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參數資料
| 型號： | AD9218BST-80 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 10-Bit, 40/65/80/105 MSPS 3 V Dual A/D Converter |
| 中文描述： | 2-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48 |
| 封裝： | 7 X 7 MM, MS-026BBC, LQFP-48 |
| 文件頁數： | 1/24頁 |
| 文件大小： | 1591K |
| 代理商： | AD9218BST-80 |
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 that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
a
AD9218
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
www.analog.com
Analog Devices, Inc., 2001
FUNCTIONAL BLOCK DIAGRAM
10-Bit, 40/65/80/105 MSPS
3 V Dual A/D Converter
TIMING
ADC
OUTPUT
REGISTER
REF
T/H
10
10
ADC
OUTPUT
REGISTER
T/H
10
10
TIMING
USER
SELECT #1
USER
SELECT #2
DATA
FORMAT/
GAIN
D
9B
–D
0B
D
9A
–D
0A
V
DD
GND
V
D
AD9218
ENCODE A
ENCODE B
A
IN
B
A
IN
A
A
IN
A
REF
IN
A
REF
OUT
REF
IN
B
A
IN
B
FEATURES
Dual 10-Bit, 40 MSPS, 65 MSPS, 80 MSPS, and
105 MSPS ADC
Low Power: 275 mW at 105 MSPS per Channel
On-Chip Reference and Track/Holds
300 MHz Analog Bandwidth Each Channel
SNR = 57 dB @ 41 MHz, Encode = 80 MSPS
1 V p-p or 2 V p-p Analog Input Range Each Channel
Single 3.0 V Supply Operation (2.7 V–3.6 V)
Power-Down Mode for Single Channel Operation
Two’s Complement or Offset Binary Output Mode
Output Data Alignment Mode
Pin-Compatible with 8-Bit AD9288
–75 dBc Crosstalk between Channels
APPLICATIONS
Battery-Powered Instruments
Hand-Held Scopemeters
Low Cost Digital Oscilloscopes
I and Q Communications
Ultrasound Equipment
GENERAL DESCRIPTION
The AD9218 is a dual 10-bit monolithic sampling analog-to-
digital converter with on-chip track-and-hold circuits and is
optimized for low cost, low power, small size and ease of use.
The product operates at a 105 MSPS conversion rate with
outstanding dynamic performance over its full operating range.
Each channel can be operated independently.
The ADC requires only a single 3.0 V (2.7 V to 3.6 V) power
supply and an encode clock for full operation. No external
reference or driver components are required for many applica-
tions. The digital outputs are TTL/CMOS-compatible and a
separate output power supply pin supports interfacing with
3.3 V or 2.5 V logic.
The clock input is TTL/CMOS-compatible and the 10-bit
digital outputs can be operated from 3.0 V (2.5 V to 3.6 V)
supplies. User-selectable options are available to offer a combi-
nation of power-down modes, digital data formats and digital
data timing schemes. In power-down mode, the digital outputs
are driven to a high-impedance state.
Fabricated on an advanced CMOS process, the AD9218 is
available in a 48-lead surface-mount plastic package (7
×
7 mm
LQFP) specified over the industrial temperature range (–40
°
C
to +85
°
C).
PRODUCT HIGHLIGHTS
Low Power—Just 275 mW power dissipation per channel at
105 MSPS. Other speed grade proportionally scaled down while
maintaining high ac performance.
Pin Compatibility Upgrade—Allows easy migration from 8-bit
to 10-bit. Pin-compatible with the 8-bit AD9288 dual ADC.
Ease of Use—On-chip reference and user controls provide flex-
ibility in system design.
High Performance—Maintain 54 dB SNR at 105 MSPS with a
Nyquist input.
Channel Crosstalk—Very low at –75 dBc.
相關PDF資料 |
PDF描述 |
|---|---|
| AD9218BST-105 | 10-Bit, 40/65/80/105 MSPS 3 V Dual A/D Converter |
| AD9218 | 10-Bit, 40/65/80/105 MSPS 3 V Dual A/D Converter |
| AD9218-105PCB | 10-Bit, 40/65/80/105 MSPS 3 V Dual A/D Converter |
| AD9218-65PCB | 10-Bit, 40/65/80/105 MSPS 3 V Dual A/D Converter |
| AD9218BST-40 | 10-Bit, 40/65/80/105 MSPS 3 V Dual A/D Converter |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD9218BST-RL105 | 功能描述:IC ADC 10BIT DUAL 105MSPS 48LQFP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1 系列:- 位數:14 采樣率（每秒）:83k 數據接口:串行，并聯 轉換器數目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應商設備封裝:28-PDIP 包裝:管件 輸入數目和類型:1 個單端，雙極 |
| AD9218BST-RL40 | 制造商:Analog Devices 功能描述:ADC Dual Pipelined 40Msps 10-bit Parallel 48-Pin LQFP T/R |
| AD9218BST-RL65 | 制造商:AD 制造商全稱:Analog Devices 功能描述:10-Bit, 40/65/80/105 MSPS 3 V Dual Analog-to-Digital Converter |
| AD9218BST-RL80 | 制造商:Analog Devices 功能描述:ADC Dual Pipelined 80Msps 10-bit Parallel 48-Pin LQFP T/R 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AD9218BSTZ-105 | 功能描述:IC ADC 10BIT DUAL 105MSPS 48LQFP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模數轉換器 系列:- 標準包裝:1 系列:- 位數:14 采樣率（每秒）:83k 數據接口:串行，并聯 轉換器數目:1 功率耗散（最大）:95mW 電壓電源:雙 ± 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:28-DIP（0.600"，15.24mm） 供應商設備封裝:28-PDIP 包裝:管件 輸入數目和類型:1 個單端，雙極 |
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