AD640JPZ

Mfr. #:: AD640JPZ
製造商:: Analog Devices Inc.
描述:: Logarithmic Amplifiers LOGARITHMIC AMP IC 120MHz 50dB
生命週期:: 製造商新產品
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更多信息:: AD640JPZ 更多信息 AD640JPZ Product Details

產品屬性
屬性值

製造商：: 模擬設備公司

產品分類：: 對數放大器

RoHS：: Y

系列：: AD640

放大器類型：: 對數放大器

通道數：: 1 Channel

3 分貝帶寬：: 145 MHz

Ib - 輸入偏置電流：: 25 uA

Vos - 輸入失調電壓：: 50 uV

電源電壓 - 最大值：: 7.5 V

電源電壓 - 最小值：: 4.5 V

工作電源電流：: 9 mA

最低工作溫度：: 0 C

最高工作溫度：: + 70 C

安裝方式：: 貼片/貼片

包裝/案例：: PLCC-20

打包：: 管子

帶寬：: 145 MHz

產品：: 對數放大器

類型：: 解調對數放大器

品牌：: 模擬設備公司

輸入電壓範圍 - 最大值：: 7.5 V

動態範圍分貝：: 50 dB

英鎊 - 增益帶寬產品：: -

工作電源電壓：: 4.5 V to 7.5 V

Pd - 功耗：: 200 mW

產品類別：: 對數放大器

出廠包裝數量：: 49

子類別：: 放大器 IC

電壓增益分貝：: 50 dB

單位重量：: 0.025468 oz

Tags: AD640JP, AD640J, AD640, AD64, AD6

Service Guarantees

We guarantee 100% customer satisfaction.

Quality Guarantees

We provide 90-360 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.
Our experienced sales team and tech support team back our services to satisfy all our customers.

we buy and manage excess electronic components, including excess inventory identified for disposal.
Email us if you have excess stock to sell.

Email: [email protected]

Step1:
Vacuum Packaging with PL

Step2:
Anti-Static Bag

Step3:
Packaging Boxes

AD640JPZ 描述

***S.I.T. Europe - USA - Asia: Log Or Antilog Amplifier, 1 Func, 145MHz Band Width, BIPolar, PQCC20

***ark: Logarithmic Amplifier, DC-Coupled Demodulating, 5, 1, LCC, 20

***ical: SP Amp LOG Amp Single ±7.5V 20-Pin PLCC Tube

***i-Key Marketplace: AD640 - LOGARITHMIC AMPLIFIER IC

***i-Key: IC LOGARITHMIC 1 CIRCUIT 20PLCC

***log Devices: The AD640 is a complete monolithic logarithmic amplifier. A single AD640 provides up to 50 dB of dynamic range for frequencies from dc to 120 MHz. Two AD640s in cascade can provide up to 95 dB of dynamic range at reduced bandwidth. The AD640 uses a successive detection scheme to provide an output current proportional to the logarithm of the input voltage. It is laser calibrated to close tolerances and maintains high accuracy over the full military temperature range using supply voltages from ±4.5 V to ±7.5 V. The AD640 comprises five cascaded dc-coupled amplifier/limiter stages, each having a small signal voltage gain of 10 dB and a –3 dB bandwidth of 350 MHz. Each stage has an associated full-wave detector, whose output current depends on the absolute value of its input voltage. The five outputs are summed to provide the video output (when low-pass filtered) scaled at 1 mA per decade (50 µA per dB). On chip resistors can be used to convert this output current to a voltage with several convenient slope options. A balanced signal output at +50 dB (referred to input) is provided to operate AD640s in cascade. The logarithmic response is absolutely calibrated to within ±1 dB for dc or square wave inputs from ±0.75 mV to ±200 mV, with an intercept (logarithmic offset) at 1 mV dc. An integral X10 attenuator provides an alternative input range of ±7.5 mV to ±2 V dc. Scaling is also guaranteed for sinusoidal inputs. The AD640B is specified for the industrial temperature range of –40°C to +85°C and the AD640T, available processed to MILSTD-883B, for the military range of –55°C to +125°C. Both are available in 20-lead side-brazed ceramic DIPs or leadless chip carriers (LCC). The AD640J is specified for the commercial temperature range of 0°C to +70°C, and is available in both 20-lead plastic DIP (N) and PLCC (P) packages. This device is now available to Standard Military Drawing (DESC) number 5962-9095501MRA and 5962-9095501M2A. Product Highlights Absolute calibration of a wideband logarithmic amplifier is unique. The AD640 is a high accuracy measurement device, not simply a logarithmic building block. Advanced design results in unprecedented stability over the full military temperature range. The fully differential signal path greatly reduces the risk of instability due to inadequate power supply decoupling and shared ground connections, a serious problem with commonly used unbalanced designs. Differential interfaces also ensure that the appropriate ground connection can be chosen for each signal port. They further increase versatility and simplify applications. The signal input impedance is ~500 kΩ in shunt with ~2 pF. The dc-coupled signal path eliminates the need for numerous interstage coupling capacitors and simplifies logarithmic conversion of subsonic signals. The low input offset voltage of 50 µV (200 µV max) ensures good accuracy for low level dc inputs. Thermal recovery “tails,” which can obscure the response when a small signal immediately follows a high level input, have been minimized by special attention to design details. The noise spectral density of 2 nV/√Hz results in a noise floor of ~23 µV rms (–80 dBm) at a bandwidth of 100 MHz. The dynamic range using cascaded AD640s can be extended to 95 dB by the inclusion of a simple filter between the two devices. Applications Radar, sonar, ultrasonic and audio systems Precision instrumentation from DC to 120 MHz Power measurement with absolute calibration Wide range high accuracy signal compression Alternative to discrete and hybrid IF strips Replaces several discrete log amp ICs

Market price

型號	製造商	描述	庫存	價格
AD640JPZ DISTI # V99:2348_06209885	Analog Devices Inc	SP Amp LOG Amp Single ±7.5V 20-Pin PLCC Tube RoHS: Compliant	14	7000:$42.8800 3500:$42.9000 700:$42.9300 14:$51.1400
AD640JPZ DISTI # V36:1790_06209885	Analog Devices Inc	SP Amp LOG Amp Single ±7.5V 20-Pin PLCC Tube RoHS: Compliant	2	7000:$42.8800 3500:$42.9000 700:$42.9300 14:$51.1400
AD640JPZ DISTI # AD640JPZ-ND	Analog Devices Inc	IC OPAMP LOG 350MHZ 20PLCC RoHS: Compliant Min Qty: 1 Container: Tube	60In Stock	49:$52.6651 1:$57.9300
AD640JPZ-REEL7 DISTI # AD640JPZ-REEL7TR-ND	Analog Devices Inc	IC OPAMP LOG 350MHZ 20PLCC RoHS: Compliant Min Qty: 250 Container: Tape & Reel (TR)	Temporarily Out of Stock	250:$47.3985
AD640JPZ DISTI # 29542504	Analog Devices Inc	SP Amp LOG Amp Single ±7.5V 20-Pin PLCC Tube RoHS: Compliant	14	1:$51.1400
AD640JPZ DISTI # 29511476	Analog Devices Inc	SP Amp LOG Amp Single ±7.5V 20-Pin PLCC Tube RoHS: Compliant	2	2:$53.3900
AD640JPZ DISTI # 584-AD640JPZ	Analog Devices Inc	Logarithmic Amplifiers LOGARITHMIC AMP IC 120MHz 50dB RoHS: Compliant	49	1:$56.1800 5:$54.4200 10:$53.3700 25:$51.0000 50:$48.0000 100:$46.5300
AD640JPZ-REEL7 DISTI # 584-AD640JPZ-R7	Analog Devices Inc	Logarithmic Amplifiers LOGARITHMIC AMP IC 120MHz 50dB RoHS: Compliant	0	250:$43.6000
AD640JPZ	Analog Devices Inc	RoHS: Compliant	Europe - 13
AD640JPZ DISTI # C1S103100210992	Analog Devices Inc	SP Amp LOG Amp Single }7.5V 20-Pin PLCC Tube RoHS: Compliant	7	1:$35.1100

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