AD5539SQ

更新时间： 2024-02-23 12:19:30

品牌	Logo	应用领域
亚德诺 - ADI		运算放大器放大器电路
页数	文件大小	规格书
16页	475K
描述
Ultrahigh Frequency Operational Amplifier

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技术参数
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AD5539SQ 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：	DIP
包装说明：	DIP,	针数：	14
Reach Compliance Code：	unknown	风险等级：	5.71
Is Samacsys：	N	商用集成电路类型：	VIDEO AMPLIFIER
JESD-30 代码：	R-GDIP-T14	JESD-609代码：	e0
长度：	19.43 mm	信道数量：	1
功能数量：	1	端子数量：	14
最高工作温度：	125 °C	最低工作温度：	-55 °C
封装主体材料：	CERAMIC, GLASS-SEALED	封装代码：	DIP
封装形状：	RECTANGULAR	封装形式：	IN-LINE
峰值回流温度（摄氏度）：	NOT SPECIFIED	认证状态：	COMMERCIAL
座面最大高度：	5.08 mm	最大供电电压 (Vsup)：	10 V
最小供电电压 (Vsup)：	4.5 V	表面贴装：	NO
温度等级：	MILITARY	端子面层：	TIN LEAD
端子形式：	THROUGH-HOLE	端子节距：	2.54 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	7.62 mm	Base Number Matches：	1

AD5539SQ 数据手册

AD5539

T he transient response of the signal channel at V_X= +2 V,

_Y= V_OUT= + or –1 V is shown in Figure 46; with the VCA

driving a 75 Ω load. T he rise and fall times are both approxi-

mately 7 ns.

A few final circuit details: in general, the control amplifier com-

pensation capacitor for Pin 2, C_C, must have a minimum value

of 3000 pF (3 nF) to provide both circuit stability and maximum

control bandwidth. However, if the maximum control bandwidth

is not needed, then it is advisable to use a larger value of C_C,

with typical values between 0.01 and 0.1 µF. Like many aspects

of design, the value of C_Cwill be a tradeoff: higher values of C_C

will lower the high frequency distortion, reduce the high fre-

quency crosstalk and improve the signal channel phase response.

Conversely, lower values of C_Cwill provide a higher control

channel bandwidth at the expense of degraded linearity in the

output response when amplitude modulating a carrier signal.

Figure 46. Transient Response of the Voltage-Controlled

Am plifier V_X= +2 Volts, V_Y= ±1 Volt

mic node, the settling time of the control channel with a pulse

input will vary with different control input step levels.

T he control channel bandwidth will vary in inverse proportion to

the value of C_C, providing a typical bandwidth of 2 MHz with a

C_Cof 0.01 µF and a V_Xvoltage of +1.7 volts.

Diode D1 clamps the logarithmic control node at Pin 2 of the

AD539, (preventing this point from going too negative); this

diode helps decrease the circuit recovery time when the control

input goes below ground potential.

Both the bandwidth and pulse response of the control channel

can be further increased by using a feedforward capacitor, C_ff,

with a value between 5 and 20 percent of C_C. C_ffshould be care-

fully adjusted to give the best pulse response for a particular step

input applied to the control channel. Note that since C_ffis con-

nected between a linear control input (Pin 1) and a logarith-

TH E AD 539/5539 CO MBINATIO N AS A FAST, LO W

FEED TH RO UGH , VID EO SWITCH

Figure 47 shows how the AD539/5539 combination can be used

to create a fast video speed switch suitable for many high fre-

Figure 47. An Analog Multiplier Video Switch

REV. B

–15–

1...12 13 141516

中文翻译

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AD5539SQ 替代型号

型号	品牌	替代类型	描述	数据表
AD5539JN	ADI	功能相似	Ultrahigh Frequency Operational Amplifier
HA3-2839-5	HARRIS	功能相似	600MHz, Very High Slew Rate Operational Amplifier

与AD5539SQ相关器件

型号	品牌	描述	获取价格	数据表
AD5539SQ/883B	ADI	Ultrahigh Frequency Operational Amplifier	获取价格
AD5541	ADI	5 V, Serial-Input Voltage-Output, 16-Bit DACs	获取价格
AD5541_12	ADI	2.7 V to 5.5 V, Serial-Input, Voltage-Output, 16-Bit DACs	获取价格
AD5541_15	ADI	2.7 V to 5.5 V, Serial-Input, Voltage-Output, 16-Bit DACs	获取价格
AD5541A	ADI	2.7 V to 5.5 V, Serial-Input, Voltage-Output, 16-/12-Bit nanoDACs in LFCSP	获取价格
AD5541AACPZ	ADI	2.7 V to 5.5 V, Serial-Input, Voltage-Output, 16-/12-Bit nanoDACs in LFCSP	获取价格

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