Datasheet

0 54321
f (kHz)
OUT
SNR(dB)
94
92
90
88
86
84
82
80
78
76
74
AllChannels
AV =5V,ExternalV
DD REF
=4.99V
-1dBFSRDigitalInput,f =225kSPS
S
MeasurementBandwidth=20kHz
ChannelA
ChannelD
ChannelB
ChannelC
0 2015105
Frequency(Hz)
Gain(dB)
0
-20
-40
-60
-80
-100
-120
-140
AV =5V,ExternalV
DD REF
=4.99V
f
OUT S
=1kHz,f =225kSPS
MeasurementBandwidth=20kHz
Time(2 s/div)m
AV =5V
ExtV =4.096V
FromCode:0000h
ToCode:0FFFh
DD
REF
TriggerPulse5V/div
ZoomedRisingEdge
1mV/div
RisingEdge
1V/div
Time(2 s/div)m
AV =5V
ExtV =4.096V
FromCode:0FFFh
ToCode:0000h
DD
REF
TriggerPulse5V/div
ZoomedFallingEdge
1mV/div
Falling
Edge
1V/div
Time(2 s/div)m
AV =5V
ExtV =4.096V
FromCode:0400h
ToCode:0C00h
DD
REF
TriggerPulse5V/div
ZoomedRisingEdge
1mV/div
Rising
Edge
1V/div
Time(2 s/div)m
AV =5V
ExtV =4.096V
FromCode:0C00h
ToCode:0400h
DD
REF
TriggerPulse5V/div
ZoomedFallingEdge
1mV/div
Falling
Edge
1V/div
DAC7565
www.ti.com SBAS412B –FEBRUARY 2008–REVISED MARCH 2011
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.
SIGNAL-TO-NOISE RATIO
vs OUTPUT FREQUENCY POWER SPECTRAL DENSITY
Figure 42. Figure 43.
FULL-SCALE SETTLING TIME: FULL-SCALE SETTLING TIME:
5V RISING EDGE 5V FALLING EDGE
Figure 44. Figure 45.
HALF-SCALE SETTLING TIME: HALF-SCALE SETTLING TIME:
5V RISING EDGE 5V FALLING EDGE
Figure 46. Figure 47.
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