Datasheet
9
LT1677
1677fa
Voltage Gain vs Frequency
Common Mode Rejection Ratio
vs Frequency
Power Supply Rejection Ratio
vs FrequencySupply Current vs Supply Voltage
TYPICAL PERFOR A CE CHARACTERISTICS
UW
Common Mode Range
vs Temperature
Long-Term Stability of Four
Representative Units
V
CM
– V
S
–
(V) V
CM
– V
S
+
(V)
–1.0
V
–
V
+
OFFSET VOLTAGE (mV)
OFFSET VOLTAGE (µV)
0.5
1.5
2.5
–0.8
1677 G12
–0.5
–1.5
0
1.0
2.0
–1.0
–2.0
–2.5
50
150
250
–50
–150
0
100
200
–100
–200
–250
1.0
2.0
–0.4
0.4
V
S
= ±2.5V TO ±15V
125°C
125°C
25°C
25°C
–55°C
–55°C
V
OS
IS REFERRED
TO V
CM
= 0V
TIME (HOURS)
0
–5
OFFSET VOLTAGE CHANGE (µV)
–4
–2
–1
0
5
2
200
400
500 900
1677 G14
–3
3
4
1
100 300
600
700
800
SUPPLY VOLTAGE (V)
0
1
SUPPLY CURRENT (mA)
2
3
4
±5 ±10 ±15 ± 20
1677 G15
T
A
= 125°C
T
A
= 25°C
T
A
= –55°C
FREQUENCY (Hz)
40
COMMON MODE REJECTION RATIO (dB)
80
100
140
160
1k 100k 1M 10M
1677 G16
0
10k
120
60
20
V
S
= ±15V
T
A
= 25°C
V
CM
= 0V
FREQUENCY (Hz)
0.01
–20
VOLTAGE GAIN (dB)
60
180
1
100
100M
1677 G18
20
140
100
10k
1M
V
S
= ±15V
T
A
= 25°C
V
CM
= 0V
V
CM
= V
EE
V
CM
= V
CC
FREQUENCY (Hz)
1
POWER SUPPLY REJECTION RATIO (dB)
60
80
100
1k
100k
1677 G17
40
20
0
10 100 10k
120
140
160
1M
POSITIVE SUPPLY
NEGATIVE SUPPLY
V
S
= ±15V
T
A
= 25°C
Overshoot vs Load Capacitance
Voltage Gain vs Supply Voltage
(Single Supply)
SUPPLY VOLTAGE (V)
0
0.1
OPEN LOOP VOLTAGE GAIN (V/µV)
10
100
10 20 30
1677 G19
1
T
A
= 25°C
R
L
TO GND
V
CM
: V
O
= V
S
/2
R
L
= 10k
R
L
= 2k
CAPACITANCE (pF)
10
0
OVERSHOOT (%)
10
20
30
40
60
100 1000
1677 G21
50
RISING
EDGE
FALLING
EDGE
V
S
= ±15V
T
A
= 25°C
R
L
= 10k TO 2k
V
OS
vs Temperature of
Representative Units
TEMPERATURE (°C)
–55
VOLTAGE OFFSET (µV)
–20
100
120
140
1677 G11
–60
60
20
–40
80
–80
40
0
–35 –15 5 25 45 65 85 105 125
V
S
= ±15V
V
CM
= 0V
SO-8
N8
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