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參數資料
| 型號： | DAC1408D650HN |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | DAC |
| 英文描述： | Dual 14-bit DAC; up to 650 Msps; 2×, 4× or 8× interpolating |
| 中文描述： | 14-BIT DAC, PQCC64 |
| 封裝： | 9 X 9 MM, 0.85 MM HEIGHT, PLASTIC, VQFN-64 |
| 文件頁數： | 1/98頁 |
| 文件大?。?/td> | 2600K |
| 代理商： | DAC1408D650HN |
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1. General description
The DAC1408D650 is a high-speed 14-bit dual channel Digital-to-Analog Converter
(DAC) with selectable 2
, 4
or 8
interpolating filters optimized for multi-carrier WCDMA
transmitters.
Because of its digital on-chip modulation, the DAC1408D650 allows the complex pattern
provided through lane 0, lane 1, lane 2 and lane 3, to be converted from baseband to IF.
The mixing frequency is adjusted via a Serial Peripheral Interface (SPI) with a 32-bit
Numerically Controlled Oscillator (NCO) and the phase is controlled by a 16-bit register.
The DAC1408D650 also includes a 2
, 4
or 8
clock multiplier which provides the
appropriate internal clocks and an internal regulation to adjust the output full-scale
current.
The input data format is serial according to JESD204A specification. This new interface
has numerous advantages over the traditional parallel one: easy PCB layout, lower
radiated noise, lower pin count, self-synchronous link, skew compensation. The maximum
number of lanes of the DAC1408D650 is 4 and its maximum serial data rate is
3.125 Gbps.
The Multiple Device Synchronization (MDS) guarantees a maximum skew of one output
clock period between several DAC devices. MDS incorporates modes: Master/slave and
All slave mode.
2. Features and benefits
Dual 14-bit resolution
DAC1408D650
Dual 14-bit DAC; up to 650 Msps; 2
, 4
or 8
interpolating
with JESD204A interface
Rev. 4 — 26 November 2010
Product data sheet
IMD3: 80 dBc; f
s
= 640 Msps;
f
o
= 140 MHz
ACPR: 71 dBc; two carriers WCDMA;
f
s
= 640 Msps; f
o
= 133 MHz
Typical 1.26 W power dissipation at 4
interpolation, PLL off and 640 Msps
Power-down mode and Sleep modes
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
650 Msps maximum update rate
Selectable 2
, 4
or 8
interpolation
filters
Input data rate up to 312.5 Msps
Very low-noise cap-free integrated PLL
32-bit programmable NCO frequency
Four JESD204A serial input lanes
1.8 V and 3.3 V power supplies
LVDS compatible clock inputs
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相關代理商/技術參數 |
參數描述 |
|---|---|
| DAC1408D650HN/C1,5 | 功能描述:數模轉換器- DAC DL 14BIT DAC 650MSPS 2X 4X OR 8X INT 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 |
| DAC1408D650HN-C1 | 功能描述:數模轉換器- DAC 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 |
| DAC1408D650HN-C18 | 功能描述:數模轉換器- DAC 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 |
| DAC1408D650HW/C1 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Dual 14-bit DAC, up to 650 Msps, 2′ and 4′ interpolating with JESD204A interface |
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