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參數(shù)資料
| 型號： | AD9732BRS |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | DAC |
| 英文描述： | 10-Bit, 200 MSPS D/A Converter |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 0.005 us SETTLING TIME, 10-BIT DAC, PDSO28 |
| 封裝： | SSOP-28 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大小： | 144K |
| 代理商： | AD9732BRS |
REV. A
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
AD9732
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., 1999
10-Bit, 200 MSPS
D/A Converter
FUNCTIONAL BLOCK DIAGRAM
CONTROL
AMP
INTERNAL
VOLTAGE
REFERENCE
S
D
R
AD9732
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
CLOCK
R
SET
DIGITAL
+V
S
CONTROL
AMP IN
REF
OUT
CONTROL
AMP OUT
REF
IN
I
OUT
I
OUT
ANALOG
RETURN
TTL
DRIVE
LOGIC
FEATURES
200 MSPS Throughput Rate
3.3 V PECL Digital Input
65 dB SFDR @ 2 MHz A
OUT
, 200 MSPS/54 dB @ 40 MHz
A
OUT
, 200 MSPS
Low Power: 305 mW
Fast Settling: 5 ns to 1/2 LSB
Low Glitch Energy: 6 pVs
Internal Reference
28-Lead SSOP Packaging
APPLICATIONS
Digital Communications
Direct Digital Synthesis
Waveform Reconstruction
High Speed Imaging
GENERAL DESCRIPTION
The AD9732 is a 10-bit, 200 MSPS, bipolar D/A converter that
is optimized to provide high dynamic performance, yet offers
lower power dissipation and a more economical price than pre-
vious high speed DAC solutions. The AD9732 was primarily
designed for demanding communications systems applications
where maximum spurious-free dynamic range (SFDR) is required
at high throughput rates. The proliferation of digital communi-
cations into base station and high volume subscriber-end mar-
kets has created a demand for high performance bipolar DACs
delivered at CMOS associated levels of power dissipation and
cost. The AD9732 is the answer to that demand.
Optimized for direct digital synthesis (DDS) and digital modu-
lator waveform reconstruction, the AD9732 provides >50 dB of
wideband harmonic suppression over the dc to 80 MHz analog
output bandwidth. This signal bandwidth addresses the transmit
spectrum in many of the emerging digital communications ap-
plications where signal purity is critical. Narrowband (
±
1 MHz
window), the AD9732 provides an SFDR of greater than 75 dB.
This level of wideband and narrowband ac performance, coupled
with its 200 MSPS throughput rate, enables the AD9732 to
present outstanding value in the high speed DAC function.
The AD9732 is packaged in a 28-lead SSOP and is specified to
operate over the extended industrial temperature range of –40
°
C
to +85
°
C. Digital inputs and clock are positive-ECL compatible.
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