejection Ratio
vs Frequency
TYPICAL PERFORMANCE CHARACTERISTICS
FREQUENCY (Hz)
1
0
COMMON MODE REJECTION RATIO (dB)
120
100
140
10 100 1k 10k 100k 1M 10M
610912 G10
80
60
40
20
FREQUENCY (Hz)
22
GAIN (dB)
28
34
40
46
1k 100k 1M 10M
610912 G11
16
10k
I
OUTA
= 1mA
I
OUTA
= 100µA
G = 100
G = 50, R
OUT
= 5k
G = 20, R
OUT
= 2k
0V
V
SENSE
100mV/DIV
V
OUTA
1V/DIV
V
OUTC1
2V/DIV
V
EN/RST
5V/DIV
0V
0V
0V
610912 G12
2µs/DIV
R
OUT
= 2k,100mV INC1 OVERDRIVE
TEMPERATURE (°C)
–25
INPUT BIAS CURRENT (nA)
60
80
100
95
610912 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
610912 G14
2µs/DIV
R
IN
= 100Ω
G = 100V/V
V
OUTA
2V/DIV
V
SENSE
50mV/DIV
0V
0V
610912 G15
2µs/DIV
R
IN
= 100Ω
G = 100V/V
0V
0V
V
OUTA
1V/DIV
V
SENSE
100mV/DIV
610912 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
Power Supply Rejection Ratio
vs Frequency
FREQUENCY (Hz)
1
0
POWER SUPPLY REJECTION RATIO (dB)
120
100
140
160
10 100 1k 10k 100k 1M 10M
610912 G09
80
60
40
20