DN399, AD8251

ACCEL INDUSTRIAL LIMITED

Thousands of tiny transistors, diodes, resistors and capacitors are fabricated on a semiconductor wafer forms integrated circuit.there are two types of ic, CMOS ic and digital ic. MOSFETs come in four different types. They may be enhancement or depletion mode, and they may be n-channel or p-channel.There are also logic-level MOSFETs and normal MOSFETs.

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We buy and sell a wide range of semiconductors & passive components:

- ICs ( TTL, CMOS, DRAM, SRAM, EPROM, LINEAR,REGULATOR, ...etc)
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New products of October 2006

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Part number: DN399

Category:
Analog & Mixed-Signal Processing
-> Amplifiers
-> Low Noise Amplifiers

Description:
Photodiodes can be broken into two categories: large
area photodiodes with their attendant high capacitance
(30pF to 3000pF) and smaller area photodiodes with
relatively low capacitance (10pF or less). For optimal
signal-to-noise performance, a transimpedance amplifi er
consisting of an inverting op amp and a feedback resistor
is most commonly used to convert the photodiode current
into voltage. In low noise amplifi er design, large area
photodiode amplifi ers require more attention to reducing
op amp input voltage noise, while small area photodiode
amplifi ers require more attention to reducing op amp input
current noise and parasitic capacitances.

Packaging information:
Part number Package
DN399

Company: Linear Integrated Systems

Part number: AD8251

Category:
Analog & Mixed-Signal Processing
-> Amplifiers
-> Instrumentation Amplifiers

Description:
The AD8251 is a digitally gain programmable instrumentation amplifier that has high G Ω input impedance and low distortion making it suitable for sensor interfacing and driving high sample rate analog to digital converters. It has high bandwidth of 12 MHz, low distortion and settle time of 0.5 μs to 0.01%. Offset drift and gain drift are limited to 1 μV/°C and 10 ppm/°C, respectively. In addition to its wide input common voltage range, it boasts a high common-mode rejection of 0 dB at G = 1 from DC to 50 kHz. The combination of precision DC performance coupled with high speed capabilities make the AD8251 an excellent candidate for data acquisition and medical applications. Furthermore, this monolithic solution simplifies design, manufacturing and boosts performance of instrumentation by maintaining tight match of internal resistors and amplifiers.

The AD8251 is available in a 10-lead MSOP package and specified over -40°C to 85°C, making it an excellent solution for applications where size and packing density are important considerations.

Packaging information:
Part number Package
AD8251
AD8251ARMZ MSOP
AD8251ARMZ-R7 MSOP
AD8251ARMZ-RL MSOP

Company: Analog Device