參數(shù)資料
型號(hào): MAX5858ECM+D
廠商: Maxim Integrated Products
文件頁數(shù): 7/23頁
文件大小: 0K
描述: IC DAC 10BIT DUAL 300MSPS 48TQFP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 250
設(shè)置時(shí)間: 11ns
位數(shù): 10
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 2
電壓電源: 單電源
功率耗散(最大): 816mW
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-TQFP 裸露焊盤
供應(yīng)商設(shè)備封裝: 48-TQFP 裸露焊盤(7x7)
包裝: 托盤
輸出數(shù)目和類型: 2 電流,單極
采樣率(每秒): 300M
MAX5858
Dual, 10-Bit, 300Msps, Current-Output DAC with
4x/2x/1x Interpolation Filters
______________________________________________________________________________________
15
SINGLE 10-BIT BUS
SAVES I/O PINS
DATA CLOCK OUT
fDATA = 71.6MHz
CLOCK SOURCE
fDAC = 286.4MHz
INTERLEAVE
DATA
LATCH
DATA
LATCH
10-BIT
DIGITAL BASEBAND
OFDM PROCESSOR
QAM-MAPPER
FS ANALOG OUT
MAINTAINED OVER
ENTIRE SUPPLY RANGE
2.7V TO 3.3V
DATA
LATCH
10-BIT BUS
DIV-4
DIV-2
DIV-1
INTERPOLATING
FILTERS
4x/2x
SINGLE SUPPLY
2.7V TO 3.3V
CH-1
DAC
CH-2
DAC
AOUT2
AOUT1
INTERPOLATING
FILTERS
4x/2x
Figure 2. Typical Application Circuit
OPTION
SOLUTION
ADVANTAGE
DISADVANTAGE
1
No interpolation
2.6x oversample
fDAC = fDATA = 78MHz
Low data rate
Low clock rate
High order filter
Filter gain/phase match
2
No interpolation
8x oversample
fDAC = fDATA = 240MHz
Push image to fIMAGE = 210MHz
Lower order filter
Filter gain/phase match
High clock rate
High data rate
3
4x interpolation
fDAC = 286.4MHz, fDATA = 71.6MHz
Passband attenuation = 0.1dB
Push image to 256MHz
Low data rate
Low order filter
60dB image attenuate
Filter gain/phase match
None
Table 4. Benefits of Interpolation
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