Datasheet

6
LT1672/LT1673/LT1674
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
Output Saturation Voltage
vs Load Current (Output Low)
Input Bias Current
vs Common Mode Voltage
Output Saturation Voltage
vs Load Current (Output High)
Noise Current Spectrum
Gain and Phase Shift
vs Frequency
Noise Voltage Spectrum
LOAD CURRENT (µA)
0.1
10
SATURATION VOLTAGE (mV)
100
1000
101 1000100
1672/3/4 G04
V
S
= 5V, 0V
T
A
= 85°C
T
A
= –40°C
T
A
= 25°C
LOAD CURRENT (µA)
0.1
10
SATURATION VOLTAGE (mV)
100
1000
101 1000100
1672/3/4 G05
V
S
= 5V, 0V
T
A
= 85°C
T
A
= –40°C
T
A
= 25°C
COMMON MODE VOLTAGE (V)
0
INPUT BIAS CURRENT (nA)
100
200
300
8
1672/3/4 G06
1.5
0.5
–0.5
2
4
6
1–1 9
3
5
7
10
V
S
= 5V, 0V
T
A
= 85°C
T
A
= 85°C
T
A
= 25°C
T
A
= –40°C
T
A
= –40°C
T
A
= 25°C
FREQUENCY (Hz)
1
0
NOISE VOLTAGE (nV/√Hz)
50
100
150
200
300
10 100
1672/3/4 G08
250
V
S
= ±2.5V
FREQUENCY (Hz)
1
0
CURRENT NOISE (fA/√Hz)
20
40
60
80
10 100
1672/3/4 G09
100
V
S
= ±2.5V
Distribution of Input
Offset Voltage
Supply Current vs Temperature
Minimum Supply Voltage
TOTAL SUPPLY VOLTAGE (V)
1
CHANGE IN OFFSET VOLTAGE (µV)
100
150
200
5
1672/3/4 G03
50
–50
0
2
3
4
T
A
= 85°C
T
A
= –40°C
T
A
= 25°C
TEMPERATURE (°C)
–40
SUPPLY CURRENT PER AMPLIFIER (µA)
3.0
2.5
2.0
1.5
1.0
0.5
0
20 60
1672/3/4 G02
–20 0
40 80 100
V
S
= ±2.5V
V
S
= ±15V
INPUT OFFSET VOLTAGE (µV)
–400
PERCENT OF UNITS (%)
20
18
16
14
12
10
8
6
4
2
0
–200
0
100
1672/73/74 G01
–300 –100
200
300
400
V
S
= 5V, 0V
LT1672/73/74
5600 AMPLIFIERS
FREQUENCY (Hz)
100
VOLTAGE GAIN (dB)
90
80
70
60
50
40
30
20
10
0
–10
120
100
80
60
40
20
0
–20
–40
–60
–80
1k 10k
1672/3/4 G07
PHASE
GAIN
V
S
= ±2.5V
PHASE SHIFT (DEG)