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| DAC8806_15 Datasheet, PDF (6/22 Pages) Texas Instruments – 14-Bit, Parallel Input Multiplying Digital-to-Analog Converternull | |||
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DAC8806
SBAS385B â APRIL 2006 â REVISED FEBRUARY 2008
TYPICAL CHARACTERISTICS: VDD = +5V (continued)
At TA = +25°C, unless otherwise noted.
www.ti.com
180
160
140
120
100
80
60
40
20
0
0
SUPPLY CURRENT
vs LOGIC INPUT VOLTAGE
VDD = +5.0V
VDD = +2.7V
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Logic Input Voltage (V)
Figure 7.
6
0
-6
-12
-18
-24
-30
-36
-42
-48
-54
-60
-66
-72
-78
-84
-90
-96
-102
-108
-114
10
REFERENCE MULTIPLYING BANDWIDTH
BIPOLAR MODE
Codes from
Full-scale to
Midscale
0x3FFF
0x3000
0x2800
0x2400
0x2200
0x2100
0x2080
0x2040
0x2020
0x2010
0x2008
0x2004
0x2002
0x2001
0x2000
100 1k 10k 100k 1M 10M 100M
Bandwidth (Hz)
Figure 9.
MIDSCALE DAC GLITCH
VREF = 10V
6
0
-6
-12
-18
-24
-30
-36
-42
-48
-54
-60
-66
-72
-78
-84
-90
-96
-102
-108
-114
10
6
0
-6
-12
-18
-24
-30
-36
-42
-48
-54
-60
-66
-72
-78
-84
-90
-96
-102
-108
-114
10
REFERENCE MULTIPLYING BANDWIDTH
UNIPOLAR MODE
0x3FFF
0x2000
0x1000
0x0800
0x0400
0x0200
0x0100
0x0080
0x0040
0x0020
0x0010
0x0008
0x0004
0x0002
0x0001
0x0000
100 1k 10k 100k 1M 10M 100M
Bandwidth (Hz)
Figure 8.
REFERENCE MULTIPLYING BANDWIDTH
BIPOLAR MODE
Codes from
Midscale to
Zero Scale
0x0000
0x1000
0x1800
0x1400
0x1200
0x1100
0x1080
0x1040
0x1020
0x1010
0x1008
0x1004
0x1002
0x1001
0x2000
100 1k 10k 100k 1M 10M 100M
Bandwidth (Hz)
Figure 10.
MIDSCALE DAC GLITCH
VREF = 10V
Code: 1FFFh to 2000h
Code: 2000h to 1FFFh
LDAC Pulse
Time (0.5ms)
Figure 11.
LDAC Pulse
Time (0.5ms)
Figure 12.
6
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Product Folder Link(s): DAC8806
Copyright © 2006â2008, Texas Instruments Incorporated
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