參數(shù)資料
型號: AD9266BCPZ-20
廠商: Analog Devices Inc
文件頁數(shù): 16/32頁
文件大小: 0K
描述: IC ADC 16BIT 20MSPS 32LFCSP
標(biāo)準(zhǔn)包裝: 1
位數(shù): 16
采樣率(每秒): 20M
數(shù)據(jù)接口: 串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 63mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-WFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 32-LFCSP-WQ(5x5)
包裝: 托盤
輸入數(shù)目和類型: 2 個單端,單極;1 個差分,單極
Data Sheet
AD9266
Rev. A | Page 23 of 32
TIMING
The AD9266 provides latched data with a pipeline delay of
eight clock cycles. Data outputs are available one propagation
delay (tPD) after the rising edge of the clock signal.
Minimize the length of the output data lines and loads placed
on them to reduce transients within the AD9266. These
transients can degrade converter dynamic performance.
The lowest typical conversion rate of the AD9266 is 3 MSPS. At
clock rates below 3 MSPS, dynamic performance may degrade.
Data Clock Output (DCO)
The AD9266 provides a data clock output (DCO) signal that is
intended for capturing the data in an external register. The CMOS
data outputs are valid on the rising edge of DCO, unless the DCO
clock polarity has been changed via the SPI. See Figure 2 for
a graphical timing description.
Table 12. Output Data Format
Input (V)
Condition (V)
Offset Binary Output Mode
Twos Complement Mode
OR
VIN+ VIN
< VREF 0.5 LSB
0000 0000 0000 0000
1000 0000 0000 0000
1
VIN+ VIN
= VREF
0000 0000 0000 0000
1000 0000 0000 0000
0
VIN+ VIN
= 0
1000 0000 0000 0000
0000 0000 0000 0000
0
VIN+ VIN
= +VREF 1.0 LSB
1111 1111 1111 1111
0111 1111 1111 1111
0
VIN+ VIN
> +VREF 0.5 LSB
1111 1111 1111 1111
0111 1111 1111 1111
1
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