DAC8565ICPWG4 Datasheet, PDF (15/49 Pages) Texas Instruments – 16-Bit, Quad Channel, Ultra-Low Glitch, Voltage Output

DAC8565
www.ti.com
SBAS411C – JUNE 2007 – 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
94
0
AV_DD = 5V, External V_REF = 4.9V
-1dB FSR Digital Input, f_S = 225kSPS
-20
Measurement Bandwidth = 20kHz
92
Ch A
Ch D
-40
AV_DD = 5V, External V_REF = 4.9V
f_OUT = 1kHz, f_S = 225kSPS
Measurement Bandwidth = 20kHz
90
Ch C
Ch B
88
-60
-80
-100
-120
86
0
1
2
3
f_OUT (kHz)
Figure 42.
4
5
-140
0
5
10
15
20
Frequency (Hz)
Figure 43.
FULL-SCALE SETTLING TIME:
5V RISING EDGE
FULL-SCALE SETTLING TIME:
5V FALLING EDGE
Trigger Pulse 5V/div
Trigger Pulse 5V/div
Rising Edge
1V/div
AV_DD = 5V
Ext V_REF = 4.096V
From Code: 0000h
To Code: FFFFh
Zoomed Rising Edge
1mV/div
Time (2ms/div)
Figure 44.
HALF-SCALE SETTLING TIME:
5V RISING EDGE
Trigger Pulse 5V/div
Rising
Edge
1V/div
AV_DD = 5V
Ext V_REF = 4.096V
From Code: 4000h
To Code: C000h
Zoomed Rising Edge
1mV/div
Time (2ms/div)
Figure 46.
AV_DD = 5V
Ext V_REF = 4.096V
From Code: FFFFh
To Code: 0000h
Falling
Edge
1V/div
Zoomed Falling Edge
1mV/div
Time (2ms/div)
Figure 45.
HALF-SCALE SETTLING TIME:
5V FALLING EDGE
Trigger Pulse 5V/div
AV_DD = 5V
Ext V_REF = 4.096V
From Code: C000h
To Code: 4000h
Falling
Edge
1V/div
Zoomed Falling Edge
1mV/div
Time (2ms/div)
Figure 47.
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