Datasheet

0
-20
-40
-60
-80
-100
-120
-140
20151050
Gain(dB)
Frequency(Hz)
AV
DD REF
=5.5V,ExternalV =5V
f
OUT S
=1kHz,f =225kSPS
MeasurementBandwidth=20kHz
-40
-50
-60
-70
-80
-90
-100
51 2 3 40
THD(dB)
f (kHz)
OUT
AV
DD REF
=5.5V,ExternalV =5V
f
S
=225kSPS, -1dBFSRDigitalInput
MeasurementBandwidth=20kHz
ChA
ChB
ChC
ChD
ChE
ChF
ChG
ChH
-50
-60
-70
-80
-90
-100
51 2 3 40
THD(dB)
f (kHz)
OUT
AV
DD REF
=5.5V,ExternalV =5V
f
S
=225kSPS, 1dBFSRDigitalInput-
MeasurementBandwidth=20kHz
ChA
ChB
ChC
ChD
ChE
ChF
ChG
ChH
-40
-50
-60
-70
-80
-90
51 2 3 40
THD(dB)
f (kHz)
OUT
AV =5.5V,ExternalV =5V
DD REF
f =225kSPS, 1dBFSRDigitalInput-
S
MeasurementBandwidth=20kHz
ChA
ChB
ChC
ChD
ChE
ChF
ChG
ChH
ZoomedRisingEdge
200 V/divm
AV =5.5V
DD
FromCode:0000h
ToCode:FFFFh
InternalReferenceEnabled
Rising
Edge
1V/div
TriggerPulse5V/div
Time(2ms/div)
200mV/div
AV
DD
=5.5V
FromCode:FFFFh
ToCode:0000h
Falling
Edge
1V/div
TriggerPulse5V/div
InternalReferenceEnabled
Time(2ms/div)
ZoomedFallingEdge
DAC7568
DAC8168
DAC8568
SBAS430D –JANUARY 2009–REVISED MAY 2012 www.ti.com
TYPICAL CHARACTERISTICS: DAC at AV
DD
= 5.5V (continued)
Channel-specific information provided as examples. At T
A
= +25°C, external reference used, DAC output not loaded, and all
DAC codes in straight binary data format, unless otherwise noted.
SECOND HARMONIC DISTORTION
POWER SPECTRAL DENSITY vs OUTPUT FREQUENCY
Figure 48. Figure 49.
THIRD HARMONIC DISTORTION TOTAL HARMONIC DISTORTION
vs OUTPUT FREQUENCY vs OUTPUT FREQUENCY
Figure 50. Figure 51.
FULL-SCALE SETTLING TIME: FULL-SCALE SETTLING TIME:
5V RISING EDGE 5V FALLING EDGE
Figure 52. Figure 53.
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