LTC1662 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1662' PDF : 12 Pages View PDF
TYPICAL PERFOR A CE CHARACTERISTICS
LTC1662
Integral Nonlinearity (INL) vs
Reference Voltage
4
3 VCC = 5.5V
2
1
MAX POS INL
0
–1
MAX NEG INL
–2
–3
–4
0
1
2
3
4
5
6
VREF (V)
1662 G07
Gain Error vs Temperature
0
VCC = 5V
VREF = 4.096V
–1
–2
–3
–4
–5
–55 –35 –15 5 25 45 65
TEMPERATURE (°C)
85 105
1662 G10
Output Amplifier Current Sourcing
Capability (Midscale)
5.0
4.5 VREF = VCC
CODE = 512
4.0 TA = 25°C
3.5
3.0
VCC = 5.5V
VCC = 5V
VCC = 4.5V
2.5
2.0
1.5
1.0
0.5
0
1µ
VCC = 3.6V
VCC = 3V
VCC = 2.7V
10µ 100µ 1m 10m
OUTPUT SOURCE CURRENT (A)
100m
1662 G13
Differential Nonlinearity (DNL) vs
Reference Voltage
0.75
VCC = 5.5V
0.50
0.25
0
–0.25
MAX POS DNL
MAX NEG DNL
–0.50
–0.75
0
1
2
3
4
5
6
VREF (V)
1662 G08
Load Regulation vs Output
Current at 5V
1.0
0.8
VREF = VCC = 5V
VOUT = 2.5V
0.6 CODE = 512
0.4 TA = 25°C
0.2
0
–0.2
–0.4
–0.6
–0.8
SOURCE
SINK
–1.0
–5 –4 –3 –2 –1 0 1 2 3 4 5
IOUT (mA)
1662 G11
Output Amplifier Current Sinking
Capability (Midscale)
5.0
4.5
VREF = VCC
CODE = 512
4.0 TA = 25°C
3.5
VCC = 5.5V
VCC = 5V
3.0
VCC = 4.5V
2.5
2.0
1.5
1.0
0.5
0
1µ
VCC = 3.6V
VCC = 3V
VCC = 2.7V
10µ 100µ 1m 10m
OUTPUT SINK CURRENT (A)
100m
1662 G14
Offset Voltage vs Temperature
0
VCC = 5V
VREF = 4.096V
–1
–2
–3
–4
–5
–55 –35 –15 5 25 45 65
TEMPERATURE (°C)
85 105
1662 G09
Load Regulation vs Output
Current at 3V
1.0
0.8
VREF = VCC = 3V
VOUT = 1.5V
0.6 CODE = 512
0.4 TA = 25°C
0.2
0
–0.2
–0.4
–0.6
–0.8
SOURCE
SINK
–1.0
–1 –0.8–0.6–0.4– 0.2 0 0.2 0.4 0.6 0.8 1
IOUT (mA)
1662 G12
Max/Min Output Voltage vs Source/
Sink Output Current (VCC = 5V)
5.0
4.5
CODE = 1023
4.0
3.5
3.0
2.5
VREF = VCC
TA = 25°C
2.0
1.5
1.0
0.5
CODE = 0
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
OUTPUT SOURCE/SINK CURRENT (mA)
1662 G15
5
Share Link: 
