MAX533 Просмотр технического описания (PDF) - Maxim Integrated
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MAX533 Datasheet PDF : 16 Pages
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2.7V, Low-Power, 8-Bit Quad DAC
with Rail-to-Rail Output Buffers
__________________________________________Typical Operating Characteristics
(VDD = +3V, TA = +25°C, unless otherwise noted.)
DAC ZERO-CODE OUTPUT VOLTAGE vs.
OUTPUT SINK CURRENT
1.50
DAC CODE = 00 HEX
1.25 LOAD TO VDD
1.00
0.75 VDD = VREF = 3.0V
0.50
VDD = VREF = 5.0V
0.25
0
0 12 345 6 7 8
DAC OUTPUT SINK CURRENT (mA)
DAC FULL-SCALE OUTPUT VOLTAGE vs.
OUTPUT SOURCE CURRENT
5.0
4.5
VDD = VREF = 5.0V
4.0
DAC CODE = FF HEX
3.5 LOAD TO GND
3.0
2.5
2.0
0
VDD = VREF = 3.0V
2 4 6 8 10 12
DAC OUTPUT SOURCE CODE (mA)
SUPPLY CURRENT vs.
TEMPERATURE
1000
DAC CODE = FF HEX
800
600
VDD = +5.0V
VREF = +4.5V
VDD = +3.0V
VREF = +2.5V
400
DAC CODE = 00 HEX
200
0
-55 -35 -15 5 25 45 65 85 105 125
TEMPERATURE (°C)
SHUTDOWN SUPPLY CURRENT vs.
TEMPERATURE
5
3
3
VDD = +5.0V
2
SUPPLY CURRENT vs.
REFERENCE VOLTAGE (VDD = +3.0V)
1000
800
ALL DAC CODES = FF HEX
600
400
ALL DAC CODES = 00 HEX
SUPPLY CURRENT vs.
REFERENCE VOLTAGE (VDD = +5.0V)
1000
ALL DAC CODES = FF HEX
800
600
ALL DAC CODES = 00 HEX
400
1
VDD = +3.0V
200
200
0
-55 -35 -15 5 25 45 65 85 105 125
TEMPERATURE (°C)
0
0 0.5 1.0 1.5 2.0 2.5 3.0
REFERENCE VOLTAGE (V)
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
REFERENCE VOLTAGE (V)
THD + NOISE AT DAC OUTPUT vs.
REFERENCE AMPLITUDE
-30
VDD = +3.0V
VREF = SINE WAVE
CENTERED AT 1.2V
-40 DAC C0DE = FF HEX
80kHz LOWPASS FILTER
-50
VREF = 20kHz
THD + NOISE AT DAC OUTPUT vs.
REFERENCE FREQUENCY
-20
VDD = +3.0V
VREF = SINE WAVE
-30 CENTERED AT 1.2V
DAC CODE = FF HEX
500kHz LOWPASS FILTER
-40
VREF = 2Vp-p
-50
-60
VREF = 1kHz
VREF = 1VP-P
-60
-70
0
0.5
1.0
1.5
2.0
REFERENCE AMPLITUDE (Vp-p)
-70
1
VREF = 0.5Vp-p
0.1
1
10
100
FREQUENCY (kHz)
_______________________________________________________________________________________ 5
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