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| 型号： | AD9221ARS-REEL |
| 厂商： | Analog Devices Inc |
| 文件页数： | 1/32页 |
| 文件大小： | 0K |
| 描述： | IC ADC 12BIT 1.5MSPS 28-SSOP |
| 标准包装： | 1,500 |
| 位数： | 12 |
| 采样率（每秒）： | 1.5M |
| 数据接口： | 并联 |
| 转换器数目： | 7 |
| 功率耗散（最大）： | 70mW |
| 电压电源： | 单电源 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 2 个单端，单极；1 个差分，单极 |
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REV. E
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. Trademarks and
registered trademarks are the property of their respective companies.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
2003 Analog Devices, Inc. All rights reserved.
AD9221/AD9223/AD9220
Complete 12-Bit 1.5/3.0/10.0 MSPS
Monolithic A/D Converters
FEATURES
Monolithic 12-Bit A/D Converter Product Family
Family Members Are: AD9221, AD9223, and AD9220
Flexible Sampling Rates: 1.5 MSPS, 3.0 MSPS, and
10.0 MSPS
Low Power Dissipation: 59 mW, 100 mW, and 250 mW
Single 5 V Supply
Integral Nonlinearity Error: 0.5 LSB
Differential Nonlinearity Error: 0.3 LSB
Input Referred Noise: 0.09 LSB
Complete On-Chip Sample-and-Hold Amplifier and
Voltage Reference
Signal-to-Noise and Distortion Ratio: 70 dB
Spurious-Free Dynamic Range: 86 dB
Out-of-Range Indicator
Straight Binary Output Data
28-Lead SOIC and 28-Lead SSOP
FUNCTIONAL BLOCK DIAGRAM
VINA
CAPT
CAPB
SENSE
OTR
BIT 1
(MSB)
BIT 12
(LSB)
VREF
DVSS
AVSS
CML
AD9221/AD9223/AD9220
SHA
DIGITAL CORRECTION LOGIC
OUTPUT BUFFERS
VINB
1V
REFCOM
5
4
3
12
DVDD
AVDD
CLK
MODE
SELECT
MDAC3
GAIN = 4
MDAC2
GAIN = 8
MDAC1
GAIN = 16
A/D
GENERAL DESCRIPTION
The AD9221, AD9223, and AD9220 are a generation of high
performance, single supply 12-bit analog-to-digital converters.
Each device exhibits true 12-bit linearity and temperature drift
performance
1 as well as 11.5-bit or better ac performance.2 The
AD9221/AD9223/AD9220 share the same interface options,
package, and pinout. Thus, the product family provides an upward
or downward component selection path based on performance,
sample rate and power. The devices differ with respect to their
specified sampling rate, and power consumption, which is reflected
in their dynamic performance over frequency.
The AD9221/AD9223/AD9220 combine a low cost, high speed
CMOS process and a novel architecture to achieve the resolution
and speed of existing hybrid and monolithic implementations at
a fraction of the power consumption and cost. Each device is a
complete, monolithic ADC with an on-chip, high performance,
low noise sample-and-hold amplifier and programmable voltage
reference. An external reference can also be chosen to suit the
dc accuracy and temperature drift requirements of the application.
The devices use a multistage differential pipelined architecture
with digital output error correction logic to provide 12-bit accu-
racy at the specified data rates and to guarantee no missing
codes over the full operating temperature range.
The input of the AD9221/AD9223/AD9220 is highly flexible,
allowing for easy interfacing to imaging, communications, medi-
cal, and data-acquisition systems. A truly differential input
structure allows for both single-ended and differential input
interfaces of varying input spans. The sample-and-hold
amplifier (SHA) is equally suited for both multiplexed sys-
tems that switch full-scale voltage levels in successive channels
as well as sampling single-channel inputs at frequencies up to
and beyond the Nyquist rate. Also, the AD9221/AD9223/AD9220
is well suited for communication systems employing Direct-
IF down conversion since the SHA in the differential input
mode can achieve excellent dynamic performance far beyond its
specified Nyquist frequency.
2
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 (OTR) signal indicates an over-
flow condition that can be used with the most significant bit to
determine low or high overflow.
PRODUCT HIGHLIGHTS
The AD9221/AD9223/AD9220 family offers a complete single-
chip sampling 12-bit, analog-to-digital conversion function in
pin compatible 28-lead SOIC and SSOP packages.
Flexible Sampling Rates—The AD9221, AD9223, and AD9220
offer sampling rates of 1.5 MSPS, 3.0 MSPS, and 10.0 MSPS,
respectively.
Low Power and Single Supply—The AD9221, AD9223, and
AD9220 consume only 59 mW, 100 mW, and 250 mW, respec-
tively, on a single 5 V power supply.
Excellent DC Performance Over Temperature—The AD9221/
AD9223/AD9220 provide 12-bit linearity and temperature drift
performance.
1
Excellent AC Performance and Low Noise—The AD9221/
AD9223/AD9220 provide better than 11.3 ENOB performance
and have an input referred noise of 0.09 LSB rms.
2
Flexible Analog Input Range—The versatile on-board sample-
and-hold (SHA) can be configured for either single-ended or
differential inputs of varying input spans.
NOTES
1Excluding internal voltage reference.
2Depends on the analog input configuration.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD9221ARSZ | 功能描述:IC ADC 12BIT 1.5MSPS 28SSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:12 采样率（每秒）:300k 数据接口:并联 转换器数目:1 功率耗散（最大）:75mW 电压电源:单电源 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC 包装:带卷 (TR) 输入数目和类型:1 个单端，单极；1 个单端，双极 |
| AD9221ARSZ-REEL | 功能描述:IC ADC 12BIT 1.5MSPS 28SSOP RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:12 采样率（每秒）:300k 数据接口:并联 转换器数目:1 功率耗散（最大）:75mW 电压电源:单电源 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC 包装:带卷 (TR) 输入数目和类型:1 个单端，单极；1 个单端，双极 |
| AD9221ARZ | 功能描述:IC ADC 12BIT 1.5MSPS 28SOIC RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 其它有关文件:TSA1204 View All Specifications 标准包装:1 系列:- 位数:12 采样率（每秒）:20M 数据接口:并联 转换器数目:2 功率耗散（最大）:155mW 电压电源:模拟和数字 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-TQFP 供应商设备封装:48-TQFP（7x7） 包装:Digi-Reel® 输入数目和类型:4 个单端，单极；2 个差分，单极 产品目录页面:1156 (CN2011-ZH PDF) 其它名称:497-5435-6 |
| AD9221ARZ-REEL | 功能描述:IC ADC 12BIT 1.5MSPS 28SOIC RoHS:是 类别:集成电路 (IC) >> 数据采集 - 模数转换器 系列:- 标准包装:1,000 系列:- 位数:12 采样率（每秒）:300k 数据接口:并联 转换器数目:1 功率耗散（最大）:75mW 电压电源:单电源 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-SOIC（0.295"，7.50mm 宽） 供应商设备封装:24-SOIC 包装:带卷 (TR) 输入数目和类型:1 个单端，单极；1 个单端，双极 |
| AD9221-EB | 制造商:Analog Devices 功能描述: 制造商:Analog Devices 功能描述:EVAL KIT FOR COMPLETE 12-BIT 1.5/3.0/10.0MSPS MONOLITHIC A/D - Bulk |
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