LT1722 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LT1722' PDF : 18 Pages View PDF
LT1722/LT1723/LT1724
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current vs Temperature
5.0
PER AMPLIFIER
4.5
4.0
VS = 5V
VS = ±5V
3.5
3.0
2.5
2.0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1723 G01
Input Common Mode Range
vs Supply Voltage
0.5
V+
–0.5
–1.0
–1.5
–1.2
TA = 25°C
2.0 ē(VOS) < 500μV
1.5
1.0
0.5
V–
0
12 3 4 5
SUPPLY VOLTAGE (±V)
67
1723 G02
Input Bias Current
vs Temperature
60
Input Noise Spectral Density
100
10
40
20
0
–20
–40
–60
–50 –25
VS = 5V
IB–
IB+
IB–
IB+
VS = ±5V
0 25 50 75
TEMPERATURE (°C)
100 125
1723 G04
10
1
0.01
in
1
en
0.1
1
10
FREQUENCY (kHz)
0.1
100
1723 G05
Total Noise
vs Unmatched Source Resistance
100
VS = ±5V
TA = 25°C
f = 10kHz
TOTAL NOISE
10
RESISTOR NOISE
1
0.1
0.01
RS
+
–
0.1
1
10
100
SOURCE RESISTANCE, RS (kΩ)
1723 G07
Warm-Up Drift vs Time
30
LT1722S8
TA = 25°C
25 TYPICAL DATA
VS = ±5V
20
15
VS = ±2.5V
10
5
0
0 10 20 30 40 50 60 70 80 90 100
TIME AFTER POWER-UP (SEC)
1723 G08
8
Input Bias Current
vs Common Mode Voltage
400
VS = ±5V
300
200
100
0
–100
TA = 85°C
TA = 25°C
TA = –45°C
TA = 125°C
–200
–300
–400
–5 –4 –3 –2 –1 0 1 2 3 4 5
INPUT COMMON MODE VOLTAGE (V)
1723 G03
Open-Loop Gain
vs Resistive Load
89.0
TA = 25°C
86.5
VS = ±5V, VO = ±3V
84.0
81.5
VS = ±2.5V, VO = ±1V
79.0
76.5
74.0
100
1000
LOAD RESISTANCE (Ω)
10000
1723 G06
VOS Shift vs VCM and VS
300
VS = ±6.3V
TA = 25°C
TYPICAL PART
200
VS = ±6V
100 VS = ±5V
0 VS = ±4V
VS = ±3V
–100
VS = ±2.5V
–200
–300
–5 –4 –3 –2 –1 0 1 2 3 4 5
COMMON MODE VOLTAGE (V)
1723 G09
172234fb
Share Link: 
