參數(shù)資料
型號(hào)： 5962-0720401VXC
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： DAC
英文描述： PARALLEL, WORD INPUT LOADING, 0.012 us SETTLING TIME, 14-BIT DAC, CQFP52
封裝： CERAMIC, QFP-52
文件頁(yè)數(shù)： 7/23頁(yè)
文件大?。?/td> 579K
代理商： 5962-0720401VXC
Internal
DigitalIn
110
Termination
Resistor
Internal
Digital In
D[13:0]A
D[13..0]A
D[13..0]B
D[13:0]B
DGND
DV
DD
DAC5675A
Internal
Digital In
DVDD
DGND
Digital Input
DAC5675A
www.ti.com ..................................................................................................................................................... SGLS387D – JULY 2007 – REVISED OCTOBER 2009
Digital Inputs
The DAC5675A uses a low-voltage differential signaling (LVDS) bus input interface. The LVDS features a low
differential voltage swing with low constant power consumption (4 mA per complementary data input) across
frequency. The differential characteristic of LVDS allows for high-speed data transmission with low
electromagnetic interference (EMI) levels. Figure 15 shows the equivalent complementary digital input interface
for the DAC5675A, valid for pins D[13:0]A and D[13:0]B. Note that the LVDS interface features internal 110-
resistors for proper termination. Figure 2 shows the LVDS input timing measurement circuit and waveforms. A
common-mode level of 1.2 V and a differential input swing of 0.8 VPP is applied to the inputs.
Figure 16 shows a schematic of the equivalent CMOS/TTL-compatible digital inputs of the DAC5675A, valid for
the SLEEP pin.
Figure 15. LVDS Digital Equivalent Input
Figure 16. CMOS/TTL Digital Equivalent Input
Clock Input
The DAC5675A features differential LVPECL-compatible clock inputs (CLK, CLKC). Figure 17 shows the
equivalent schematic of the clock input buffer. The internal biasing resistors set the input common-mode voltage
to approximately 2 V, while the input resistance is typically 670
. A variety of clock sources can be ac-coupled
to the device, including a sine-wave source (see Figure 18).
Copyright 2007–2009, Texas Instruments Incorporated
15
Product Folder Link(s): DAC5675A-SP
相關(guān)PDF資料
PDF描述
5962-0720601VXC 3-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, CQFP52
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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5962-0720701VXC 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:CLASS V, 13 BIT, 250 MSPS ANALOG-TO-DIGITAL CONVERTER
5962-0720801VXC 制造商:Texas Instruments 功能描述:ADS5463MHFG-V - Rail/Tube
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