參數(shù)資料
型號： DAC1627D1G25HN
廠商： NXP Semiconductors N.V.
元件分類： 外設及接口
英文描述： Dual 16-bit DAC, up to 1.25 Gsps; 2x 4x and 8x interpolating
封裝： DAC1627D1G25HN/C1<SOT813-3 (HVQFN72)|<<http://www.nxp.com/packages/SOT813-3.html<1<Always Pb-free,;
文件頁數(shù)： 30/69頁
文件大小： 1677K
代理商： DAC1627D1G25HN
DAC1627D1G25
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Objective data sheet
Rev. 1 — 29 April 2011
30 of 69
NXP Semiconductors
DAC1627D1G25
Dual 16-bit DAC: up to 1.25 Gsps; x2, x4 and x8 interpolating
Table 21.
DAC_A_OFFSET[15:0]
DAC_B_OFFSET[15:0]
(two’s complement)
1000 0000 0000 0000
1000 0000 0000 0001
...
1111 1111 1111 1111
0000 0000 0000 0000
0000 0000 0000 0001
...
0111 1111 1111 1110
0111 1111 1111 1111
10.14 Analog output
The device has two output channels, producing two complementary current outputs,
which enable the reduction of even-order harmonics and noise. The pins are
IOUTAP/IOUTAN and IOUTBP/IOUTBN. They have to be connected via a load resistor R
L
to the 3.3 V analog power supply (V
DDA(3V3)
).
Figure 21
shows the equivalent analog output circuit of one DAC. This circuit includes a
parallel combination of NMOS current sources and associated switches for each
segment.
The cascode source configuration increases the output impedance of the source, which
improves the dynamic performance of the DAC because there is less distortion.
Depending on the application, the various stages and the targeted performances, the
device can be used for an output level of up to 2 V (p-p).
Digital offset adjustment
Offset applied
32768
32767
...
1
0
+1
...
+32766
+32767
Fig 21. Equivalent analog output circuit
001aan835
RL
IOUTAP/IOUTBP
IOUTAN/IOUTBN
3.3 V
GND
GND
RL
3.3 V
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相關代理商/技術參數(shù)
參數(shù)描述
DAC1627D1G25HN/C1, 功能描述:調節(jié)器/解調器 DUAL 16b 1.25GSPS to 1.25 Gsps RoHS:否 制造商:Texas Instruments 封裝 / 箱體:PVQFN-N24 封裝:Reel
DAC1627D1G25HN/C1,551 功能描述:調節(jié)器/解調器 Dual 16-bit DAC, up to 1.25 Gsps RoHS:否 制造商:Texas Instruments 封裝 / 箱體:PVQFN-N24 封裝:Reel
DAC1627D1G25HN-C1 功能描述:數(shù)模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
DAC1627D1G25HN-C18 制造商:Integrated Device Technology Inc 功能描述:HVQFN72 - Tape and Reel
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