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AD1672AP PDF预览

AD1672AP

更新时间： 2024-01-05 02:03:27
品牌 Logo 应用领域
亚德诺 - ADI 转换器
页数 文件大小 规格书
20页 467K
描述
Complete 12-Bit, 3 MSPS Monolithic A/D Converter

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AD1672AP 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：QLCC包装说明：PLASTIC, LCC-28
针数：28Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.84最大模拟输入电压：2.5 V
最小模拟输入电压：-2.5 V最长转换时间：0.333 µs
转换器类型：ADC, PROPRIETARY METHODJESD-30 代码：S-PQCC-J28
JESD-609代码：e0长度：11.505 mm
最大线性误差 (EL)：0.061%模拟输入通道数量：1
位数：12功能数量：1
端子数量：28最高工作温度：85 °C
最低工作温度：-40 °C输出位码：BINARY, OFFSET BINARY
输出格式：PARALLEL, WORD封装主体材料：PLASTIC/EPOXY
封装代码：QCCJ封装等效代码：LDCC28,.5SQ
封装形状：SQUARE封装形式：CHIP CARRIER
峰值回流温度（摄氏度）：220电源：5 V
认证状态：Not Qualified采样速率：3 MHz
采样并保持/跟踪并保持：SAMPLE座面最大高度：4.57 mm
子类别：Analog to Digital Converters标称供电电压：5 V
表面贴装：YES技术：BICMOS
温度等级：INDUSTRIAL端子面层：TIN LEAD
端子形式：J BEND端子节距：1.27 mm
端子位置：QUAD处于峰值回流温度下的最长时间：30
宽度：11.505 mmBase Number Matches：1

AD1672AP 数据手册

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Complete 12-Bit, 3 MSPS  
Monolithic A/D Converter  
a
AD1672  
input combined with the power and cost savings over previously  
available solutions will enable new designs in communications,  
imaging and medical applications. The AD1672 provides both  
reference output and reference input pins allowing the onboard  
reference to serve as a system reference. An external reference  
can also be chosen to suit the dc accuracy and temperature drift  
requirements of the application. The digital output data is pre-  
sented in a straight binary output format for the unipolar input  
ranges of 0 V to 2.5 V and 0 V to 5.0 V. For the bipolar input  
range of –2.5 V to +2.5 V, the digital output data is presented in  
an offset binary format. An out-of-range (OTR) signal indicates  
an overflow condition. It can be used with the most significant  
bit to determine low or high overflow.  
FEATURES  
Single Supply  
Pin Configurable Input Voltage Ranges  
Power Dissipation: 240 mW  
No Missing Codes Guaranteed  
Differential Nonlinearity Error: 0.5 LSB  
Complete: On-Chip Sample-and-Hold Amplifier and  
Voltage Reference  
Signal-to-Noise and Distortion Ratio: 68 dB  
Spurious-Free Dynamic Range: –77 dB  
Out of Range Indicator  
Binary Output Data  
Digital I/Os Compatible with +5 V or +3.3 V Logic  
28-Pin PLCC Package  
The AD1672 is packaged in a 28-pin PLCC package and is  
specified for operation from –40°C to +85°C.  
PRODUCT DESCRIPTION  
PRODUCT HIGHLIGHT  
The AD1672 is a monolithic, single supply 12-bit, 3 MSPS  
analog-to-digital converter with an on-chip, high performance  
sample-and-hold amplifier (SHA) and voltage reference. The  
AD1672 uses a multistage pipelined architecture with output  
error correction logic to provide 12-bit accuracy at 3 MSPS data  
rates and guarantees no missing codes over the full operating  
temperature range. The AD1672 combines a high performance  
BiCMOS process and a novel architecture to achieve its high  
performance levels.  
The AD1672 offers a complete single-chip sampling 12-bit,  
3 MSPS analog-to-digital conversion function in a 28-pin  
PLCC package.  
The AD1672 at 240 mW consumes a fraction of the power of  
presently available solutions and provides exceptional perfor-  
mance relative to other monolithic solutions.  
OUT OF RANGE (OTR)—The OTR output bit indicates  
when the input signal is beyond the AD1672’s input range.  
Ease-of-Use—The single supply AD1672 is complete with SHA  
voltage reference and pin strappable input ranges. It is compat-  
ible with a wide range of amplifiers.  
The fast settling input SHA is equally suited for both multi-  
plexed systems that switch negative to positive full-scale voltage  
levels in successive channels and sampling single-channel inputs  
at frequencies up to the Nyquist rate. The AD1672’s wideband  
FUNCTIONAL BLOCK DIAGRAM  
AD1672  
AIN1 & 2  
THA  
REF  
AMP  
THA  
THA  
REF IN  
ADC  
THA  
DAC  
REFCOM  
ADC  
DAC  
ADC  
ADC  
DAC  
DAC  
AMP  
NOISE  
REDUCTION  
4
3
4
4
2.5V REF  
OUTPUT  
CORRECTION LOGIC  
BANDGAP  
REFERENCE  
CLOCK TIMER  
CLOCK INPUT  
LATCHES  
REFCOM  
OUTPUT DATA  
12 BITS  
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., 1995  
One Technology Way, P.O. Box 9106, Norwood. MA 02062-9106, U.S.A.  
Tel: 617/329-4700 Fax: 617/326-8703  
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