MAX522CSA Ver la hoja de datos (PDF) - Maxim Integrated
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MAX522CSA Datasheet PDF : 12 Pages
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Dual, 8-Bit, Voltage-Output
Serial DAC in 8-Pin SO Package
__________________________________________Typical Operating Characteristics
(TA = +25°C, unless otherwise noted.)
OUTPUT VOLTAGE vs.
OUTPUT SOURCE CURRENT (VDD = 3V)
3.5
DAC A
3.0
2.5
DAC B
2.0
1.5
1.0
0.5
REF = VDD = 3V
CODE = ALL 1s
0
0.0001 0.001 0.01 0.1 1 10 100
OUTPUT SOURCE CURRENT (mA)
TOTAL UNADJUSTED ERROR
vs. DIGITAL CODE
0
DAC A LOADED WITH 5mA
-5
-10 DAC B LOADED WITH 0.5mA
-15
-20
-25
-30
REF = VDD = 3V
-35
0 32 64 96 128 160 192 224 255
DIGITAL CODE
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
4.5
REF = VDD = 5V
4.0 ALL LOGIC INPUTS = 5V
ALL DACs SET TO ALL 1s
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
-60 -40 -20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
OUTPUT VOLTAGE vs.
OUTPUT SOURCE CURRENT (VDD = 5V)
5.2
5.0
DAC A
4.8
DAC B
4.6
4.4
4.2
4.0 REF = VDD = 5V
CODE = ALL 1s
3.8
0.0001 0.001 0.01 0.1 1
10 100
OUTPUT SOURCE CURRENT (mA)
POSITIVE SUPPLY CURRENT
vs. SUPPLY VOLTAGE
1.5
1.4 REF = VDD
ALL LOGIC INPUTS GROUNDED
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
2.5 3.0 3.5 4.0 4.5 5.0 5.5
VDD (V)
REFERENCE FEEDTHROUGH
vs. FREQUENCY
0
VDD = 3V
-20
VREF = 0V TO 2.9V SINE WAVE
NO LOAD
CODE = ALL 0s
-40
-60
-80
DAC A, B
-100
-120
0.01
0.1
1
10 100
FREQUENCY (kHz)
1000
OUTPUT VOLTAGE vs.
OUTPUT SINK CURRENT
900
800
REF = VDD = 3V
CODE = ALL 1s
DAC A
700
600
500
DAC B
400
300
200
100
0
0.0001 0.001 0.01 0.1 1 10 100
OUTPUT SINK CURRENT (mA)
POSITIVE SUPPLY CURRENT
vs. TEMPERATURE
1.370
1.365
1.360
1.355
1.350
1.345
1.340
-60 -40 -20 0
REF = VDD = 5V
ALL LOGIC INPUTS = 5V
ALL DACs SET TO ALL 1s
20 40 60 80 100 120 140
TEMPERATURE (°C)
REFERENCE LARGE-SIGNAL
FREQUENCY RESPONSE
5
0
-5
-10
-15
-20 VDD = 3V
VREF = 0V TO VDD SINE WAVE
-25
0.001 0.01 0.1 1 10 100 1000
FREQUENCY (kHz)
4 _______________________________________________________________________________________
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