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参数资料
| 型号： | AD9224-EB |
| 厂商： | Analog Devices, Inc. |
| 英文描述： | Complete 12-Bit 40 MSPS Monolithic A/D Converter |
| 中文描述： | 完整的12位40 MSPS的单片A / D转换 |
| 文件页数： | 1/24页 |
| 文件大小： | 309K |
| 代理商： | AD9224-EB |
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
AD9224
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
Complete 12-Bit, 40 MSPS
Monolithic A/D Converter
FUNCTIONAL BLOCK DIAGRAM
VINA
VINB
CAPT
CAPB
SENSE
OTR
BIT 1
(MSB)
BIT 12
(LSB)
VREF
DRVSS
AVSS
AD9224
SHA
DIGITAL CORRECTION LOGIC
OUTPUT BUFFERS
1V
REFCOM
5
5
3
3
3
3
4
12
DRVDD
AVDD
CLK
MODE
SELECT
MDAC3
GAIN = 4
MDAC2
GAIN = 4
MDAC1
GAIN = 16
A/D
A/D
A/D
A/D
CML
FEATURES
Monolithic 12-Bit, 40 MSPS A/D Converter
Low Power Dissipation: 415 mW
Single +5 V Supply
No Missing Codes Guaranteed
Differential Nonlinearity Error:
6
0.33 LSB
Complete On-Chip Sample-and-Hold Amplifier and
Voltage Reference
Signal-to-Noise and Distortion Ratio: 68.3 dB
Spurious-Free Dynamic Range: 81 dB
Out-of-Range Indicator
Straight Binary Output Data
28-Lead SSOP Package
Compatible with 3 V Logic
PRODUCT DESCRIPTION
The AD9224 is a monolithic, single supply, 12-bit, 40 MSPS,
analog-to-digital converter with an on-chip, high performance
sample-and-hold amplifier and voltage reference. The AD9224
uses a multistage differential pipelined architecture with output
error correction logic to provide 12-bit accuracy at 40 MSPS
data rates, and guarantees no missing codes over the full operat-
ing temperature range.
The AD9224 combines a low cost high speed CMOS process
and a novel architecture to achieve the resolution and speed of
existing bipolar implementations at a fraction of the power
consumption and cost.
The input of the AD9224 allows for easy interfacing to both
imaging and communications systems. With a truly differential
input structure, the user can select a variety of input ranges and
offsets, including single-ended applications. The dynamic per-
formance is excellent.
The sample-and-hold (SHA) amplifier is well suited for both
multiplexed systems that switch full-scale voltage levels in suc-
cessive channels and sampling single-channel inputs at frequen-
cies up to and well beyond the Nyquist rate.
The AD9224’s wideband input, combined with the power and
cost savings over previously available monolithics, is suitable for
applications in communications, imaging and medical ultrasound.
The AD9224 has an onboard programmable reference. An
external reference can also be chosen to suit the dc accuracy
and temperature drift requirements of the application.
A single clock input is used to control all internal conversion
cycles. The digital output data is presented in straight binary
output format. An out-of-range signal indicates an overflow
condition which can be used with the most significant bit to
determine low or high overflow.
PRODUCT HIGHLIGHTS
The AD9224 is fabricated on a very cost effective CMOS
process. High speed precision analog circuits are now combined
with high density logic circuits.
The AD9224 offers a complete single-chip sampling 12-bit,
40 MSPS analog-to-digital conversion function in 28-lead
SSOP package.
Low Power
—The AD9224 at 415 mW consumes a fraction of
the power of presently available in existing monolithic solutions.
On-Board Sample-and-Hold (SHA)
—The versatile SHA
input can be configured for either single-ended or differential
inputs.
Out of Range (OTR)
—The OTR output bit indicates when
the input signal is beyond the AD9224’s input range.
Single Supply
—The AD9224 uses a single +5 V power supply
simplifying system power supply design. It also features a sepa-
rate digital driver supply line to accommodate 3 V and 5 V logic
families.
Pin Compatibility
—The AD9224 is pin compatible with the
AD9220, AD9221, AD9223 and AD9225 ADCs.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD9224JR | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog-to-Digital Converter， 12-Bit |
| AD9224JRS | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog-to-Digital Converter， 12-Bit |
| AD9225 | 制造商:Analog Devices 功能描述: |
| AD9225_03 | 制造商:AD 制造商全称:Analog Devices 功能描述:Complete 12-Bit, 25 MSPS Monolithic A/D Converter |
| AD9225AR | 功能描述:IC ADC 12BIT 25MSPS 28-SOIC RoHS:否 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1 系列:- 位数:14 采样率（每秒）:83k 数据接口:串行，并联 转换器数目:1 功率耗散（最大）:95mW 电压电源:双 ± 工作温度:0°C ~ 70°C 安装类型:通孔 封装/外壳:28-DIP（0.600"，15.24mm） 供应商设备封装:28-PDIP 包装:管件 输入数目和类型:1 个单端，双极 |
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