参数资料
型号: MAX5858AECM+D
厂商: Maxim Integrated Products
文件页数: 8/25页
文件大小: 0K
描述: IC DAC 10BIT DUAL 300MSPS 48TQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 250
设置时间: 11ns
位数: 10
数据接口: 并联
转换器数目: 2
电压电源: 单电源
功率耗散(最大): 816mW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-TQFP 裸露焊盘
供应商设备封装: 48-TQFP 裸露焊盘(7x7)
包装: 托盘
输出数目和类型: 2 电流,单极
采样率(每秒): 300M
MAX5858A
Dual, 10-Bit, 300Msps, DAC with 4x/2x/1x
Interpolation Filters and PLL
16
______________________________________________________________________________________
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 BUS
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
CHA
DAC
CHB
DAC
BOUT
AOUT
INTERPOLATING
FILTERS
4x/2x
MAX5858A
10
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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