LTC1669IMS8-PBF Ver la hoja de datos (PDF) - Linear Technology
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LTC1669IMS8-PBF Datasheet PDF : 16 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LTC1669
Integral Nonlinearity (INL)
1.0
0.8
VREF = VCC = 5V
TA = 25°C
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
28 156 384 512 640 768 896 1024
CODE
1669 G01
Differential Nonlinearity (DNL)
1.0
0.8
VREF = VCC = 5V
TA = 25°C
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
28 156 384 512 640 768 896 1024
CODE
1669 G02
Source and Sink Current
Capability with VCC = 5V
5.0
4.5
DAC CODE = 1023
4.0
TA = 25°C
3.5
3.0
2.5
2.0
1.5
1.0
DAC CODE = 0
0.5
0
0 1 2 3 4 5 6 7 8 9 10
OUTPUT CURRENT SOURCE/SINK (mA)
1669 G03
Large-Signal Step Response
Midscale Glitch
5
SDA
(VOLTS) 0
5
4
3
VOUT
(VOLTS) 2
1
0
CODE = 990
VCC = 5V
RL = 4.7k
CL = 100pF
TA = 25°C
CODE = 32
5V
SDA
0V
VOUT
10mV/DIV
5μs/DIV
1669 G04
CODE = 512 TO 511
2μs/DIV
VCC = 5V
RL = 4.7k
CL = 100pF
TA = 25°C
1669 G05
Load Regulation vs Output Current
1.0
0.8
VCC = VREF = 5V
VOUT = 2.5V
0.6
CODE = 512
TA = 25°C
0.4
0.2
0
–0.2
SOURCE
–0.4
SINK
–0.6
–0.8
–1.0
–4 –3 –2 –1 0 1 2 3 4
IOUT (mA)
1669 G06
Load Regulation vs Output Current
1.0
0.8
VCC = VREF = 3V
VOUT = 1.5V
0.6
CODE = 512
TA = 25°C
0.4
0.2
0
–0.2
SOURCE
–0.4
SINK
–0.6
–0.8
–1.0
–1.0 –0.8 –0.6 –0.4 –0.2 0 0.2 0.4 0.6 0.8 1.0
IOUT (mA)
1669 G07
Offset Error Voltage vs
Temperature
5
4
3
2
1
0
–1
–2
–3
–4
–5
–60 –40 –20 0 20 40 60
TEMPERATURE (°C)
80 100
1669 G08
Full-Scale Output Voltage vs
Temperature
2.510
2.508
2.506
REFERENCE SET TO
INTERNAL BANDGAP
2.504
2.502
2.500
2.498
2.496
2.494
2.492
2.490
–60 –40 –20 0 20 40 60 80 100
TEMPERATURE (°C)
1669 G09
1669fa
5
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