参数资料
型号: DAC5674EVM
厂商: Texas Instruments
文件页数: 19/39页
文件大小: 0K
描述: EVAL MODULE FOR DAC5674
产品培训模块: Data Converter Basics
标准包装: 1
系列: CommsDAC™
DAC 的数量: 1
位数: 14
采样率(每秒): 400M
数据接口: 并联
设置时间: 20ns
DAC 型: 电流
工作温度: -40°C ~ 85°C
已供物品:
已用 IC / 零件: DAC5674
相关产品: 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
其它名称: 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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相关代理商/技术参数
参数描述
DAC5674IPHP 功能描述:数模转换器- DAC 14-Bit 400 CommsDAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube
DAC5674IPHPG4 功能描述:数模转换器- DAC 14-Bit 400 CommsDAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube
DAC5674IPHP-ND 制造商: 功能描述: 制造商:undefined 功能描述:
DAC5674IPHPR 功能描述:数模转换器- DAC 14-Bit 400 CommsDAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube
DAC5674IPHPRG4 功能描述:数模转换器- DAC 14-Bit 400 CommsDAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube