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AD9059BRS 参数 Datasheet PDF下载

AD9059BRS图片预览
型号: AD9059BRS
PDF下载: 下载PDF文件 查看货源
内容描述: 双路,8位, 60 MSPS A / D转换器 [Dual 8-Bit, 60 MSPS A/D Converter]
分类和应用: 转换器
文件页数/大小: 12 页 / 193 K
品牌: AD [ ANALOG DEVICES ]
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FEATURES
Dual 8-Bit ADCs on a Single Chip
Low Power: 400 mW Typical
On-Chip +2.5 V Reference and T/Hs
1 V p-p Analog Input Range
Single +5 V Supply Operation
+5 V or +3 V Logic Interface
120 MHz Analog Bandwidth
Power-Down Mode: < 12 mW
APPLICATIONS
Digital Communications (QAM Demodulators)
RGB & YC/Composite Video Processing
Digital Data Storage Read Channels
Medical Imaging
Digital Instrumentation
Dual 8-Bit, 60 MSPS A/D Converter
AD9059
FUNCTIONAL BLOCK DIAGRAM
V
D
PWRDN
V
DD
AD9059
AINA
T/H
ADC
A
8
D7A–D0A
VREF
ENCODE
+2.5V
AINB
T/H
ADC
B
8
D7B–D0B
GND
PRODUCT DESCRIPTION
The AD9059 is a dual 8-bit monolithic analog-to-digital con-
verter optimized for low cost, low power, small size, and ease of
use. With a 60 MSPS encode rate capability and full-power
analog bandwidth of 120 MHz typical, the component is ideal
for applications requiring multiple ADCs with excellent dy-
namic performance.
To minimize system cost and power dissipation, the AD9059
includes an internal +2.5 V reference and dual track-and-hold
circuits. The ADC requires only a +5 V power supply and an
encode clock. No external reference or driver components are
required for many applications.
The AD9059’s single encode input is TTL/CMOS compatible
and simultaneously controls both internal ADC channels. The
parallel 8-bit digital outputs can be operated from +5 V or +3 V
supplies. A power-down function may be exercised to bring to-
tal consumption to < 12 mW when ADC data is not required
for lengthy periods of time. In power-down mode the digital
outputs are driven to a high impedance state.
Fabricated on an advanced BiCMOS process, the AD9059
is available in a space saving 28-lead surface mount plastic
package (28 SSOP) and is specified over the industrial
(–40°C to +85°C) temperature range.
Customers desiring single channel digitization may consider the
AD9057, a single 8-bit, 60 MSPS monolithic based on the
AD9059 ADC core. The AD9057 is available in a 20-lead sur-
face mount plastic package (20 SSOP) and is specified over the
industrial temperature range.
PIN CONFIGURATION
AINA 1
VREF 2
PWRDN 3
V
D
4
GND 5
28 AINB
27 GND
26 ENCODE
25 V
D
AD9059
24 GND
V
DD
6
TOP VIEW 23 V
DD
D7A (MSB) 7 (Not to Scale) 22 D7B (MSB)
D6A 8
D5A 9
D4A 10
D3A 11
D2A 12
D1A 13
D0A (LSB) 14
21 D6B
20 D5B
19 D4B
18 D3B
17 D2B
16 D1B
15 D0B (LSB)
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.
© Analog Devices, Inc., 1996
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703