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參數(shù)資料
| 型號： | AD9755AST |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | DAC |
| 英文描述： | 12-Bit, 300 MSPS High-Speed TxDAC+?? D/A Converter |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 0.011 us SETTLING TIME, 14-BIT DAC, PQFP48 |
| 封裝： | PLASTIC, MS-026BBC, LQFP-48 |
| 文件頁數(shù)： | 1/26頁 |
| 文件大?。?/td> | 904K |
| 代理商： | AD9755AST |
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
AD9753
*
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 2001
12-Bit, 300 MSPS
High-Speed TxDAC+
D/A Converter
FUNCTIONAL BLOCK DIAGRAM
AVDD
ACOM
REFIO
FSADJ
PORT1
I
OUTA
I
OUTB
AD9753
DVDD
DCOM
LATCH
LATCH
CLK+
CLK–
CLKVDD
PLLVDD
CLKCOM
RESET LPF DIV0 DIV1 PLLLOCK
PLL
CLOCK
MULTIPLIER
D
DAC
REFERENCE
MUX
PORT2
PRODUCT DESCRIPTION
The AD9753 is a dual, muxed port, ultrahigh-speed, single-
channel, 12-bit CMOS DAC. It integrates a high-quality 12-bit
TxDAC+
core, a voltage reference, and digital interface circuitry
into a small 48-lead LQFP package. The AD9753 offers excep-
tional ac and dc performance while supporting update rates up
to 300 MSPS.
The AD9753 has been optimized for ultrahigh-speed applica-
tions up to 300 MSPS where data rates exceed those possible on
a single data interface port DAC. The digital interface consists
of two buffered latches as well as control logic. These latches
can be time multiplexed to the high-speed DAC in several ways.
This PLL drives the DAC latch at twice the speed of the exter-
nally applied clock and is able to interleave the data from the
two input channels. The resulting output data rate is twice that
of the two input channels. With the PLL disabled, an external
2
×
clock may be supplied and divided by two internally.
The CLK inputs (CLK+/CLK–) can be driven either differen-
tially or single-endedly, with a signal swing as low as 1 V p-p.
FEATURES
12-Bit Dual Muxed Port DAC
300 MSPS Output Update Rate
Excellent SFDR and IMD Performance
SFDR to Nyquist @ 25 MHz Output: 69 dB
Internal Clock Doubling PLL
Differential or Single-Ended Clock Input
On-Chip 1.2 V Reference
Single 3.3 V Supply Operation
Power Dissipation: 155 mW @ 3.3 V
48-Lead LQFP
APPLICATIONS
Communications: LMDS, LMCS, MMDS
Base Stations
Digital Synthesis
QAM and OFDM
The DAC utilizes a segmented current source architecture com-
bined with a proprietary switching technique to reduce glitch
energy and to maximize dynamic accuracy. Differential current
outputs support single-ended or differential applications. The
differential outputs each provide a nominal full-scale current
from 2 mA to 20 mA.
The AD9753 is manufactured on an advanced low cost 0.35
μ
m
CMOS process. It operates from a single supply of 3.1 V to 3.5V
and consumes 155 mW of power.
PRODUCT HIGHLIGHTS
1. The AD9753 is a member of a pin-compatible family of high-
speed TxDAC+s providing 10-, 12-, and 14-bit resolution.
2. Ultrahigh-Speed 300 MSPS Conversion Rate.
3. Dual 12-Bit Latched, Multiplexed Input Ports. The AD9753
features a flexible digital interface allowing high-speed data
conversion through either a single or dual port input.
4. Low Power. Complete CMOS DAC function operates on
155 mW from a 3.1 V to 3.5 V single supply. The DAC full-
scale current can be reduced for lower power operation.
5. On-Chip Voltage Reference. The AD9753 includes a 1.20 V
temperature-compensated bandgap voltage reference.
TxDAC+ is a registered trademark of Analog Devices, Inc.
*
Protected by U.S. Patent numbers 5450084, 5568145, 5689257 and 5703519.
Other patents pending.
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PDF描述 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD9755-AST | 制造商:Analog Devices 功能描述: |
| AD9755ASTRL | 制造商:Analog Devices 功能描述:DAC 1-CH Segment 14-bit 48-Pin LQFP T/R 制造商:Rochester Electronics LLC 功能描述:14-BIT, 300 MSPS TXDAC+ D/A CONVERTER - Tape and Reel |
| AD9755ASTZ | 功能描述:IC DAC 14BIT 300MSPS 48-LQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:TxDAC+® 標準包裝:1 系列:- 設(shè)置時間:4.5µs 位數(shù):12 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商設(shè)備封裝:8-SOICN 包裝:剪切帶 (CT) 輸出數(shù)目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:* 其它名稱:MCP4921T-E/SNCTMCP4921T-E/SNRCTMCP4921T-E/SNRCT-ND |
| AD9755ASTZRL | 功能描述:IC DAC 14BIT 300MSPS 48-LQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:TxDAC+® 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1,000 系列:- 設(shè)置時間:1µs 位數(shù):8 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:8 電壓電源:雙 ± 功率耗散（最大）:941mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應商設(shè)備封裝:24-SOIC W 包裝:帶卷 (TR) 輸出數(shù)目和類型:8 電壓，單極 采樣率（每秒）:* |
| AD9755-EB | 功能描述:BOARD EVAL FOR AD9755 RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 數(shù)模轉(zhuǎn)換器 (DAC) 系列:TxDAC+® 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- DAC 的數(shù)量:4 位數(shù):12 采樣率（每秒）:- 數(shù)據(jù)接口:串行，SPI? 設(shè)置時間:3µs DAC 型:電流/電壓 工作溫度:-40°C ~ 85°C 已供物品:板 已用 IC / 零件:MAX5581 |
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