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參數(shù)資料
| 型號(hào)： | MAX5858 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Quadruple 2-Input Exclusive-OR Gates 14-CDIP -55 to 125 |
| 中文描述： | 雙路、10位、300Msps、電流輸出DAC，帶有4倍/2倍/1倍插值濾波器 |
| 文件頁數(shù)： | 13/23頁 |
| 文件大小： | 809K |
| 代理商： | MAX5858 |
M
Dual, 10-Bit, 300Msps, Current-Output DAC with
4x/2x/1x Interpolation Filters
______________________________________________________________________________________
13
Detailed Description
The MAX5858 dual, high-speed, 10-bit, current-output
DAC provides superior performance in communication
systems requiring low-distortion analog-signal recon-
struction. The MAX5858 combines two DACs with 2x/4x
programmable digital interpolation filters, divide-by-N
clock output, and an on-chip 1.24V reference. The cur-
rent outputs of the DACs can be configured for differen-
tial or single-ended operation. The full-scale output
current range is adjustable from 2mA to 20mA to opti-
mize power dissipation and gain control.
The MAX5858 accepts an input data rate to 165MHz or
a DAC conversion rate of 300MHz. The inputs are
latched on the rising edge of the clock whereas the out-
put latches on the following rising edge.
The two-stage digital interpolation filters are program-
mable to 4x, 2x, or no interpolation. When operating in
4x interpolation mode, the interpolator increases the
DAC conversion by a factor of four, providing a four-
fold increase in separation between the reconstructed
waveform spectrum and its first image.
The MAX5858 features three modes of operation: normal,
standby, and power-down. These modes allow efficient
power management. In power-down, the MAX5858 con-
sumes only 1μA of supply current. Wake-up time from
standby mode to normal DAC operation is 0.7μs.
Programming the DAC
An 8-bit control word routed through channel A
’
s data
port programs the gain matching, interpolator configu-
ration, and operational mode of the MAX5858. The con-
trol word is latched on the falling edge of
CW
. Table 1
represents the control word format and function.
The gain on channel A can be adjusted to achieve gain
matching between two channels in a user
’
s system.
The gain on channel A can be adjusted from -0.4dB to
0.35dB in steps of 0.05dB by using bits G3 to G0 (see
Table 3).
2x DIGITAL
INTERPOLATION
FILTER
2x DIGITAL
INTERPOLATION
FILTER
INPUT
REGISTER
10-BIT
300MHz
DAC
10
10
10
10
DA9–DA0
OUTPA
OUTNA
2x DIGITAL
INTERPOLATION
FILTER
2x DIGITAL
INTERPOLATION
FILTER
INPUT
REGISTER
10-BIT
300MHz
DAC
10
10
10
10
DB9–DB0
OUTPB
OUTNB
CONTROL REGISTER
1.24V REFERENCE AND CONTROL AMPLIFIER
CLK
CLKXN
CLKXP
F2EN
F1EN
AGND
REFR
R
SET
DGND
CGND
REFO
REN
CW
IDE
DV
DD
CV
DD
AV
DD
MAX5858
Simplified Block Diagram
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5858AECM | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX5858AECM+D | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 10-Bit 2Ch 300Msps DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5858AECM+TD | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 10-Bit 2Ch 300Msps DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5858AECM-D | 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5858AECM-TD | 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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