参数资料
型号: AD9246BCPZRL7-125
厂商: Analog Devices Inc
文件页数: 3/44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 11 of 44
TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 1.8 V; DRVDD = 2.5 V; maximum sample rate, DCS enabled, 1 V internal reference; 2 V p-p differential input;
AIN = 1.0 dBFS; 64k sample; TA = 25°C, unless otherwise noted. All figures show typical performance for all speed grades.
0
–140
0
62.500
FREQUENCY (MHz)
AM
P
L
IT
U
D
E
(
d
BF
S
)
–20
–40
–60
–80
–100
–120
15.625
31.250
46.875
125MSPS
2.3MHz @ –1dBFS
SNR = 71.9dB (72.9dBFS)
ENOB = 11.7 BITS
SFDR = 90dBc
05
49
1-
0
13
Figure 12. AD9246-125 Single-Tone FFT with fIN = 2.3 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
30.3MHz @ –1dBFS
SNR = 71.9dBc (72.9dBFS)
ENOB = 11.6 BITS
SFDR = 88.8dBc
05
49
1-
0
14
Figure 13. AD9246-125 Single-Tone FFT with fIN = 30.3 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
70.3MHz @ –1dBFS
SNR = 71.7dB (72.7dBFS)
ENOB = 11.5 BITS
SFDR = 85dBc
05
49
1-
0
15
Figure 14. AD9246-125 Single-Tone FFT with fIN = 70.3 MHz
0
–140
0
62.500
FREQUENCY (MHz)
AM
P
L
IT
U
D
E
(
d
BF
S
)
–20
–40
–60
–80
–100
–120
15.625
31.250
46.875
125MSPS
100.3MHz @ –1dBFS
SNR = 71.6dBc (72.6dBFS)
ENOB = 11.5 BITS
SFDR = 85dBc
05
49
1-
0
16
Figure 15. AD9246-125 Single-Tone FFT with fIN = 100.3 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
140.3MHz @ –1dBFS
SNR = 71dB (72dBFS)
ENOB = 11.4 BITS
SFDR = 85dBc
05
49
1-
0
17
Figure 16. AD9246-125 Single-Tone FFT with fIN = 140.3 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
170.3MHz @ –1dBFS
SNR = 70.8dB (71.8dBFS)
ENOB = 11.4 BITS
SFDR = 83.4dBc
05
49
1-
0
18
Figure 17. AD9246-125 Single-Tone FFT with fIN = 170.3 MHz
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