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参数资料
| 型号： | AD9059PCB |
| 厂商： | Analog Devices, Inc. |
| 英文描述： | Dual 8-Bit, 60 MSPS A/D Converter |
| 中文描述： | 双8位，60 MSPS的A / D转换 |
| 文件页数： | 1/12页 |
| 文件大小： | 190K |
| 代理商： | AD9059PCB |
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.
a
Dual 8-Bit, 60 MSPS A/DConverter
AD9059
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
FUNCT IONAL BLOCK DIAGRAM
ADC
A
T/H
ADC
B
+2.5V
T/H
8
8
ENCODE
AINA
AINB
VREF
V
D
GND
PWRDN
AD9059
V
DD
D7A–D0A
D7B–D0B
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
PRODUCT DE SCRIPT ION
T he 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.
T o minimize system cost and power dissipation, the AD9059
includes an internal +2.5 V reference and dual track-and-hold
circuits. T he ADC requires only a +5 V power supply and an
encode clock. No external reference or driver components are
required for many applications.
T he AD9059’s single encode input is T T L/CMOS compatible
and simultaneously controls both internal ADC channels. T he
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. T he AD9057 is available in a 20-lead sur-
face mount plastic package (20 SSOP) and is specified over the
industrial temperature range.
PIN CONFIGURAT ION
14
13
12
11
10
17
16
15
19
18
20
28
27
26
25
24
23
22
21
9
8
1
2
3
4
7
6
5
TOP VIEW
(Not to Scale)
AD9059
AINA
V
D
GND
ENCODE
GND
AINB
VREF
PWRDN
V
D
D7B (MSB)
V
DD
GND
V
DD
D7A (MSB)
D6A
D5A
D4A
D4B
D5B
D6B
D3A
D2A
D1A
D0A (LSB)
D3B
D0B (LSB)
D1B
D2B
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