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It can be used in three-wire or asynchronous mode and a serial-out pin is provided to allow daisy chaining of multiple DACs on the current loop side of the isolation barrier.
The on-resistance profile is very flat over the full analog input range, ensuring good linearity and low distortion when switching audio signals.
Common-mode rejection is a minimum of 78 dB. The FET-input stage results in a low bias current of 50 pA. High switching speed also makes the device suitable for video signal switching. A serial data output pin at the opposite end of the serial register AD only allows simple daisy chaining in multiple VR applications without requiring additional external decoding logic.
The small signal bandwidth is kHz at a gain of dataheet For applications such as transformers that require driving inductive loads, increases in efficiency are wd707aq possible. A guaranteed maximum input offset voltage of 0. Product Highlights Extended signal range. This multiplexer also features high switching speeds and low RON. The first three bits are decoded to determine which VR latch is loaded with the last eight bits of the data-word when the CS strobe is returned to logic high.
Eleven data bits make up the data-word clocked into the serial input register.
The resistance between the wiper and either endpoint of the fixed resistor varies linearly with respect to the digital code transferred into the VR latch.
All switches exhibit break-before-make switching action for use in multiplexer applications. The devices can operate comfortably anywhere in the To provide flexibility to the system designer, the AD can be operated in either latched or transparent mode. The ADGA switches are turned on with a logic low on the appropriate control input. Stability while driving capacitive loads is another benefit of this design over CMOS rail-to-rail amplifiers.
If you have questions or suggestions,please leave us a message,we will reply you as soon as we can! The variable resistor offers a completely programmable value of resistance between the A terminal and the wiper or the B terminal and the wiper.
Each VR has its own VR latch that holds its programmed resistance value. The only external components that are required in addition to normal transient protection circuitry are three low cost capacitors which are used in the DAC output filter. These switches also feature high switching speeds and low RON. The ADGA switches one of 16 inputs to a common output, depending on the state of four binary addresses and an enable input.
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This is useful for driving coax cable or large FET transistors. Applications Audio and video switching Battery-powered systems Test equipment Communication systems. Analog Devices dataasheet offers over 30 other high speed amplifiers from the low datasheett AD 1. Full-scale settling to 0. If the AD is going to be used at extreme temperatures and supply voltages, an external output transistor can be used to minimize power dissipation on the chip via the “BOOST” pin.
In the off condition, signal levels up to the supplies are blocked. Applications Mechanical potentiometer replacement Instrumentation: Low charge inject is inherent in the design. Inherent in the design is low charge injection for minimum transients when switching the digital inputs.
This allows designs to achieve higher efficiencies and to transfer more power to the load than previously possible without the use of discrete components.
Low gain error and low nonlinearity make the AD ideal for precision instrumentation applications requiring programmable gain. This yields performance that can ratasheet used to implement high accuracy systems, even in single-supply designs.
It is complete, including amplifier, resistor network and TTL-compatible latched inputs, and requires no external components. Each switch conducts equally well darasheet both directions when ON and each has an input signal range that extends to the supplies. By using a bipolar front end, lower noise and higher accuracy than those of CMOS designs have been achieved. For applications in which the analog signal is unipolar, the ADGA can be operated from a single rail power supply.
The device is fully specified with a single 12 V supply.