参数资料
型号: EVAL-AD7699EDZ
厂商: Analog Devices Inc
文件页数: 27/28页
文件大小: 0K
描述: BOARD EVALUATION FOR AD7699
标准包装: 1
系列: PulSAR®
ADC 的数量: 1
位数: 16
采样率(每秒): 500k
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
输入范围: 0 ~ Vdd
在以下条件下的电源(标准): 28mW @ 500kSPS
工作温度: -40°C ~ 85°C
已用 IC / 零件: AD7699
已供物品:
AD7699
Data Sheet
Rev.
| Page 8 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
VDD = 5V, VREF = 5V, VIO = VDD, unless otherwise noted
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
0
16,384
32,768
49,152
65,536
CODES
(L
SB
S
)
07
35
4-
00
6
Figure 5. Integral Nonlinearity vs. Code
250,000
200,000
150,000
100,000
50,000
0
00
3
13,341
26,926
10
0
CO
UN
T
S
7FF9 7FFA 7FFB 7FFC 7FFD 7FFE 7FFF 8000
8001
CODE IN HEX
07
35
4-
00
5
σ = 0.51 LSB
VREF = 5V
220,840
Figure 6. Histogram of a DC Input at Code Center
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
0
25
50
75
100
125
150
175
200
225
250
FREQUENCY (kHz)
AM
P
L
IT
UDE
(
d
B
O
F
UL
L
S
CAL
E
)
VREF = 5V
fS = 500kSPS
fIN = 19.94kHz
SNR = 92.3dB
SINAD = 91.5dB
THD = –98dB
SFDR = 100dB
SECOND HARMONIC = –111dB
THIRD HARMONIC = –101dB
07
35
4-
0
07
Figure 7. 20 kHz FFT, VREF = 5 V
1.5
1.0
0.5
0
–0.5
–1.0
0
16,384
32,768
49,152
65,536
CODES
(L
SB
S
)
07
35
4-
00
9
Figure 8. Differential Nonlinearity vs. Code
250,000
200,000
150,000
100,000
50,000
0
CO
UN
T
S
0119
31,411
157
0
σ = 0.78 LSB
VREF = 4.096V
191,013
38,420
7FF9 7FFA 7FFB 7FFC 7FFD 7FFE 7FFF 8000
8001
CODE IN HEX
07
35
4-
00
8
Figure 9. Histogram of a DC Input at Code Center
0
–20
–40
–60
–80
–100
–120
–140
–160
–180
0
25
50
75
100
125
150
175
200
225
250
FREQUENCY (kHz)
AM
P
L
IT
UD
E
(
d
B
O
F
U
L
S
CA
L
E
)
VREF = 4.096V
fS = 500kSPS
fIN = 19.94kHz
SNR = 91.1dB
SINAD = 90.4dB
THD = –98dB
SFDR = 100dB
SECOND HARMONIC = –104dB
THIRD HARMONIC = –101dB
07
35
4-
0
10
Figure 10. 20 kHz FFT, VREF = 4.096 V
B
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