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參數(shù)資料
| 型號(hào)： | AD9740ARU |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | DAC |
| 英文描述： | 10-Bit, 165 MSPS TxDAC D/A Converter |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 0.011 us SETTLING TIME, 10-BIT DAC, PDSO28 |
| 封裝： | MO-153AE, TSSOP-28 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大小： | 743K |
| 代理商： | AD9740ARU |
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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 that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
a
AD9740
*
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
Analog Devices, Inc., 200210-Bit, 165 MSPS
TxDAC
D/A Converter
FUNCTIONAL BLOCK DIAGRAM
150pF
+1.20V REF
REFIO
FS ADJ
AVDD
ACOM
REFLO
CURRENT
SOURCE
ARRAY
3.3V
SEGMENTED
SWITCHES
LSB
SWITCH
DVDD
DCOM
CLOCK
3.3V
R
SET
0.1 F
CLOCK
IOUTA
IOUTB
LATCHES
AD9740
SLEEP
DIGITAL DATA INPUTS (DB9–DB0)
MODE
FEATURES
High-Performance Member of Pin-Compatible
TxDAC Product Family
Excellent Spurious-Free Dynamic Range Performance
SNR @ 5 MHz Output, 125 MSPS: 65 dB
Two’s Complement or Straight Binary Data Format
Differential Current Outputs: 2 mA to 20 mA
Power Dissipation: 135 mW @ 3.3 V
Power-Down Mode: 15 mW @ 3.3 V
On-Chip 1.20 V Reference
CMOS-Compatible Digital Interface
Package: 28-Lead SOIC and TSSOP Packages
Edge-Triggered Latches
APPLICATIONS
Wideband Communication Transmit Channel:
Direct IF
Base Stations
Wireless Local Loop
Digital Radio Link
Direct Digital Synthesis (DDS)
Instrumentation
PRODUCT DESCRIPTION
The AD9740 is a 10-bit resolution, wideband, third generation
member of the TxDAC series of high-performance, low power
CMOS digital-to-analog converters (DACs). The TxDAC family,
consisting of pin-compatible 8-, 10-, 12-, and 14-bit DACs, is
specifically optimized for the transmit signal path of communica-
tion systems. All of the devices share the same interface options,
small outline package, and pinout, providing an upward or down-
ward component selection path based on performance, resolution,
and cost. The AD9740 offers exceptional ac and dc performance
while supporting update rates up to 165 MSPS.
The AD9740’s low power dissipation makes it well suited for
portable and low power applications. Its power dissipation can be
further reduced to a mere 60 mW with a slight degradation in
performance by lowering the full-scale current output. Also, a
power-down mode reduces the standby power dissipation to
approximately 15 mW. A segmented current source architecture
is combined with a proprietary switching technique to reduce
spurious components and enhance dynamic performance. Edge-
triggered input latches and a 1.2 V temperature compensated
band gap reference have been integrated to provide a complete
monolithic DAC solution. The digital inputs support 3 V CMOS
logic families.
PRODUCT HIGHLIGHTS
1. The AD9740 is the 10-bit member of the pin-compatible
TxDAC family that offers excellent INL and DNL
performance.
2. Data input supports two’s complement or straight binary
data coding.
3. High-speed, single-ended CMOS clock input supports
165 MSPS conversion rate.
4. Low power: Complete CMOS DAC function operates on
135 mW from a 3.0 V to 3.6 V single supply. The DAC full-
scale current can be reduced for lower power operation, and
a sleep mode is provided for low power idle periods.
5. On-chip voltage reference: The AD9740 includes a 1.2 V
temperature-compensated band gap voltage reference.
6. Industry standard 28-lead SOIC and TSSOP packages.
TxDAC is a registered trademark of Analog Devices, Inc.
*
Protected by U.S. Patent Numbers 5568145, 5689257, and 5703519.
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| AD9740ARURL7 | 功能描述:IC DAC 10BIT 210MSPS 28-TSSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:TxDAC® 標(biāo)準(zhǔn)包裝:47 系列:- 設(shè)置時(shí)間:2µs 位數(shù):14 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 電壓電源:單電源 功率耗散（最大）:55µW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:28-SSOP 包裝:管件 輸出數(shù)目和類型:1 電流，單極；1 電流，雙極 采樣率（每秒）:* |
| AD9740ARUZ | 功能描述:IC DAC 10BIT 210MSPS 28-TSSOP 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(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 設(shè)置時(shí)間:4µs 位數(shù):12 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-uMAX 包裝:管件 輸出數(shù)目和類型:2 電壓，單極 采樣率（每秒）:* 產(chǎn)品目錄頁面:1398 (CN2011-ZH PDF) |
| AD9740ARUZ1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:10-Bit, 210 MSPS TxDAC D/A Converter |
| AD9740ARUZRL7 | 功能描述:IC DAC 10BIT 210MSPS 28-TSSOP 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(xùn)模塊:LTC263x 12-, 10-, and 8-Bit VOUT DAC Family 特色產(chǎn)品:LTC2636 - Octal 12-/10-/8-Bit SPI VOUT DACs with 10ppm/°C Reference 標(biāo)準(zhǔn)包裝:91 系列:- 設(shè)置時(shí)間:4µs 位數(shù):10 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉(zhuǎn)換器數(shù)目:8 電壓電源:單電源 功率耗散（最大）:2.7mW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:14-DFN-EP（4x3） 包裝:管件 輸出數(shù)目和類型:8 電壓，單極 采樣率（每秒）:* |
| AD9740ARZ | 功能描述:IC DAC 10BIT 210MSPS 28-SOIC 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(biāo)準(zhǔn)包裝:1 系列:- 設(shè)置時(shí)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(yīng)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 |
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