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| 型号： | DAC5687IPZP |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | DAC |
| 英文描述： | PARALLEL, WORD INPUT LOADING, 0.0104 us SETTLING TIME, 16-BIT DAC, PQFP100 |
| 封装： | GREEN, PLASTIC, HTQFP-100 |
| 文件页数： | 55/79页 |
| 文件大小： | 2490K |
| 代理商： | DAC5687IPZP |
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www.ti.com
B0046-01
TRF3701
TRF3702
GND
205
205
15.4
15.4
15.4
15.4
GND
205
205
5 V
50
50
5 V
50
50
B0046-02
AQM
205
205
205
205
5 V
66.5
66.5
5 V
66.5
66.5
0 V
Nonharmonic Clock-Related Spurious Signals
SLWS164E – FEBRUARY 2005 – REVISED SEPTEMBER 2006
Figure 68. DAC5687 Passive Interface to TRF3701/2 Analog Quadrature Modulator
Changing the voltage levels and resistor values enables other common-mode voltages at the analog quadrature
modulator input. For example, the network shown in Figure 69 can produce a 3.3-V common mode for the
TRF3703-33, with a 0.96-VPP single-ended swing (1.56-VPP differential swing).
Figure 69. DAC5687 Passive Interface to TRF3703-33 Analog Quadrature Modulator
In interpolating DACs, imperfect isolation between the digital and DAC clock circuits generates spurious signals
at frequencies related to the DAC clock rate. The digital interpolation filters in these DACs run at subharmonic
frequencies of the output rate clock, where these frequencies are fDAC/2
N, N = 1 – 3. For example, for X2 mode
there is only one interpolation filter running at fDAC/2; for X4 and X4L modes, on the other hand, there are two
interpolation filters running at fDAC/2 and fDAC/4. In X8 mode, there are three interpolation filters running at fDAC/2,
fDAC/4, and fDAC/8. These lower-speed clocks for the interpolation filter mix with the DAC clock circuit and create
spurious images of the wanted signal and second Nyquist-zone image at offsets of fDAC/2
N.
Copyright 2005–2006, Texas Instruments Incorporated
59
Product Folder Link(s): DAC5687
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| DAC5687IPZPG4 | 功能描述:数模转换器- DAC 16-bit 500 MSPS 2-8x Interpolat’g Dual-Ch 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 |
| DAC5687IPZPR | 功能描述:数模转换器- DAC 16-bit 500 MSPS 2-8x Interpolat’g Dual-Ch 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 |
| DAC5687IPZPRG4 | 功能描述:数模转换器- DAC 16-bit 500 MSPS 2-8x Interpolat’g Dual-Ch 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 |
| DAC5687MPZPEP | 功能描述:数模转换器- DAC 16B 500Msps 2X-8X Interp 2-Channel DAC 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 |
| DAC5688 | 制造商:TI 制造商全称:Texas Instruments 功能描述:DUAL-CHANNEL, 16-BIT, 800 MSPS, 2x-8x INTERPOLATING DIGITAL-TO-ANALOG CONVERTER (DAC) |
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