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參數資料
| 型號： | DAC1205D650HW |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 外設及接口 |
| 英文描述： | Dual 12-bit DAC, up to 650 Msps; 2x 4x and 8x interpolating |
| 封裝： | DAC1205D650HW/C1<SOT638-1 (HTQFP100)|<<http://www.nxp.com/packages/SOT638-1.html<1<Always Pb-free,;DAC1205D650HW/C1<SOT638-1 (HTQFP100)|<<http://www.nxp.com/packages/SOT6 |
| 文件頁數： | 1/43頁 |
| 文件大小： | 295K |
| 代理商： | DAC1205D650HW |
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1. General description
The DAC1205D650 is a high-speed 12-bit dual-channel Digital-to-Analog Converter
(DAC) with selectable 2
×
, 4
×
or 8
×
interpolating filters optimized for multi-carrier wireless
transmitters.
Thanks to its digital on-chip modulation, the DAC1205D650 allows the complex I and Q
inputs to be converted up from BaseBand (BB) to IF. The mixing frequency is adjusted
using a Serial Peripheral Interface (SPI) with a 32-bit Numerically Controlled Oscillator
(NCO). The phase is controlled by a 16-bit register.
Two modes of operation are available: separate data ports or a single interleaved
high-speed data port. In the Interleaved mode, the input data stream is demultiplexed into
its original I and Q data and then latched.
The DAC1205D650 also includes a 2
×
, 4
×
and 8
×
clock multiplier which provides the
appropriate internal clocks and an internal regulator to adjust the output full-scale current.
2. Features and benefits
Dual 12-bit resolution
650 Msps maximum update rate
DAC1205D650
Dual 12-bit DAC, up to 650 Msps; 2
×
4
×
and 8
×
interpolating
Rev. 2 — 13 September 2010
Product data sheet
IMD3: 79 dBc; f
s
= 640 Msps; f
o
= 96 MHz
ACPR: 68 dB; 2 carriers WCDMA;
f
s
= 614.4 Msps; f
o
= 115.2 MHz; PLL on
Typical 0.95 W power dissipation at 4
×
interpolation
Power-down and Sleep modes
Selectable 2
×
, 4
×
or 8
×
interpolation
filters
Input data rate up to 160 Msps
Very low noise cap-free integrated PLL
Differential scalable output current from
1.6 mA to 22 mA
On-chip 1.25 V reference
External analog offset control
(10-bit auxiliary DACs)
Internal digital offset control
Inverse (sin x) / x function
Fully compatible SPI port
32-bit programmable NCO frequency
Dual-port or Interleaved data modes
1.8 V and 3.3 V power supplies
LVDS compatible clock
Two’s complement or binary offset
data format
3.3 V CMOS input buffers
Industrial temperature range from
40
°
C to +85
°
C
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相關代理商/技術參數 |
參數描述 |
|---|---|
| DAC1205D650HW/C1 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Dual 12-bit DAC, up to 650 Msps; 2′ 4′ and 8′ interpolating |
| DAC1205D650HW/C1,5 | 功能描述:數模轉換器- DAC IC DAC 12BIT 650MSPS DL RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩定時間: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 |
| DAC1205D650HW-C1 | 功能描述:數模轉換器- DAC DAC RoHS:否 制造商:IDT 轉換器數量:2 DAC 輸出端數量:4 轉換速率:650 MSPs 分辨率:12 bit 接口類型:Serial, SPI 穩定時間:20 ns 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-100 封裝: |
| DAC1205D650HW-C18 | 制造商:Integrated Device Technology Inc 功能描述:BST - Tape and Reel |
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