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參數資料
| 型號： | AD7849TQ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | DAC |
| 英文描述： | Serial Input, 14-Bit/16-Bit DAC |
| 中文描述： | SERIAL INPUT LOADING, 7 us SETTLING TIME, 16-BIT DAC, CDIP20 |
| 封裝： | CERDIP-20 |
| 文件頁數： | 6/15頁 |
| 文件大小： | 211K |
| 代理商： | AD7849TQ |
REV. B
–6–
AD7849
Typical Performance Curves
V
REF+
1
V
OUT
4
C1 FREQ
9.9942kHz
C1 RMS
728mV
C4 RMS
556μV
CH1 1.00V
CH4 1.00mV
M 20.0μs CH1
–
300mV
Figure 1a. AC Feedthrough
SYNC
SDIN
V
OUT
1
2
4
C4 AREA
247.964nV
S
CH2 5.00V
CH4 200mV
M 1.00μs
CH1 3.7V
CH1 5.00V
Figure 2a. Digital-to-Analog Glitch Impulse Without
Internal Deglitcher
FREQUENCY
–
Hz
22
2
10
2
10
6
10
3
V
O
–
10
4
10
5
20
18
16
14
12
10
V
DD
= +15V
V
SS
=
–
15V
V
REF+
=
±
5V SINE WAVE
V
REF
–
= 0V
GAIN = +2
8
6
4
Figure 3. Large Signal Frequency Response
FREQUENCY
–
Hz
7
0
10
2
10
6
10
3
V
O
–
10
4
10
5
6
5
4
3
2
1
V
DD
= +15V
V
SS
=
–
15V
V
REF+
= 1V rms
V
REF
–
= 0V
Figure 1b. AC Feedthrough vs. Frequency
1
4
2
LDAC
SDIN
V
OUT
CH2 5.00V
CH4 50.0mV
M 5.00μs
CH1 2.3V
CH1 5.00V
Figure 2b. Digital-to-Analog Glitch Impulse with
Internal Deglitcher
1
2
V
OUT
CH2 20.0V
M 2.5μs
CH1
–
400mV
CH1 10.0V
V
REF+
C1 Pk-Pk
10.4V
C2 Pk-Pk
20.8V
C2 RISE
2.79230μs
C2 FALL
3.20385μs
Figure 4. Pulse Response (Large Signal)
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