参数资料
型号: EVAL-ADUC7124QSPZ
厂商: Analog Devices Inc
文件页数: 27/108页
文件大小: 0K
描述: BOARD EVALUATION FOR ADUC7124
设计资源: EVAL-ADUC7124 Schematic
ADUC7124 Eval Brd Gerber Files
标准包装: 1
系列: MicroConverter® ADuC7xxx
类型: MCU
适用于相关产品: ADUC7124
所含物品:
Data Sheet
ADuC7124/ADuC7126
Rev. C | Page 25 of 108
20
0
–20
–40
–60
–80
–100
–120
–140
0
50
100
150
174.1
09
12
3-
2
16
S
INAD
,T
HD,
AND
P
HS
N
O
F
AD
C
(
d
B)
FREQUENCY (kHz)
SNR: 69.85dB
THD: –79.91dB
PHSN: –82.93dB, 29.771kHz
20
0
–20
–40
–60
–80
–100
–120
–140
0
50
100
150
174.1
09
12
3-
2
19
S
INAD
,T
HD,
AND
P
HS
N
O
F
AD
C
(
d
B)
FREQUENCY (kHz)
SNR: 65.97dB
THD: –78.63dB
PHSN: –77.83dB, 146.6038kHz
Figure 17. SINAD, THD, and PHSN of ADC,
VREF = Internal 2.5 V, Single-Ended Mode
ADCCP = ADC0
Figure 20. SINAD, THD, and PHSN of ADC,
VREF = Internal 2.5 V, Single-Ended Mode
ADCCP = ADC15/DAC3, ADCCN = ADC0
0.2
0.1
0
–0.1
–0.2
250
09
12
3-
2
20
DN
L
(
L
S
B
)
ADC CODES
500
750
1000
1250
1500
1750
2000
2250
2500
2750
3000
3250
3500
3750
4000 4095
DAC0
DAC1
20
0
–20
–40
–60
–80
–100
–120
–140
0
50
100
150
174.1
09
12
3-
2
17
S
INAD
,T
HD,
AND
P
HS
N
O
F
AD
C
(
d
B)
FREQUENCY (kHz)
SNR: 67.10dB
THD: –79.79dB
PHSN: –76.14dB, 54.9738kHz
Figure 21. DAC DNL Error,
DAC0 Max Positive DNL: 0.188951, DAC1 Max Positive DNL: 0.190343
DAC0 Max Negative DNL: 0.120081, DAC1 Max Negative DNL: 0.15697
Figure 18. SINAD, THD, and PHSN of ADC,
VREF = Internal 2.5 V, Single-Ended Mode
ADCCP = DAC1/ADC13, ADCCN = ADC0
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
250
09
12
3
-22
1
IN
L
(
L
S
B
)
ADC CODES
500
750
1000
1250
1500
1750
2000
2250
2500
2750
3000
3250
3500
3750
4000 4095
DAC0
DAC1
20
0
–20
–40
–60
–80
–100
–120
–140
0
50
100
150
174.1
09
12
3-
2
18
S
INAD
,T
HD,
AND
P
HS
N
O
F
AD
C
(
d
B)
FREQUENCY (kHz)
SNR: 67.44dB
THD: –82.33dB
PHSN: –79.31dB, 54.9738kHz
Figure 22. DAC INL Error,
DAC0 Max Positive INL: 1.84106, DAC1 Max Positive INL: 1.75312
DAC0 Max Negative INL: 0.887319, DAC1 Max Negative INL: 2.23708
Figure 19. SINAD, THD, and PHSN of ADC,
VREF = Internal 2.5 V, Single-Ended Mode
ADCCP = ADC8, ADCCN = ADC0
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