Архив за год: 2019

AD8124 даташиты PDF

Номер в каталоге : AD8124

Function : Triple Differential Receiver with 200 Meter Adjustable Cable Equalization

Производитель : Analog Devices

цоколевка :

AD8124 datasheet

Описание :

The AD8124 is a triple, high speed, differential receiver and equalizer that compensates for the transmission losses of UTP and coaxial cables up to 200 meters in length. Various gain stages
are summed together to best approximate the inverse frequency response of the cable. Logic circuitry inside the AD8124 controls the gain functions of the individual stages so that the lowest
noise can be achieved at short-to-medium cable lengths. This technique optimizes its performance for low noise, short-to medium range applications, while at the same time provides the high gain bandwidth required for longer cable equalization (up to 200 meters). Each channel features a high impedance differential input that is ideal for interfacing directly with the cable.

Compensates cables to 200 meters for wideband video
All resolutions through UXGA
Fast rise and fall times
8 ns with 2 V step @ 200 meters of UTP cable
37 dB peak gain at 100 MHz
Two frequency response gain adjustment pins
High frequency peaking adjustment (VPEAK)
Broadband flat gain adjustment (VGAIN)
Pole location adjustment pin (VPOLE)
Compensates for variations between cables
Can be optimized for either UTP or coaxial cable
DC output offset adjust (VOFFSET)
Low output offset voltage: 24 mV
Compensates both RGB and YPbPr
Two on-chip comparators with hysteresis
Can be used for common-mode sync extraction
Available in 40-lead, 6 mm × 6 mm LFCSP

Keyboard-video-mouse (KVM)
Digital signage
RGB video over UTP cables
Professional video projection and distribution
HD video
Security video


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AD8124 pdf

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LM9040 даташиты PDF

Номер в каталоге : LM9040

Function : Dual Lambda Sensor Interface Amplifier

Производитель : Texas Instruments

цоколевка :

LM9040 datasheet

Описание :

The LM9040 is a dual sensor interface circuit consisting of two independent sampled input
differential amplifiers designed for use with conventional Lambda Oxygen Sensors. The Lambda
Sensor is used for monitoring the oxygen concentration in the exhaust of gasoline engines
using catalytic after treatment and will deliver a voltage signal which is dependent on the air-fuel
mixture. The gain of the amplifiers are internally set and can directly convert the Lambda sensor output
voltage to a level suitable for A/D conversion in a system using a 5V reference.
The input common mode voltage range of each amplifier is ±2V with respect to the IC ground pin.
This will allow the IC to connect to sensors which are remotely grounded at the engine exhaust manifold or exhaust pipe.
Each amplifier is capable of independent default operation should either, or both, of the leads to a
sensor become open circuited.Noise filtering is provided by an internal switched capacitor low pass filter as part of each amplifier, and by external components.
The LM9040 is fully specified over the automotive temperature range of −40°C to +125°C and is
provided in a 14-pin Small Outline surface mount package.

2• Single 5V Supply Operation
• Common Mode Input Voltage Range of ±2V
• Differential Input Voltage Range of 50 mV to 950 mV
• Sampled Differential Input
• Switched Capacitor Low Pass Filter
• Internal Oscillator and VBB Generator
• Open Input Default Operation
• Cold Sensor Default Operation
• Low Power Consumption (42 mW max)
• Gain Set by Design Over the Operating Temperature Range

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LM9040 pdf

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