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AD246JY PDF预览

AD246JY

更新时间: 2024-02-15 10:53:13
品牌 Logo 应用领域
亚德诺 - ADI 时钟驱动器逻辑集成电路隔离放大器光电二极管PC
页数 文件大小 规格书
12页 414K
描述
Low Cost, Miniature Isolation Amplifiers

AD246JY 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Active包装说明:DIP,
Reach Compliance Code:unknown风险等级:5.8
Is Samacsys:N系列:AD24
输入调节:STANDARDJESD-30 代码:R-PDXA-T4
逻辑集成电路类型:LOW SKEW CLOCK DRIVER湿度敏感等级:NOT SPECIFIED
功能数量:1反相输出次数:
端子数量:4实输出次数:1
最高工作温度:85 °C最低工作温度:-25 °C
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装形状:RECTANGULAR封装形式:VERTICAL IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:COMMERCIAL
座面最大高度:15.9 mm最小供电电压 (Vsup):14.25 V
标称供电电压 (Vsup):15 V表面贴装:NO
温度等级:OTHER端子面层:NOT SPECIFIED
端子形式:THROUGH-HOLE端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:2.5 mmBase Number Matches:1

AD246JY 数据手册

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Low Cost, Miniature  
Isolation Amplifiers  
a
AD202/AD204  
FUNCTIONAL BLOCK DIAGRAM  
FEATURES  
Small Size: 4 Channels/lnch  
Low Power: 35 mW (AD204)  
FB  
AD202  
4
High Accuracy: ±0.025% max Nonlinearity (K Grade)  
High CMR: 130 dB (Gain = 100 V/V)  
Wide Bandwidth: 5 kHz Full-Power (AD204)  
High CMV Isolation: ±2000 V pk Continuous (K Grade)  
(Signal and Power)  
IN–  
IN+  
SIGNAL  
DEMOD  
3
1
HI  
MOD  
38  
37  
±5V  
F.S.  
V
±5V  
FS  
OUT  
V
SIG  
LO  
2
IN COM  
+7.5V  
–7.5V  
POWER  
6
5
+V  
–V  
OUT  
OUT  
ISO  
RECT &  
FILTER  
31 +15V DC  
Isolated Power Outputs  
Uncommitted Input Amplifier  
OSCILLATOR  
ISO  
25kHz  
25kHz  
POWER  
32  
RETURN  
APPLICATIONS  
Multichannel Data Acquisition  
Current Shunt Measurements  
Motor Controls  
Process Signal Isolation  
High Voltage Instrumentation Amplifier  
ing. For applications requiring a low profile, the DIP package  
provides a height of just 0.350".  
High Accuracy: With a maximum nonlinearity of ±0.025%  
for the AD202K/AD204K (±0.05% for the AD202J/AD204J)  
and low drift over temperature, the AD202 and AD204 provide  
high isolation without loss of signal integrity.  
GENERAL DESCRIPTION  
The AD202 and AD204 are general purpose, two-port, trans-  
former-coupled isolation amplifiers that may be used in a broad  
range of applications where input signals must be measured,  
processed and/or transmitted without a galvanic connection.  
These industry standard isolation amplifiers offer a complete  
isolation function, with both signal and power isolation provided  
for in a single compact plastic SIP or DIP style package. The  
primary distinction between the AD202 and the AD204 is that  
the AD202 is powered directly from a +15 V dc supply while  
the AD204 is powered by an externally supplied clock, such as  
the recommended AD246 Clock Driver.  
Low Power: Power consumption of 35 mW (AD204) and  
75 mW (AD202) over the full signal range makes these isolators  
ideal for use in applications with large channel counts or tight  
power budgets.  
Wide Bandwidth: The AD204’s full-power bandwidth of  
5 kHz makes it useful for wideband signals. It is also effective in  
applications like control loops, where limited bandwidth could  
result in instability.  
Excellent Common-Mode Performance: The AD202K/  
AD204K provide ±2000 V pk continuous common-mode isola-  
tion, while the AD202J/AD204J provide ±1000 V pk continuous  
common-mode isolation. All models have a total common-mode  
input capacitance of less than 5 pF inclusive of power isolation.  
This results in CMR ranging from 130 dB at a gain of 100 dB to  
104 dB (minimum at unity gain) and very low leakage current  
(2 µA maximum).  
The AD202 and AD204 provide total galvanic isolation between  
the input and output stages of the isolation amplifier through  
the use of internal transformer-coupling. The functionally com-  
plete AD202 and AD204 eliminate the need for an external,  
user-supplied dc/dc converter. This permits the designer to  
minimize the necessary circuit overhead and consequently re-  
duce the overall design and component costs.  
The design of the AD202 and AD204 emphasizes maximum  
flexibility and ease of use, including the availability of an un-  
committed op amp on the input stage. They feature a bipolar  
±5 V output range, an adjustable gain range offrom 1 to 100 V/V,  
±0.025% max nonlinearity (K grade), 130 dB of CMR and the  
AD204 consumes a low 35 mW of power.  
Flexible Input: An uncommitted op amp is provided at the  
input of all models. This provides buffering and gain as required,  
and facilitates many alternative input functions including filter-  
ing, summing, high-voltage ranges, and current (transimped-  
ance) input.  
Isolated Power: The AD204 can supply isolated power of  
±7.5 V at 2 mA. This is sufficient to operate a low-drift input  
preamp, provide excitation to a semiconductor strain gage, or to  
power any of a wide range of user-supplied ancillary circuits.  
The AD202 can supply ±7.5 V at 0.4 mA which is sufficient to  
operate adjustment networks or low-power references and op  
amps, or to provide an open-input alarm.  
PRODUCT HIGHLIGHTS  
The AD202 and AD204 are full-featured isolators offering  
numerous benefits to the user:  
Small Size: The AD202 and AD204 are available in SIP and  
DIP form packages. The SIP package is just 0.25" wide, giving  
the user a channel density of four channels per inch. The  
isolation barrier is positioned to maximize input to output spac-  
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.  
© Analog Devices, Inc., 1994  
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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