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鍙冩暩(sh霉)璩囨枡
| 鍨嬭櫉(h脿o)锛� | AD7451BRMZ |
| 寤犲晢锛� | Analog Devices Inc |
| 鏂囦欢闋佹暩(sh霉)锛� | 3/25闋� |
| 鏂囦欢澶�?銆�?/td> | 0K |
| 鎻忚堪锛� | IC ADC 12BIT DIFF 1MSPS 8MSOP |
| 妯�(bi膩o)婧�(zh菙n)鍖呰锛� | 50 |
| 浣嶆暩(sh霉)锛� | 12 |
| 閲囨ǎ鐜囷紙姣忕锛夛細 | 1M |
| 鏁�(sh霉)鎿�(j霉)鎺ュ彛锛� | DSP锛孧ICROWIRE?锛孮SPI?锛屼覆琛�锛孲PI? |
| 杞�(zhu菐n)鎻涘櫒鏁�(sh霉)鐩細 | 1 |
| 鍔熺巼鑰楁暎锛堟渶澶э級锛� | 9.25mW |
| 闆诲闆绘簮锛� | 鍠浕婧� |
| 宸ヤ綔婧害锛� | -40°C ~ 85°C |
| 瀹夎椤炲瀷锛� | 琛ㄩ潰璨艰 |
| 灏佽/澶栨锛� | 8-TSSOP锛�8-MSOP锛�0.118"锛�3.00mm 瀵級 |
| 渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 | 8-MSOP |
| 鍖呰锛� | 绠′欢 |
| 杓稿叆鏁�(sh霉)鐩拰椤炲瀷锛� | 1 鍊�(g猫)鍋藉樊鍒�锛屽柈妤� |
绗�1闋�绗�2闋�鐣�(d膩ng)鍓嶇3闋�绗�4闋�绗�5闋�绗�6闋�绗�7闋�绗�8闋�绗�9闋�绗�10闋�绗�11闋�绗�12闋�绗�13闋�绗�14闋�绗�15闋�绗�16闋�绗�17闋�绗�18闋�绗�19闋�绗�20闋�绗�21闋�绗�22闋�绗�23闋�绗�24闋�绗�25闋�
AD7441/AD7451
Rev. D | Page 10 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25掳C, fS = 1 MSPS, fSCLK = 18 MHz, VDD = 2.7 V to 5.25 V, VREF = 2.5 V, unless otherwise noted.
75
55
60
65
70
10
100
1000
FREQUENCY (kHz)
S
INAD
(
d
B
)
VDD = 5.25V
VDD = 4.75V
VDD = 3.6V
VDD = 2.7V
03
15
3
-00
7
Figure 7. SINAD vs. Analog Input Frequency for the AD7451 for
Various Supply Voltages
0
鈥�120
鈥�80
鈥�100
鈥�60
鈥�40
鈥�20
0
100
200
300
400
500
600
700
800
900 1000
SUPPLY RIPPLE FREQUENCY (kHz)
P
S
RR
(
d
B)
100mV p-p SINE WAVE ON VDD
NO DECOUPLING ON VDD
VDD = 3V
VDD = 5V
03
15
3
-00
8
Figure 8. PSRR vs. Supply Ripple Frequency Without Supply Decoupling
FREQUENCY (kHz)
S
N
R
(
d
B)
0
100
200
鈥�100
鈥�140
500
鈥�20
0
鈥�120
鈥�40
鈥�60
鈥�80
8192 POINT FFT
fSAMPLE = 1MSPS
fIN = 100kSPS
SINAD = 71dB
THD = 鈥�82dB
SFDR = 鈥�83dB
300
400
0
315
3-
0
09
Figure 9. AD7451 Dynamic Performance for VDD = 5 V
D
NL
E
R
RO
R
(
L
S
B
)
CODE
0.4
0
1024
2048
3072
0.2
0
鈥�0.2
鈥�0.4
鈥�1.0
4096
0.6
0.8
1.0
鈥�0.6
鈥�0.8
03
15
3-
0
10
Figure 10. Typical DNL for the AD7451 for VDD = 5 V
INL
E
RRO
R
(
L
S
B)
CODE
0.4
0
1024
2048
3072
0.2
0
鈥�0.2
鈥�0.4
鈥�1.0
4096
0.6
0.8
1.0
鈥�0.6
鈥�0.8
03
15
3-
0
11
Figure 11. Typical INL for the AD7451 for VDD = 5 V
CO
UNT
S
CODES
0
2046
2047
2048
2049
2050
2051
27 CODES
24 CODES
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
9949
CODES
03
15
3-
0
12
Figure 12. Histogram of 10,000 Conversions of a DC Input for the AD7451
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