参数资料
型号: AD7609BSTZ-RL
厂商: ANALOG DEVICES INC
元件分类: ADC
英文描述: 8-CH 18-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL/PARALLEL ACCESS, PQFP64
封装: ROHS COMPLIANT, MS-026BCD, LQFP-64
文件页数: 24/35页
文件大小: 1737K
代理商: AD7609BSTZ-RL
AD7609
Preliminary Technical Data
Rev. PrD | Page 30 of 35
CS
RD
DATA:
DB[15:0]
BUSY
CONVST A,
CONVST B
tCYCLE
tCONV
4s
t4
9s
19s
OS = 0
OS = 2
OS = 4
09
76
0-
04
3
Figure 47. AD7609—No Oversampling, Oversamping × 4 and Oversampling × 8 Using Read After Conversion
0
200
400
600
800
1000
1200
1400
1600
–9 –8 –7 –6 –5 –4 –3 –2 –1 0
CODE
12345678 9
NO OVERSAMPLING
NU
M
B
E
R
O
F
O
CC
URE
N
CE
S
09
76
0-
04
4
2 10 27
83
210
450
727
1062
1384 1373
1167
840
492
219
100
32 11 2 1
Figure 48. Histogram of Codes—No OS—(19 Codes)
0
200
400
600
800
1000
1400
1800
1200
1600
2000
–7 –6 –5 –4 –3 –2 –1
0
CODE
12
345
6
7
OVERSAMPLING BY 2
NUM
BE
R
O
F
O
C
CURE
NCE
S
09
76
0-
0
45
1
12
46
214
599
1146
1785 1772
1389
788
317
105
15
2
1
Figure 49. Histogram Of Codes—OS × 2 (15 Codes)
500
0
1000
1500
2500
2000
3000
–5
–4
–3
–2
–1
0
CODE
1
234
OVERSAMPLING BY 4
NUM
BE
R
O
F
O
CCURE
NCE
S
09
76
0-
0
4
6
5
49
341
1191
2363 2394
1340
422
79
8
Figure 50. Histogram of Codes—OS × 4 (10 Codes)
0
500
1000
1500
2000
2500
3000
4000
3500
–4
–3
–2
–1
0
CODE
12
3
OVERSAMPLING BY 8
NUM
BE
R
O
F
O
C
CURE
NCE
S
09
76
0-
04
7
1
41
549
229
15
1568
3392
2397
Figure 51. Histogram of Codes—OS × 8 (8 Codes)
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