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OPA687N

更新时间： 2024-09-16 22:38:55
品牌 Logo 应用领域
BB 运算放大器放大器电路光电二极管
页数 文件大小 规格书
16页 173K
描述
Wideband, Ultra-Low Noise, Voltage Feedback OPERATIONAL AMPLIFIER With Power Down

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中文翻译

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OPA687N 技术参数

是否Rohs认证： 不符合生命周期：Transferred
Reach Compliance Code：unknown风险等级：5.79
放大器类型：OPERATIONAL AMPLIFIER架构：VOLTAGE-FEEDBACK
最大平均偏置电流 (IIB)：40 µA25C 时的最大偏置电流 (IIB)：33 µA
标称共模抑制比：78 dB频率补偿：YES (AVCL>=12)
最大输入失调电压：1600 µVJESD-30 代码：R-PDSO-G6
JESD-609代码：e0低-偏置：NO
低-失调：NO微功率：NO
负供电电压上限：-6.5 V标称负供电电压 (Vsup)：-5 V
功能数量：1端子数量：6
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：TSOP
封装等效代码：TSOP5/6,.11,37封装形状：RECTANGULAR
封装形式：SMALL OUTLINE功率：NO
电源：+-5 V可编程功率：NO
认证状态：Not Qualified最小摆率：450 V/us
标称压摆率：450 V/us子类别：Operational Amplifiers
最大压摆率：20.5 mA供电电压上限：6.5 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：Tin/Lead (Sn/Pb)端子形式：GULL WING
端子节距：0.95 mm端子位置：DUAL
标称均一增益带宽：2400000 kHz最小电压增益：3160
宽带：YESBase Number Matches：1

OPA687N 数据手册

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®
OPA687  
OPA687  
For most current data sheet and other product  
information, visit www.burr-brown.com  
TM  
Wideband, Ultra-Low Noise,  
Voltage Feedback OPERATIONAL AMPLIFIER  
With Power Down  
APPLICATIONS  
● LOW DISTORTION ADC DRIVER  
FEATURES  
● HIGH GAIN BANDWIDTH: 3.8GHz  
● LOW INPUT VOLTAGE NOISE: 0.95nV/√Hz  
● VERY LOW DISTORTION: –95dBc (5MHz)  
● LOW DISABLED POWER: 2mW  
● VERY HIGH SLEW RATE: 900V/µs  
● STABLE FOR G ≥ 12  
● OC-3 FIBER OPTIC RECEIVER  
● LOW NOISE DIFFERENTIAL AMPLIFIERS  
● EQUALIZING RECEIVERS  
● ULTRASOUND CHANNEL AMPLIFIERS  
● IMPROVED REPLACEMENT FOR THE  
CLC425  
stages. As a voltage gain stage, the OPA687 is opti-  
mized for a flat frequency response at a gain of +20 and  
is guaranteed stable down to gains of +12. New external  
compensation techniques allows the OPA687 to be used  
at any inverting gain with excellent frequency response  
control. Using this compensation can give an extremely  
high dynamic range ADC driver to support > 40MSPS  
12- and 14-bit converters.  
DESCRIPTION  
The OPA687 combines a very high gain bandwidth and  
large signal performance with an ultra-low input noise  
voltage (0.95nV/√Hz) while dissipating only 18mA sup-  
ply current. Where power savings is paramount, the  
OPA687 also includes an optional power down pin that,  
when pulled low, will disable the amplifier and decrease  
the quiescent current to only 1% of its powered up value.  
This optional feature may be left disconnected to insure  
normal amplifier operation when no power-down is re-  
quired.  
OPA687 RELATED PRODUCTS  
INPUT NOISE  
VOLTAGE (nV/√Hz)  
GAIN BANDWIDTH  
PRODUCT (MHz)  
SINGLES  
DUAL  
The combination of low input voltage and current noise,  
along with a 3.8GHz gain bandwidth product, make the  
OPA687 an ideal amplifier for wideband transimpedance  
OPA642  
OPA643  
OPA686  
2.7  
2.3  
1.3  
210  
800  
OPA2686  
1600  
+5V  
+5V  
VCM  
20Ω  
–60  
OPA687  
100Ω  
1.7pF  
–65  
–70  
–75  
–80  
–85  
VIN  
+
4Vp-p  
–5V  
50Ω Source  
80pF  
39pF  
39pF  
850Ω  
1:2  
ADS852  
14-Bit  
65MSPS  
< 6dB  
Noise  
Figure  
850Ω  
2Vp-p  
+5V  
OPA687  
–5V  
VIN  
–
100Ω  
1.7pF  
80pF  
20Ω  
0
5
10  
15 20  
25  
30 35  
40  
45 50  
VCM  
Center Frequency (MHz)  
Ultra-High Dynamic Range  
Differential Input ADC Driver  
Measured 2-Tone, 3rd-Order Distortion for  
Differential ADC Driver.  
IInternational Airport Industrial Park  
•
Mailing Address: PO Box 11400, Tucson, AZ 85734  
Cable: BBRCORP  
• Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111  
Twx: 910-952-1111 Internet: http://www.burr-brown.com/  
•
•
•
Telex: 066-6491  
•
FAX: (520) 889-1510  
•
Immediate Product In  
©1998 Burr-Brown Corporation  
PDS-1372C  
Printed in U.S.A. May, 2000  
1234567...16

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