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5962-89629013X PDF预览

5962-89629013X

更新时间: 2024-01-09 07:27:54
品牌 Logo 应用领域
亚德诺 - ADI 模拟IC信号电路
页数 文件大小 规格书
20页 505K
描述
LC2MOS Complete, 8-Bit Analog I/0 Systems

5962-89629013X 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active零件包装代码:QLCC
包装说明:QCCN,针数:28
Reach Compliance Code:unknown风险等级:5.63
Is Samacsys:N模拟集成电路 - 其他类型:ANALOG CIRCUIT
JESD-30 代码:S-CQCC-N28JESD-609代码:e0
长度:11.43 mm湿度敏感等级:NOT APPLICABLE
功能数量:1端子数量:28
最高工作温度:125 °C最低工作温度:-55 °C
封装主体材料:CERAMIC, METAL-SEALED COFIRED封装代码:QCCN
封装形状:SQUARE封装形式:CHIP CARRIER
峰值回流温度(摄氏度):NOT APPLICABLE座面最大高度:2.54 mm
最大供电电压 (Vsup):5.25 V最小供电电压 (Vsup):4.75 V
标称供电电压 (Vsup):5 V表面贴装:YES
温度等级:MILITARY端子面层:TIN LEAD
端子形式:NO LEAD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:NOT APPLICABLE
宽度:11.43 mmBase Number Matches:1

5962-89629013X 数据手册

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LC2MOS  
a
Complete, 8-Bit Analog I/0 Systems  
AD7569/AD7669  
AD7569 FUNCTIONAL BLOCK DIAGRAM  
FEATURES  
2 s ADC with Track/Hold  
1 s DAC with Output Amplifier  
AD7569, Single DAC Output  
AD7669, Dual DAC Output  
On-Chip Bandgap Reference  
Fast Bus Interface  
Single or Dual 5 V Supplies  
GENERAL DESCRIPTION  
The AD7569/AD7669 is a complete, 8-bit, analog I/O system  
on a single monolithic chip. The AD7569 contains a high speed  
successive approximation ADC with 2 µs conversion time, a track/  
hold with 200 kHz bandwidth, a DAC and an output buffer ampli-  
fier with 1 µs settling time. A temperature-compensated 1.25 V  
bandgap reference provides a precision reference voltage for the  
ADC and the DAC. The AD7669 is similar, but contains two  
DACs with output buffer amplifiers.  
AD7669 FUNCTIONAL BLOCK DIAGRAM  
A choice of analog input/output ranges is available. Using a sup-  
ply voltage of +5 V, input and output ranges of zero to 1.25 V  
and zero to 2.5 volts may be programmed using the RANGE in-  
put pin. Using a ±5 V supply, bipolar ranges of ±1.25 V or  
±2.5 V may be programmed.  
Digital interfacing is via an 8-bit I/O port and standard micro-  
processor control lines. Bus interface timing is extremely fast, al-  
lowing easy connection to all popular 8-bit microprocessors. A  
separate start convert line controls the track/hold and ADC to  
give precise control of the sampling period.  
PRODUCT HIGHLIGHTS  
The AD7569/AD7669 is fabricated in Linear-Compatible  
CMOS (LC2MOS), an advanced, mixed technology process  
combining precision bipolar circuits with low power CMOS  
logic. The AD7569 is packaged in a 24-pin, 0.3" wide “skinny”  
DIP, a 24-terminal SOIC and 28-terminal PLCC and LCCC  
packages. The AD7669 is available in a 28-pin, 0.6" plastic  
DIP, 28-terminal SOIC and 28-terminal PLCC package.  
1. Complete Analog I/O on a Single Chip.  
The AD7569/AD7669 provides everything necessary to  
interface a microprocessor to the analog world. No external  
components or user trims are required and the overall accu-  
racy of the system is tightly specified, eliminating the need  
to calculate error budgets from individual component  
specifications.  
2. Dynamic Specifications for DSP Users.  
In addition to the traditional ADC and DAC specifications,  
the AD7569/AD7669 is specified for ac parameters, includ-  
ing signal-to-noise ratio, distortion and input bandwidth.  
3. Fast Microprocessor Interface.  
The AD7569/AD7669 has bus interface timing compatible  
with all modern microprocessors, with bus access and relin-  
quish times less than 75 ns and write pulse width less than  
80 ns.  
REV. B  
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.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 617/329-4700  
Fax: 617/326-8703  
World Wide Web Site: http://www.analog.com  
© Analog Devices, Inc., 1996  

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