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參數(shù)資料
| 型號： | SPT5450SIS |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | DAC |
| 英文描述： | PARALLEL, WORD INPUT LOADING, 0.025 us SETTLING TIME, 14-BIT DAC, PDSO28 |
| 封裝： | SOIC-28 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大小： | 36K |
| 代理商： | SPT5450SIS |
Signal Processing Technologies, Inc.
4755 Forge Road, Colorado Springs, Colorado 80907, USA
Phone: 719-528-2300
Fax: 719-528-2370
Web Site: http://www.spt.com
e-mail: sales@spt.com
SPT5450
14-BIT, 160 MWPS D/A CONVERTER
ADVANCE INFORMATION
FEATURES
14-bit, 160 MWPS digital-to-analog converter
+2.7 V to +5.5 V operation for digital supplies
High wideband spurious free dynamic range
Low glitch impulse 5 pV-s
Low power: 100 mW @ +3.0 V digital supply
Internal voltage reference
Powerdown mode
APPLICATIONS
Broadband modems
Wireless local loops
Cellular and PCS basestations
Head-end broadcast video transmission systems
Professional broadcast video equipment
Communications test equipment
Direct digital synthesis
DESCRIPTION
The SPT5450 is a 14-bit, 160 MWPS digital-to-analog
converter designed primarily for RF communications and
instrumentation applications. It provides excellent spurious
performance operation at the lowest possible cost. The
digital power supply can range from +2.7 V to +5.5 V.
The SPT5450 operates at an industrial temperature range
of –40 °C to +85 °C and is available in 28-lead SOIC or
SSOP-equivalent packages.
BLOCK DIAGRAM
VREF
Ref Out
RSET
Control
Amp
+
(MSB)
CLOCK
Digital
Inputs
D13
through
D0
COMP
IOUTA
Decoders
and
Drivers
Switch
Network
Latches
(LSB)
+1.2 V
Reference
RGND
Current
Source
Array
IOUTB
DGND
AGND
DVDD
AVDD
SLEEP
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