DAC8560 Datasheet, PDF (13/29 Pages) Burr-Brown (TI) – 16-Bit, Ultra-Low Glitch, Voltage Output DIGITAL-TO-ANALOG CONVERTER with 2.5V, 2ppm/°C Internal Reference

DAC8560
www.ti.com
SLAS464 – DECEMBER 2006
TYPICAL CHARACTERISTICS: DAC at V_DD = 5V (continued)
At T_A = +25°C, external reference used, and DAC output not loaded, unless otherwise noted.
SIGNAL-TO-NOISE RATIO
vs OUTPUT FREQUENCY
98
V_DD = 5V, External V_REF = 4.9V
96 ^{-1dB FSR Digital Input, f}S ^{= 225kSPS}
Measurement Bandwidth = 20kHz
94
92
90
88
86
84
0
1
2
3
4
5
f_OUT (kHz)
Figure 37.
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
0
POWER SPECTRAL DENSITY
V_DD = 5V, External V_REF = 4.9V
f_OUT = 1kHz, f_S = 225kSPS
Measurement Bandwidth = 20kHz
5
10
15
20
Frequency (kHz)
Figure 38.
1800
1600
1400
1200
1000
800
600
400
200
0
10
DAC OUTPUT NOISE DENSITY
vs FREQUENCY⁽¹⁾
Internal Reference Enabled
No Load at V_REF Pin
See the Applications Information
section for more information
Full-Scale
Midscale
Zero-Scale
100
1k
10k
100k
1M
Frequency (Hz)
Figure 39.
1000
800
600
400
200
0
10
DAC OUTPUT NOISE DENSITY
vs FREQUENCY ⁽¹⁾
Internal Reference Enabled
4mF vs No Load at V_REF Pin
See the Applications Information
section for more information
C_REF = 0mF
C_REF = 4mF
100
1k
10k
100k
1M
Frequency (Hz)
Figure 40.
DAC OUTPUT NOISE
0.1Hz TO 10Hz
DAC = Midscale
Internal Reference Enabled
50mV_PP
Time (2s/div)
Figure 41.
(1) Explained in more detail in the Application Information section of this data sheet.
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