参数资料
型号: AD9258BCPZ-125
厂商: Analog Devices Inc
文件页数: 10/44页
文件大小: 0K
描述: IC ADC 14BIT 125MSPS DL 64LFCSP
设计资源: High Performance, Dual Channel IF Sampling Receiver (CN0140)
标准包装: 1
位数: 14
采样率(每秒): 125M
数据接口: 串行
转换器数目: 2
功率耗散(最大): 788mW
电压电源: 模拟和数字
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-VFQFN 裸露焊盘,CSP
供应商设备封装: 64-LFCSP-VQ(9x9)
包装: 托盘
输入数目和类型: 2 个差分,单极
AD9258
Rev. A | Page 18 of 44
120
110
100
90
80
70
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
INPUT AMPLITUDE (dBFS)
S
NR/
S
F
DR
(
d
BF
S
)
08
12
4-
0
68
SNRFS (DITHER ON)
SNRFS (DITHER OFF)
SFDRFS (DITHER ON)
SFDRFS (DITHER OFF)
Figure 14. AD9258-80 Single-Tone SNR/SFDR vs. Input Amplitude (AIN)
with fIN = 30 MHz with and without Dither Enabled
100
95
90
85
80
75
70
65
0
50
100
150
200
250
300
INPUT FREQUENCY (MHz)
S
NR/
S
F
DR
(
d
BF
S
AND
d
Bc)
08
12
4-
0
69
SNR @ –40°C
SFDR @ –40°C
SNR @ +25°C
SFDR @ +25°C
SNR @ +85°C
SFDR @ +85°C
Figure 15. AD9258-80 Single-Tone SNR/SFDR vs. Input Frequency (fIN)
with 2 V p-p Full Scale
105
100
95
90
85
80
75
25
30
35
40
45
50
55
60
65
70
75
80
SAMPLE RATE (MSPS)
S
NR/
S
F
DR
(
d
BF
S
AND
d
B
c)
08
12
4-
07
0
SNR, CHANNEL B
SFDR, CHANNEL B
SNR, CHANNEL A
SFDR, CHANNEL A
Figure 16. AD9258-80 Single-Tone SNR/SFDR vs. Sample Rate (fS)
with fIN = 70.1 MHz
800,000
700,000
600,000
500,000
400,000
300,000
200,000
100,000
0
N – 3
N – 2
N – 1
N
N + 1
N + 2
N + 3
OUTPUT CODE
NUM
BE
R
O
F
HI
T
S
08
12
4-
0
71
Figure 17. AD9258-80 Grounded Input Histogram
2
1
0
–2
–1
IN
L
ER
R
O
R
(L
SB
)
DITHER ENABLED
DITHER DISABLED
0
2000
4000
6000
8000
10,000 12,000 14,000 16,000
OUTPUT CODE
08
12
4-
07
2
Figure 18. AD9258-80 INL with fIN = 9.7 MHz
0.50
0.25
0
–0.25
–0.50
OUTPUT CODE
D
NL
E
R
RO
R
(
L
S
B)
0
2000
4000
6000
8000
10,000 12,000 14,000 16,000
08
12
4-
07
3
Figure 19. AD9258-80 DNL with fIN = 9.7 MHz
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