參數(shù)資料
型號(hào)： DAC5674EVM
廠商： Texas Instruments
文件頁(yè)數(shù)： 19/39頁(yè)
文件大?。?/td> 0K
描述： EVAL MODULE FOR DAC5674
產(chǎn)品培訓(xùn)模塊： Data Converter Basics
標(biāo)準(zhǔn)包裝： 1
系列： CommsDAC™
DAC 的數(shù)量： 1
位數(shù)： 14
采樣率（每秒）： 400M
數(shù)據(jù)接口： 并聯(lián)
設(shè)置時(shí)間： 20ns
DAC 型： 電流
工作溫度： -40°C ~ 85°C
已供物品： 板
已用 IC / 零件： DAC5674
相關(guān)產(chǎn)品： DAC5674IPHPRG4-ND - IC DAC 14BIT 400MSPS 48-HTQFP
DAC5674IPHPR-ND - IC DAC 14BIT 400MSPS 48-HTQFP
DAC5674IPHPG4-ND - IC DAC 14BIT 400MSPS 48-HTQFP
296-15726-ND - IC DAC 14BIT 400MSPS 48-HTQFP
其它名稱(chēng)： 296-30860
DAC5674EVM-ND
DAC5674
SLWS148A SEPTEMBER 2003 REVISED OCTOBER 2005
www.ti.com
26
RT
50
CAC
0.01
F
CAC
0.01
F
RT
50
VTT
Differential
ECL
or
(LV)PECL
Source
+
CLK
CLKC
Figure 32. Driving the DAC5674 With Differential ECL/PECL Clock Source
RT
50
CAC
0.01
F
CAC
0.01
F
RT
50
VTT
Single-Ended
ECL
or
(LV)PECL
Source
ECL/PECL
Gate
CLK
CLKC
Figure 33. Driving the DAC5674 With a Single-Ended ECL/PECL Clock Source
Supply Inputs
The DAC5674 comprises separate analog and digital supplies at AVDD, DVDD, and IOVDD. These supplies
can range from 3 V to 3.6 V for AVDD, 1.65 to 1.95 V for DVDD, and 1.65 to 3.6 for IOVDD.
DAC Transfer Function
The DAC5674 delivers complementary output currents IOUT1 and IOUT2. The DAC supports straight binary
coding, with D13 being the MSB and D0 the LSB. Output current IOUT1 equals the approximate full-scale output
current when all input bits are set high, i.e., the binary input word has the decimal representation 16383.
Full-scale output current flows through terminal IOUT2 when all input bits are set low (mode 0, straight binary
input). The relation between IOUT1 and IOUT2 can thus be expressed as:
IOUT1
+ 2
N
* 1
2N
IOUT
FS * IOUT2
Where IOUTFS is the full-scale output current, N = 14 bits. The output currents can be expressed as:
IOUT1
+ IOUT
FS
CODE
16384
IOUT2
+ IOUT
FS
16383
* CODE
16384
Where CODE is the decimal representation of the DAC data input word. Output currents IOUT1 and IOUT2
drive resistor loads (RL) or a transformer with equivalent input load resistance (RL). This would translate into
single-ended voltages VOUT1 and VOUT2 at terminal IOUT1 and IOUT2, respectively, of:
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DAC5674IPHP 功能描述:數(shù)模轉(zhuǎn)換器- DAC 14-Bit 400 CommsDAC 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(lèi)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
DAC5674IPHPG4 功能描述:數(shù)模轉(zhuǎn)換器- DAC 14-Bit 400 CommsDAC 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(lèi)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
DAC5674IPHP-ND 制造商: 功能描述: 制造商:undefined 功能描述:
DAC5674IPHPR 功能描述:數(shù)模轉(zhuǎn)換器- DAC 14-Bit 400 CommsDAC 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(lèi)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
DAC5674IPHPRG4 功能描述:數(shù)模轉(zhuǎn)換器- DAC 14-Bit 400 CommsDAC 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(lèi)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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