DAC5311-Q1 Datasheet, PDF (9/38 Pages) Texas Instruments – 1.8 V to 5.5 V, 80 mA, 8 BIT, LOW POWER, SINGLE CHANNEL, DIGITAL-TO-ANALOG CONVERTER

DAC5311-Q1
www.ti.com ...................................................................................................................................................................................................... SBAS470 – JUNE 2009
TYPICAL CHARACTERISTICS: AV_DD = 5 V (continued)
At T_A = 25°C, AV_DD = 5 V, and DAC loaded with midscale code (unless otherwise noted)
TOTAL HARMONIC DISTORTION
vs OUTPUT FREQUENCY
-20
AV_DD = 5V, f_S = 225kSPS,
-1dB FSR Digital Input,
Measurement Bandwidth = 20kHz
-40
THD
SIGNAL-TO-NOISE RATIO
vs OUTPUT FREQUENCY
102
AV_DD = 5V, f_S = 225kSPS,
-1dB FSR Digital Input,
Measurement Bandwidth = 20kHz
94
-60
-80
-100
0
3rd Harmonic
1
2
3
f_OUT (kHz)
Figure 13.
2nd Harmonic
4
5
POWER SPECTRAL DENSITY
0
AV_DD = 5V,
20
f_OUT = 1kHz, f_S = 225kSPS,
Measurement Bandwidth = 20kHz
-40
-60
-80
-100
-120
-140
0
5
10
15
20
Frequency (kHz)
Figure 15.
DAC OUTPUT NOISE
0.1-Hz TO 10-Hz BANDWIDTH
AV_DD = 5V,
DAC = Midscale, No Load
86
78
70
0
300
250
200
150
100
50
0
10
1
2
3
4
5
f_OUT (kHz)
Figure 14.
DAC OUTPUT NOISE DENSITY
vs FREQUENCY
AV_DD = 5V
Midscale
Full Scale Zero Scale
100
1k
10k
Frequency (Hz)
Figure 16.
CLOCK FEED THROUGH
5 V, 2 MHz, MIDSCALE
100k
3mV_PP
Time (2s/div)
Figure 17.
AV_DD = 5V
Clock Feedthrough Impulse ~0.5nV-s
Time (500ns/div)
Figure 18.
Copyright © 2009, Texas Instruments Incorporated
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