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The ADGA switches one of 16 inputs to a common output, depending on the state of four binary addresses and an enable input. Common-mode rejection is a minimum of 78 dB. 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.
This is useful for driving coax cable or large FET transistors. The devices can operate comfortably anywhere in the 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 device is fully specified with a single 12 V supply. Analog Devices also offers over 30 other high speed amplifiers from the low noise AD 1.
Low charge inject is inherent in the design. Low gain error and low nonlinearity make the AD ideal for precision instrumentation applications requiring programmable gain. It is complete, including amplifier, resistor network and TTL-compatible latched inputs, and requires no external components. CMOS construction ensures ultralow power dissipation, making the device ideally suited for portable, battery-powered instruments.
These devices perform the same electronic adjustment function as a potentiometer or variable resistor. Applications Mechanical potentiometer replacement Instrumentation: When they are on, each switch conducts equally well in both directions and has an input signal range that extends to the power supplies.
Product Highlights Extended signal range. 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. 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. By using a bipolar front end, lower noise and higher accuracy than those of CMOS designs have been achieved.
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. A guaranteed maximum input offset voltage of 0. Each switch conducts equally well in both directions when ON and each has an input signal range that extends to the supplies.
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 Audio and video switching Battery-powered systems Test equipment Communication systems. These switches also feature high switching speeds and low RON.
ADAQ Datasheet pdf – Ultralow Drift Op Amp – Analog Devices
Home Products News contact. The small signal bandwidth is kHz at a gain of ad707aa For applications such as transformers that require driving inductive loads, increases in efficiency are also possible. Stability while driving capacitive loads is another benefit of this design over CMOS rail-to-rail amplifiers. Full-scale settling to 0.
In the off condition, signal levels up to the supplies are blocked. High switching speed also makes the device suitable for video signal switching. For applications in which the analog signal is unipolar, the Ad07aq can be operated from a single rail power supply. This yields performance that can be used to implement high accuracy systems, even in single-supply designs. These VR latches are updated from an internal serial-to-parallel shift register that is loaded from a standard 3-wire serial-input digital interface.
In addition, the AD provides excellent dc precision. All switches exhibit break-before-make switching action for use in multiplexer applications. The on-resistance dwtasheet is very flat over the full analog input range, ensuring good linearity and low datashet when switching audio signals.
You can contact us any way that is convenient for you. This multiplexer also features high switching speeds and low RON. Applications Battery-operated instrumentation Servo amplifiers Actuator drives Sensor conditioners Power supply control.
ADA datasheet & applicatoin notes – Datasheet Archive
Each VR has its own VR latch that holds its programmed resistance value. If you have questions or suggestions,please leave us a message,we will reply you as soon as we can! 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.
The FET-input stage results in a low bias current of 50 pA. This allows designs to achieve higher efficiencies and to transfer more power to the load than previously possible without the use of discrete components. Eleven data bits make up the data-word clocked into the serial input register.
Inherent in the design is low charge injection for minimum transients when switching the digital inputs. The variable resistor offers a completely programmable value of resistance between the A terminal and the wiper or the B terminal and the wiper. For users of 3. A serial data output pin at the opposite datashret of the serial register AD only allows simple daisy chaining in multiple VR applications without requiring additional external decoding logic.