參數(shù)資料
型號： EVAL-AD7321CBZ
廠商： Analog Devices Inc
文件頁數(shù)： 4/37頁
文件大小： 0K
描述： BOARD EVALUATION FOR AD7321
標(biāo)準(zhǔn)包裝： 1
系列： iCMOS®
ADC 的數(shù)量： 1
位數(shù)： 12
采樣率（每秒）： 500k
數(shù)據(jù)接口： 串行
輸入范圍： ±10 V
在以下條件下的電源（標(biāo)準(zhǔn)）： 17mW @ 500kSPS
工作溫度： -40°C ~ 85°C
已用 IC / 零件： AD7321
已供物品： 板，CD
相關(guān)產(chǎn)品： AD7321BRUZ-REEL-ND - IC ADC 12BIT+SAR 2CHAN 14-TSSOP
AD7321BRUZ-REEL7-ND - IC ADC 12BIT+ SAR 2CHAN 14TSSOP
AD7321BRUZ-ND - IC ADC 12BIT+ SAR 2CHAN 14TSSOP
Data Sheet
AD7321
Rev. B | Page 11 of 36
–50
–100
10
1000
ANALOG INPUT FREQUENCY (kHz)
T
HD
(
d
B)
100
–55
–60
–65
–70
–75
–80
–85
–90
–95
0V TO +10V SE
0V TO +10V DIFF
±10V DIFF
±10V SE
±2.5V SE
±2.5V DIFF
±5V DIFF
±5V SE
VCC =VDRIVE =3V
VDD/VSS =±12V
TA = 25°C
fS = 500kSPS
INTERNAL REFERENCE
05
39
9-
06
0
Figure 10. THD vs. Analog Input Frequency for Single-Ended (SE) and True
Differential Mode (Diff) at 3 V VCC
–50
–100
10
1000
ANALOG INPUT FREQUENCY (kHz)
T
HD
(
d
B)
100
–55
–60
–65
–70
–75
–80
–85
–90
–95
VCC =VDRIVE =5V
VDD/VSS = ±12V
TA =25°C
fS = 500kSPS
INTERNAL REFERENCE
0V TO +10V SE
±10V SE
±10V DIFF
0V TO +10V DIFF
±5V SE
±5V DIFF
±2.5V SE
±2.5V DIFF
05
39
9-
06
1
Figure 11. THD vs. Analog Input Frequency for Single-Ended (SE) and True
Differential Mode (Diff) at 5 V VCC
80
50
10
1000
ANALOG INPUT FREQUENCY (kHz)
S
INA
D
(
d
B)
100
75
70
65
60
55
VCC =VDRIVE =3V
VDD/VSS = ±12V
TA =25°C
fS = 500kSPS
INTERNAL REFERENCE
±5V DIFF
±2.5V DIFF
±5V SE
±2.5V SE
0V TO +10V DIFF
±10V DIFF
±10V SE
0V TO +10V SE
05
39
9-
06
2
Figure 12. SINAD vs. Analog Input Frequency for Single-Ended (SE) and True
Differential Mode (Diff) at 3 V VCC
80
50
10
1000
ANALOG INPUT FREQUENCY (kHz)
S
INA
D
(
d
B)
100
75
70
65
60
55
VCC =VDRIVE =5V
VDD/VSS = ±12V
TA =25°C
fS = 500kSPS
INTERNAL REFERENCE
±10V SE
0V TO +10V SE
±10V DIFF
±2.5V SE
±5V SE
±2.5V DIFF
±5V DIFF
0V TO +10V DIFF
05
39
9-
06
3
Figure 13. SINAD vs. Analog Input Frequency for Single-Ended (SE) and True
Differential Mode (Diff) at 5 V VCC
–50
–95
0
600
FREQUENCY OF INPUT NOISE (kHz)
C
HANNE
L
-TO
-CHAN
NE
L
I
S
O
L
A
T
IO
N
(
d
B)
–55
–60
–65
–70
–75
–80
–85
–90
100
200
300
400
500
VDD/VSS =±12V
SINGLE-ENDED MODE
fS = 500kSPS
TA = 25°C
50kHz ON SELECTED CHANNEL
VCC =3V
VCC =5V
05
39
9-
01
2
Figure 14. Channel-to-Channel Isolation
10k
0
–2
CODE
NUM
BE
R
O
F
O
CCURR
E
NCE
S
9k
8k
7k
6k
5k
4k
3k
2k
1k
–1
0
1
2
0
228
9469
303
0
VCC =5V
VDD/VSS = ±12V
RANGE = ±10V
10k SAMPLES
TA = 25°C
05
39
9-
01
3
Figure 15. Histogram of Codes, True Differential Mode
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