Datasheet > EL2228CYZ-T7

EL2228CYZ-T7

更新时间： 2024-01-29 15:28:43

品牌	Logo	应用领域
瑞萨 - RENESAS		放大器光电二极管
页数	文件大小	规格书
12页	623K
描述
DUAL OP-AMP, 3000uV OFFSET-MAX, PDSO8, 3 MM, ROHS COMPLIANT, MSOP-8

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技术参数
数据手册

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EL2228CYZ-T7 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	MSOP	包装说明：	3 MM, ROHS COMPLIANT, MSOP-8
针数：	8	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.33.00.01
风险等级：	5.66	放大器类型：	OPERATIONAL AMPLIFIER
架构：	VOLTAGE-FEEDBACK	最大平均偏置电流 (IIB)：	9 µA
25C 时的最大偏置电流 (IIB)：	1 µA	标称共模抑制比：	90 dB
频率补偿：	YES	最大输入失调电压：	3000 µV
JESD-30 代码：	S-PDSO-G8	JESD-609代码：	e3
长度：	3 mm	低-偏置：	NO
低-失调：	NO	微功率：	NO
湿度敏感等级：	2	负供电电压上限：	-14 V
标称负供电电压 (Vsup)：	-5 V	功能数量：	2
端子数量：	8	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	TSSOP	封装等效代码：	TSSOP8,.19
封装形状：	SQUARE	封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
包装方法：	TAPE AND REEL	峰值回流温度（摄氏度）：	260
功率：	NO	电源：	+-2.5/+-12 V
可编程功率：	NO	认证状态：	Not Qualified
座面最大高度：	1.1 mm	最小摆率：	35 V/us
标称压摆率：	50 V/us	子类别：	Operational Amplifiers
最大压摆率：	12 mA	供电电压上限：	14 V
标称供电电压 (Vsup)：	5 V	表面贴装：	YES
技术：	BIPOLAR	温度等级：	INDUSTRIAL
端子面层：	MATTE TIN	端子形式：	GULL WING
端子节距：	0.65 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	40	最小电压增益：	1000
宽带：	YES	宽度：	3 mm
Base Number Matches：	1

EL2228CYZ-T7 数据手册

EL2228

application does not come at the expense of stability. As

seen in the typical performance curves, the EL2228 in a gain

of only 1 exhibited 0.5dB of peaking with a 500 load.

where:

• T

= Maximum ambient temperature

MAX

•  = Thermal resistance of the package

Output Drive Capability

• PD

= Maximum power dissipation of 1 amplifier

MAX

The EL2228 is designed to drive a low impedance load. It

can easily drive 6V

signal into a 500 load. This high

• V = Supply voltage

P-P

output drive capability makes the EL2228 an ideal choice for

RF, IF, and video applications. Furthermore, the EL2228 is

current-limited at the output, allowing it to withstand

momentary short to ground. However, the power dissipation

with output-shorted cannot exceed the power dissipation

capability of the package.

• I

= Maximum supply current of 1 amplifier

= Maximum output voltage swing of the

MAX

• V

OUTMAX

application

• R = Load resistance

Power Supply Bypassing And Printed Circuit

Board Layout

Driving Cables and Capacitive Loads

Although the EL2228 is designed to drive low impedance

load, capacitive loads will decreases the amplifier's phase

margin. As shown in the performance curves, capacitive

load can result in peaking, overshoot and possible

oscillation. For optimum AC performance, capacitive loads

should be reduced as much as possible or isolated with a

series resistor between 5 to 20. When driving coaxial

cables, double termination is always recommended for

reflection-free performance. When properly terminated, the

capacitance of the coaxial cable will not add to the capacitive

load seen by the amplifier.

As with any high frequency devices, good printed circuit

board layout is essential for optimum performance. Ground

plane construction is highly recommended. Pin lengths

should be kept as short as possible. The power supply pins

must be closely bypassed to reduce the risk of oscillation.

The combination of a 4.7µF tantalum capacitor in parallel

with 0.1µF ceramic capacitor has been proven to work well

when placed at each supply pin. For single supply operation,

where pin 4 (V -) is connected to the ground plane, a single

4.7µF tantalum capacitor in parallel with a 0.1µF ceramic

capacitor across pin 8 (V +).

Power Dissipation

For good AC performance, parasitic capacitance should be

kept to a minimum. Ground plane construction again should

be used. Small chip resistors are recommended to minimize

series inductance. Use of sockets should be avoided since

they add parasitic inductance and capacitance which will

result in additional peaking and overshoot.

With the wide power supply range and large output drive

capability of the EL2228, it is possible to exceed the 150°C

maximum junction temperatures under certain load and

power-supply conditions. It is therefore important to calculate

the maximum junction temperature (T

) for all

JMAX

applications to determine if power supply voltages, load

conditions, or package type need to be modified for the

EL2228 to remain in the safe operating area. These

parameters are related as follows:

= T

+  xPD



MAXTOTAL

JMAX

MAX

where:

• P

DMAXTOTAL

dissipation of each amplifier in the package (PD

is the sum of the maximum power

)

MAX

• PD

MAX

for each amplifier can be calculated as follows:

OUTMAX

----------------------------

= 2*V  I

+ V - V  

OUTMAX

MAX

SMAX

FN7008 Rev 2.00

May 3, 2007

Page 10 of 12

1...7 8 91011 12

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