参数资料
型号: AD9258BCPZ-125
厂商: Analog Devices Inc
文件页数: 9/44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 17 of 44
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 1.8 V, DRVDD = 1.8 V, rated sample rate, DCS enabled, 1.0 V internal reference, 2 V p-p differential input, VIN = 1.0 dBFS, and
32k sample, TA = 25°C, unless otherwise noted
0
–20
–40
–60
–80
–100
–120
–140
010
20
30
FREQUENCY (MHz)
AM
P
L
IT
UDE
(
d
BF
S
)
08
12
4-
0
62
SECOND HARMONIC
THIRD HARMONIC
40
80MSPS
2.4MHz @ –1dBFS
SNR = 78.2dB (79.2dBFS)
SFDR = 99dBc
Figure 8. AD9258-80 Single-Tone FFT with fIN = 2.4 MHz
0
–20
–40
–60
–80
–100
–120
–140
010
20
30
FREQUENCY (MHz)
AM
P
L
IT
UDE
(
d
BF
S
)
08
12
4-
0
63
40
SECOND HARMONIC
THIRD HARMONIC
80MSPS
70.1MHz @ –1dBFS
SNR = 77.0dB (78.0dBFS)
SFDR = 89.0dBc
Figure 9. AD9258-80 Single-Tone FFT with fIN = 70.1 MHz
0
–20
–40
–60
–80
–100
–120
–140
010
20
30
FREQUENCY (MHz)
AM
P
L
IT
UDE
(
d
BF
S
)
08
12
4-
0
64
40
80MSPS
140.1MHz @ –1dBFS
SNR = 75.5dB (76.5dBFS)
SFDR = 82.0dBc
SECOND HARMONIC
THIRD HARMONIC
Figure 10. AD9258-80 Single-Tone FFT with fIN = 140.1 MHz
0
–20
–40
–60
–80
–100
–120
–140
010
20
30
40
FREQUENCY (MHz)
AM
P
L
IT
UDE
(
d
BF
S
)
08
12
4-
0
65
SECOND HARMONIC
80MSPS
200.3MHz @ –1dBFS
SNR = 74.3dB (75.3dBFS)
SFDR = 83dBc
THIRD HARMONIC
Figure 11. AD9258-80 Single-Tone FFT with fIN = 200.1 MHz
0
–20
–40
–60
–80
–100
–120
–140
010
20
30
FREQUENCY (MHz)
AM
P
L
IT
UDE
(
d
BF
S
)
08
12
4-
0
66
40
SECOND HARMONIC
THIRD HARMONIC
80MSPS
70.1MHz @ –6dBFS
SNR = 71.6dB (77.6dBFS)
SFDR = 97dBc
Figure 12. AD9258-80 Single-Tone FFT with fIN = 70.1 MHz with Dither
Enabled
120
100
80
60
40
20
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
INPUT AMPLITUDE (dBFS)
S
NR/
S
F
DR
(
d
Bc
A
ND
d
BF
S
)
08
12
4-
0
67
SNR (dBFS)
SFDR (dBc)
SNR (dBc)
SFDR (dBFS)
Figure 13. AD9258-80 Single-Tone SNR/SFDR vs. Input Amplitude (AIN)
with fIN = 98.12 MHz
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