DAC8565 Datasheet, PDF (14/46 Pages) Texas Instruments – 16-Bit, Quad Channel, Ultra-Low Glitch, Voltage Output DIGITAL-TO-ANALOG CONVERTER with 2.5V, 2ppm/°C Internal Reference

DAC8565
SBAS411A – JUNE 2007 – REVISED NOVEMBER 2007
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TYPICAL CHARACTERISTICS: DAC at V_DD = 5V (continued)
At T_A = +25°C, external reference used, DAC output not loaded, and all DAC codes in straight binary data format, unless
otherwise noted.
POWER-SUPPLY CURRENT
HISTOGRAM
60
V_DD = 5.5V
50 ^{Internal VREF Included}
40
TOTAL HARMONIC DISTORTION
vs OUTPUT FREQUENCY
-40
V_DD = 5V, External V_REF = 4.9V, Ch A
-50 ^{-1dB FSR Digital Input, fS = 225kSPS}
Measurement Bandwidth = 20kHz
-60
30
20
10
0
950
1000
1050
1100
1150
Power-Supply Current (mA)
Figure 37.
1200
-70
THD
-80
3rd Harmonic
-90
2nd Harmonic
-100
0
1
2
3
4
5
f_OUT (kHz)
Figure 38.
TOTAL HARMONIC DISTORTION
vs OUTPUT FREQUENCY
-40
V_DD = 5V, External V_REF = 4.9V, Ch B
-50 ^{-1dB FSR Digital Input, fS = 225kSPS}
Measurement Bandwidth = 20kHz
-60
THD
-70
-80
2nd Harmonic
-90
3rd Harmonic
-100
0
1
2
3
4
5
f_OUT (kHz)
Figure 39.
TOTAL HARMONIC DISTORTION
vs OUTPUT FREQUENCY
-40
V_DD = 5V, External V_REF = 4.9V, Ch C
-50 ^{-1dB FSR Digital Input, fS = 225kSPS}
Measurement Bandwidth = 20kHz
-60
-70
THD
-80
3rd Harmonic
-90
2nd Harmonic
-100
0
1
2
3
4
5
f_OUT (kHz)
Figure 40.
TOTAL HARMONIC DISTORTION
vs OUTPUT FREQUENCY
-40
V_DD = 5V, External V_REF = 4.9V, Ch D
-50 ^{-1dB FSR Digital Input, f}S ^{= 225kSPS}
Measurement Bandwidth = 20kHz
-60
-70
THD
-80
2nd Harmonic
-90
-100
3rd Harmonic
-110
0
1
2
3
f_OUT (kHz)
Figure 41.
4
5
14
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