V
參數(shù)資料
型號: EVAL-AD7321CBZ
廠商: Analog Devices Inc
文件頁數(shù): 5/37頁
文件大?。?/td> 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
AD7321
Data Sheet
Rev. B | Page 12 of 36
8k
0
–3
CODE
NUM
BE
R
O
F
O
C
CURE
N
CE
S
7k
6k
5k
4k
3k
2k
1k
–2
–1
0
1
2
3
VCC =5V
VDD/VSS =±12V
RANGE = ±10V
10k SAMPLES
TA = 25°C
023
1201
7600
1165
11
0
05
39
9-
01
4
Figure 16. Histogram of Codes, Single-Ended Mode
–50
–100
0
RIPPLE FREQUENCY (kHz)
CM
RR
(
d
B)
–55
–60
–65
–70
–75
–80
–85
–90
–95
200
400
600
800
1000
1200
DIFFERENTIAL MODE
FIN = 50kHz
VDD/VSS = ±12V
fS = 500kSPS
TA =25°C
VCC =5V
VCC =3V
0
53
99
-05
5
Figure 17. CMRR vs. Common-Mode Ripple Frequency
2.0
–2.0
±VDD/VSS SUPPLY VOLTAGE (V)
DN
L
E
RRO
R
(
L
S
B)
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
5
7
9
11
13
15
17
19
±5V RANGE
VCC =VDRIVE =5V
INTERNAL REFERENCE
SINGLE-ENDED MODE
DNL = 500kSPS
05
39
9-
0
49
Figure 18. DNL Error vs. Supply Voltage at 500 kSPS
2.0
–2.0
±VDD/VSS SUPPLY VOLTAGE (V)
INL
E
RRO
R
(
L
S
B)
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
5
7
9
11
13
15
17
19
±5V RANGE
VCC =VDRIVE =5V
INTERNAL REFERENCE
SINGLE-ENDED MODE
INL = 500kSPS
05
39
9-
0
50
Figure 19. INL Error vs. Supply Voltage at 500 kSPS
–50
–100
0
1200
SUPPLY RIPPLE FREQUENCY (kHz)
P
S
RR
(
d
B)
–55
–60
–65
–70
–75
–80
–85
–90
–95
200
400
600
800
1000
100mV p-p SINE WAVE ON EACH SUPPLY
NO DECOUPLING
SINGLE-ENDED MODE
fS = 500kSPS
VCC =5V
VCC =3V
VDD =12V
VSS =–12V
05
39
9-
0
54
Figure 20. PSRR vs. Supply Ripple Frequency Without Supply Decoupling
–50
–100
10
1000
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
INTERNAL REF
RANGE = ±10V AND ±2.5V
fS = 500kSPS
DIFFERENTIAL MODE
±10V RANGE
RIN = 4000
RIN = 3000
RIN = 2000
RIN = 1000
RIN = 100
RIN =12
±2.5V RANGE
RIN = 9000
RIN = 5500
RIN = 2000
RIN =100
RIN =12
05
39
9-
06
4
Figure 21. THD vs. Analog Input Frequency for Various Source Impedances,
True Differential Mode
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