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參數(shù)資料
| 型號(hào)： | DAC1401D125HL |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | DAC |
| 英文描述： | Dual 14-bit DAC, up to 125 Msps |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 0.043 us SETTLING TIME, 14-BIT DAC, PQFP48 |
| 封裝： | 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC. LQFP-48 |
| 文件頁數(shù)： | 20/25頁 |
| 文件大?。?/td> | 359K |
| 代理商： | DAC1401D125HL |
DAC1401D125_1
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 01 — 13 November 2008
20 of 25
NXP Semiconductors
DAC1401D125
Dual 14-bit DAC, up to 125 Msps
10.7.1
Differential output using transformer
The use of a differentially coupled transformer output (see
Figure 21
) provides optimum
distortion performance. In addition, it helps to match the impedance and provides
electrical isolation.
The center tap is grounded to allow the DC current flow to/from both outputs. If the center
tap is open, the differential resistor must be replaced by two resistors connected to
ground.
10.7.2
Single-ended output
Using a single load resistor on one current output will provide an unipolar output range,
typically from 0 V to 0.5 V with a 20 mA full-scale current at a 50
load.
The resistor on the other current output is 25
.
10.8 Power-down function
The DAC1404D125 has a power-down function to reduce the power consumption when it
is not active.
Fig 21. Differential output with transformer
001aai935
IOUTAN/
IOUTBN
Rdiff
Rload
IOUTAP/
IOUTBP
T1-1T
1:1
Fig 22. Single-ended output
001aai936
IOUTAN/
IOUTBN
50
20 mA
Z = 50
50
0 V to 0.5 V
IOUTAP/
IOUTBP
25
Table 9.
PWD
0
1
Power-down
Device function
active
not active
Power dissipation (typ)
185 mW
16.5 mW
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DAC1401D125HL/C1,1 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC DAC 2-CH Segment 14-Bit 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 |
| DAC1401D125HL/C1,118 | 制造商:NXP Semiconductors 功能描述: |
| DAC1401D125HL-C1 | 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 |
| DAC1401D125HL-C18 | 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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