DAC8565ICPWG4 Datasheet, PDF (14/49 Pages) Texas Instruments – 16-Bit, Quad Channel, Ultra-Low Glitch, Voltage Output

DAC8565
SBAS411C – JUNE 2007 – REVISED MARCH 2011
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TYPICAL CHARACTERISTICS: DAC at AV_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.
TOTAL HARMONIC DISTORTION
vs OUTPUT FREQUENCY
TOTAL HARMONIC DISTORTION
vs OUTPUT FREQUENCY
-40
AV_DD = 5V, External V_REF = 4.9V, Ch A
-50 ^{-1dB FSR Digital Input, fS = 225kSPS}
Measurement Bandwidth = 20kHz
-40
AV_DD = 5V, External V_REF = 4.9V, Ch B
-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 37.
-60
THD
-70
-80
-90
-100
0
1
2nd Harmonic
3rd Harmonic
2
3
4
5
f_OUT (kHz)
Figure 38.
TOTAL HARMONIC DISTORTION
vs OUTPUT FREQUENCY
-40
AV_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 39.
TOTAL HARMONIC DISTORTION
vs OUTPUT FREQUENCY
-40
AV_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
4
5
f_OUT (kHz)
Figure 40.
POWER-SUPPLY CURRENT
HISTOGRAM
60
AV_DD = 5.5V
50 ^{Internal VREF Included}
40
30
20
10
0
950
1000
1050
1100
1150
Power-Supply Current (mA)
Figure 41.
1200
14
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