参数资料
型号: AD9246BCPZRL7-125
厂商: Analog Devices Inc
文件页数: 4/44页
文件大小: 0K
描述: IC ADC 14BIT 125MSPS 48-LFCSP
设计资源: Using AD8376 to Drive Wide Bandwidth ADCs for High IF AC-Coupled Appls (CN0002)
Driving AD9233/46/54 ADCs in AC-Coupled Baseband Appls (CN0051)
标准包装: 750
位数: 14
采样率(每秒): 125M
数据接口: 串行,SPI?
转换器数目: 3
功率耗散(最大): 425mW
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-VFQFN 裸露焊盘,CSP
供应商设备封装: 48-LFCSP-VQ(7x7)
包装: 带卷 (TR)
输入数目和类型: 2 个单端,单极;1 个差分,单极
AD9246
Rev. A | Page 12 of 44
0
–140
0
62.500
FREQUENCY (MHz)
AM
P
L
IT
UDE
(
d
BF
S
)
–20
–40
–60
–80
–100
–120
15.625
31.250
46.875
125MSPS
225.3MHz @ –1dBFS
SNR = 70.3dB (71.3dBFS)
ENOB = 11.3 BITS
SFDR = 80.4dBc
05
49
1-
0
19
Figure 18. AD9246-125 Single-Tone FFT with fIN = 225.3 MHz
0
–140
0
62.500
FREQUENCY (MHz)
AM
P
L
IT
UDE
(
d
BF
S
)
–20
–40
–60
–80
–100
–120
15.625
31.250
46.875
125MSPS
300.3MHz @ –1dBFS
SNR = 69.3dB (70.3dBFS)
ENOB = 11 BITS
SFDR = 77.5dBc
05
49
1-
0
20
Figure 19. AD9246-125 Single-Tone FFT with fIN = 300.3 MHz
120
0
–90
0
INPUT AMPLITUDE (dBFS)
SN
R
/SF
D
R
(d
B
ca
n
d
B
F
S
)
SNR (dBFS)
SFDR (dBFS)
SNR (dBc)
SFDR (dBc)
85dB REFERENCE LINE
100
80
60
40
20
–80
–70
–60
–50
–40
–30
–20
–10
05
49
1-
0
40
Figure 20. AD9246 Single-Tone SNR/SFDR vs. Input Amplitude (AIN)
with fIN = 2.4 MHz
95
65
0
250
INPUT FREQUENCY (MHz)
S
NR/
S
F
DR
(
d
Bc)
90
85
80
75
70
50
100
150
200
SFDR = –40°C
SNR = –40°C
SFDR = +25°C
SNR = +25°C
SFDR = +85°C
SNR = +85°C
05
49
1-
0
22
Figure 21. AD9246 Single-Tone SNR/SFDR vs. Input Frequency (fIN) and
Temperature with 2 V p-p Full Scale
95
65
0
250
INPUT FREQUENCY (MHz)
S
NR/
S
F
DR
(
d
Bc)
90
85
80
75
70
50
100
150
200
SFDR = –40°C
SNR = –40°C
SFDR = +25°C
SNR = +25°C
SFDR = +85°C
SNR = +85°C
05
49
1-
0
23
Figure 22. AD9246 Single-Tone SNR/SFDR vs. Input Frequency (fIN) and
Temperature with 1 V p-p Full Scale
0
–1.00
–40
80
TEMPERATURE (°C)
–20
0
204060
G
A
IN
/O
FF
S
E
T
E
R
O
R
(
%
FS
R
)
–0.25
–0.50
–0.75
OFFSET ERROR
GAIN ERROR
05
49
1-
0
35
Figure 23. AD9246 Gain and Offset vs. Temperature
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