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參數資料
| 型號： | AD9741BCPZRL |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 1/28頁 |
| 文件大小： | 0K |
| 描述： | IC DAC DUAL 8BIT 250MSPS 72LFCSP |
| 產品培訓模塊： | Data Converter Fundamentals DAC Architectures |
| 標準包裝： | 2,000 |
| 位數： | 8 |
| 數據接口： | 并聯(lián) |
| 轉換器數目： | 2 |
| 電壓電源： | 模擬和數字 |
| 功率耗散（最大）： | 345mW |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 72-VFQFN 裸露焊盤，CSP |
| 供應商設備封裝： | 72-LFCSP |
| 包裝： | 帶卷 (TR) |
| 輸出數目和類型： | 4 電流，單極 |
| 采樣率（每秒）： | 250M |
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Dual 8-/10-/12-/14-/16-Bit
250 MSPS Digital-to-Analog Converters
Data Sheet
Rev. A
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
2007–2014 Analog Devices, Inc. All rights reserved.
FEATURES
High dynamic range, dual DACs
Low noise and intermodulation distortion
Single carrier WCDMA ACLR = 80 dBc at 61.44 MHz IF
Innovative switching output stage permits useable outputs
beyond Nyquist frequency
LVCMOS inputs with dual-port or optional interleaved
single-port operation
Differential analog current outputs are programmable from
8.6 mA to 31.7 mA full scale
Auxiliary 10-bit current DACs with source/sink capability for
external offset nulling
Internal 1.2 V precision reference voltage source
Operates from 1.8 V and 3.3 V supplies
315 mW power dissipation
Small footprint, Pb-free, 72-pin LFCSP
APPLICATIONS
Wireless infrastructure:
WCDMA, CDMA2000, TD-SCDMA, WiMAX
Wideband communications:
LMDS/MMDS, point-to-point
Instrumentation:
RF signal generators, arbitrary waveform generators
GENERAL DESCRIPTION
compatible, high dynamic range, dual digital-to-analog
converters (DACs) with 8-/10-/12-/ 14-/16-bit resolutions
and sample rates of up to 250 MSPS. The devices include
specific features for direct conversion transmit applications,
including gain and offset compensation, and they interface
seamlessly with analog quadrature modulators, such as the
A proprietary, dynamic output architecture permits synthesis
of analog outputs even above Nyquist by shifting energy away
from the fundamental and into the image frequency.
Full programmability is provided through a serial peripheral
interface (SPI) port. In addition, some pin-programmable
features are offered for those applications without a controller.
PRODUCT HIGHLIGHTS
1. Low noise and intermodulation distortion (IMD) enables
high quality synthesis of wideband signals.
2. Proprietary switching output for enhanced dynamic
performance.
3. Programmable current outputs and dual auxiliary DACs
provide flexibility and system enhancements.
FUNCTIONAL BLOCK DIAGRAM
16-BIT
DAC1
16-BIT
DAC2
INTERFACE LOGIC
GAIN
DAC
GAIN
DAC
OFFSET
DAC
OFFSET
DAC
INTERNAL
REFERENCE
AND
BIAS
R
E
FIO
F
S
ADJ
SERIAL
PERIPHERAL
INTERFACE
S
DO
S
DI
O
S
CL
K
CS
B
10
CMOS
INTERFACE
CLKP
CLKN
PID<15:0>
P2D<15:0>
IOUT1P
IOUT1N
IOUT2P
IOUT2N
AUX1P
AUX1N
AUX2P
AUX2N
06569-
001
Figure 1.
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| AD9741-DPG2-EBZ | 功能描述:IC DAC DUAL 8BIT 200MSPS 72LFCSP RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 數模轉換器 (DAC) 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- DAC 的數量:4 位數:12 采樣率（每秒）:- 數據接口:串行，SPI? 設置時間: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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