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參數(shù)資料
| 型號： | DAC2932PFBTG4 |
| 元件分類： | DAC |
| 英文描述： | DUAL 12-BIT 40MSPS DIGITAL TO ANALOG CONVERTER |
| 中文描述： | 雙通道12位40MSPS數(shù)模轉(zhuǎn)換器 |
| 文件頁數(shù)： | 11/24頁 |
| 文件大?。?/td> | 343K |
| 代理商： | DAC2932PFBTG4 |
SBAS279C AUGUST 2003 REVISED OCTOBER 2004
www.ti.com
11
TYPICAL CHARACTERISTICS (continued)
TA = +25
°
C, +VA = +VAV = +3V, +VD = +VDV = +3V, IOUTFS = 2mA, differential transformer-coupled output (n = 4:1), RL = 400
on I-DAC,
RL = 2k
on V-DAC, and GSET = H unless otherwise noted.
Figure 9
80
75
70
65
60
55
50
S
0
2
4
6
8
10
12
16
14
18
20
f
OUT
(MHz)
SFDR vs I
OUT
FS AND f
OUT
AT 40MSPS, 0dBFS
1.5mA
0.5mA
1mA
2mA
Figure 10
SFDR vs TEMPERATURE
40
80
75
70
65
60
55
50
30
70
20
40
60
50
80 85
10
0
10
20
30
Temperature ( C)
S
2.2MHz, 40MSPS
1MHz, 20MSPS
10MHz, 40MSPS
19.9MHz, 40MSPS
Figure 11
TOTAL HARMONIC DISTORTION vs
f
CLK
AT f
OUT
= 2.2MHZ
5
60
65
70
75
80
40
35
30
25
20
f
CLK
(MSPS)
15
10
T
Figure 12
TOTAL HARMONIC DISTORTION vs TEMPERATURE
f
OUT
= 1MHz at 20MSPS
40
50
55
60
65
70
75
80
85
90
30
70
20
40
60
50
80 85
10
0
10
20
30
Temperature ( C)
T
Figure 13
1.223
1.222
1.221
1.220
1.219
1.218
1.217
1.216
1.215
V
R
(
40
20
0
20
40
60
80 85
Temperature ( C)
REFERENCE VOLTAGE vs TEMPERATURE
Figure 14
1.2201
1.2200
1.2199
V
R
(
2.7
2.8
2.9
3.0
3.1
3.2
3.3
Supply Voltage (V)
REFERENCE VOLTAGE vs SUPPLY VOLTAGE
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PDF描述 |
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| DAC2932 | DUAL 12-BIT 40MSPS DIGITAL TO ANALOG CONVERTER |
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