参数资料
型号: AD9280ARSRL
厂商: Analog Devices Inc
文件页数: 9/24页
文件大小: 0K
描述: IC ADC 8BIT CMOS 32MSPS 28-SSOP
产品变化通告: AD9280 Pin Configuration Description Change 21/Apr/2010
Product Discontinuance 27/Oct/2011
标准包装: 1,500
位数: 8
采样率(每秒): 32M
数据接口: 并联
转换器数目: 1
功率耗散(最大): 110mW
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: 28-SSOP(0.209",5.30mm 宽)
供应商设备封装: 28-SSOP
包装: 带卷 (TR)
输入数目和类型: 1 个单端,单极
AD9280
–17–
Figures 35–38 combine the dual-tone SFDR as well as single
tone SFDR and SNR performance at IF frequencies of 45 MHz,
70 MHz, 85 MHz and 135 MHz. Note, the SFDR vs. ampli-
tude data is referenced to dBFS while the single tone SNR data
INPUT POWER LEVEL – dBFS
70
0
–0.5
–40
–5
WORST
CASE
SPURIOUS
dBFS
SNR
dBc
–10
–15
–20
–25
–30
–35
60
40
30
20
10
50
SNR
DUAL TONE SFDR
SINGLE TONE SFDR
CLK = 25.7MHz
SINGLE TONE = 45.5MHz
DUAL TONE F1 = 44.5MHz
F2 = 45.5MHz
Figure 35. SNR/SFDR for IF @ 45 MHz
INPUT POWER LEVEL – dBFS
70
0
–0.5
–40
–5
WORST
CASE
SFDR
dBFS
SNR
dBc
–10
–15
–20
–25
–30
–35
60
40
30
20
10
50
SNR
DUAL TONE SFDR
SINGLE TONE SFDR
CLK = 31.1MHz
SINGLE TONE = 70.5MHz
DUAL TONE F1 = 69.5MHz
F2 = 70.5MHz
Figure 36. SNR/SFDR for IF @ 70 MHz
is referenced to dBc. The AD9280 was operated in the differen-
tial mode (via transformer) with a 1 V span. The analog sup-
ply (AVDD) and the digital supply (DRVDD) were set to +5 V
and 3.3 V, respectively.
INPUT POWER LEVEL – dBFS
80
0
–0.5
–40
–5
WORST
CASE
SPURIOUS
dBFS
SNR
dBc
–10
–15
–20
–25
–30
–35
70
40
30
20
10
60
50
SNR
DUAL TONE SFDR
SINGLE TONE SFDR
CLK = 30.9MHz
SINGLE TONE = 85.5MHz
DUAL TONE F1 = 84.5MHz
F2 = 85.5MHz
Figure 37. SNR/SFDR for IF @ 85 MHz
INPUT POWER LEVEL – dBFS
70
0
–0.5
–40
–5
WORST
CASE
SPURIOUS
dBFS
SNR
dBc
–10
–15
–20
–25
–30
–35
60
40
30
20
10
50
SNR
SINGLE TONE SFDR
FS = 32MHz
SINGLE TONE = 135.5MHz
F1 = 134.5MHz
F2 = 135.5MHz
DUAL TONE SFDR
Figure 38. SNR/SFDR for IF @ 135 MHz
REV. E
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