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By using a bipolar front end, lower noise and higher accuracy than those of CMOS designs have been achieved. Inherent in the design is low charge injection for minimum transients when switching the digital inputs. If you have questions or suggestions,please leave us a message,we will reply you as soon as ad707zq can!

This is useful for driving coax cable or large FET transistors. These switches also feature high switching speeds and low RON.

ADA Datasheet, PDF – Alldatasheet

A guaranteed maximum input offset voltage of 0. 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. 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.

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. Applications Mechanical potentiometer replacement Instrumentation: 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.


Common-mode rejection is a minimum of 78 dB. Stability while driving capacitive loads is another benefit of this design over CMOS rail-to-rail amplifiers. In the off condition, signal levels up to the supplies are blocked. The small signal bandwidth is kHz at a gain of The ADGA switches are turned on with a logic low on the appropriate control input. This allows designs to achieve higher efficiencies and to transfer more power to the load than previously possible without the use of discrete components.

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.


These devices perform the same electronic adjustment function as a potentiometer or variable resistor. The on-resistance profile is very flat over the full analog input range, ensuring good linearity and low distortion when switching audio signals.

For users of 3. Low gain error and low nonlinearity make the AD ideal for precision instrumentation applications requiring programmable gain. Each VR has its own VR latch that holds its programmed resistance value. Home Products News contact. For applications such as transformers that require driving inductive loads, increases in efficiency are also possible.

You can contact us any way that is convenient for you. To provide flexibility to the system designer, the AD can be operated in either latched or transparent mode. Applications Audio and video switching Datzsheet systems Test equipment Communication systems.


Product Highlights Extended signal range. Ad7077aq devices can operate comfortably anywhere in the In addition, the AD provides excellent dc precision. It provides a high precision, fully integrated, low cost single-chip solution for generating current loop signals in a compact pin SOIC or PDIP package. High switching speed also makes the device suitable for video signal switching.

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. Analog Devices also offers over 30 other high speed amplifiers from the low noise AD 1.

AD Datasheet and Product Info | Analog Devices

Applications Battery-operated instrumentation Servo amplifiers Actuator drives Sensor conditioners Power supply control. It is complete, including amplifier, resistor network and TTL-compatible latched inputs, and requires no external components.

Full-scale settling to 0. Each switch conducts equally well in both directions when ON and each has an input signal range that extends to the supplies. The device is fully specified with a single 12 V supply. Eleven data bits make up the data-word clocked into the serial input register. This yields performance that can be used to implement high accuracy systems, even in single-supply designs. The FET-input stage results in a low bias current of 50 pA.

Low charge inject is inherent in the design.

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