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Amplifier Circuits / Isolation Amplifiers / ISO121
ISO121 by:
Burr-Brown Corp
Burr-Brown Corp
Rochester Electronics LLC
Texas Instruments
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Part Details for ISO121 by Panasonic Electronic Components

Results Overview of ISO121 by Panasonic Electronic Components

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ISO121 Information

ISO121 by Panasonic Electronic Components is an Isolation Amplifier.
Isolation Amplifiers are under the broader part category of Amplifier Circuits.

Amplifier circuits use external power to increase the amplitude of an input signal. They can be used to perform linear amplifications or logarithmic functions. Read more about Amplifier Circuits on our Amplifier Circuits part category page.

Parametric Data

Part Details for ISO121

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Resources and Additional Insights for ISO121

Reference Designs related to ISO121

  • Broken Wire Detection Using An Optical Switch Reference Design
    This reference design shows a compact implementation of 16 isolated digital input channels using TI's ISO121x devices. The design is split into two groups of eight channels each. A broken wire detection can be executed using only one additional optical switch for each channel or two optical switches and one additional capacitor for each group. For this functionality no secondary side supply is needed: which gives a unique benefit to digital input modules using the ISO121x family.
  • Sub 1-W: 16-Channel: Isolated Digital Input Module Reference Design
    This reference design shows a compact implementation of 16 isolated digital input channels using TI's ISO121x devices. The design works without an isolated supply and supports up to 100-kHz input signals (200-kbit) per channel. All 16 channels consume less than 1-W input power combined: which enables a compact layout and results in minimum heat dissipation.
  • TÜV SÜD-assessed safe torque off (STO) reference design for industrial drives (IEC 61800-5-2)
    This reference design implements safe torque off functionality in variable speed drives (per IEC61800-5-2) by using dual channel isolated STO signals to control the inverter that supplies power to the motor. This is accomplished by independently enabling/disabling power to the isolated gate driver IC through load switches on VCC1 and VCC2. This reference design also provides diagnostic coverage for detecting various faults which helps in increasing safe failure fraction.  This design uses ISO1212 as an isolated 24-V digital input receiver: compliant to IEC 61131-2 Type 1 characteristics to accept the two STO signals. Unlike traditional optocoupler solutions with discrete components having imprecise current limiting circuitry: the ISO1212 devices provide a simple: low-power solution with accurate current limits and a longer lifespan. The adjustable current-limit function of the load switch improves the reliability of the system. The ready pin of the gate driver: ISO5852S: helps in monitoring the supply rails.
  • AC level 2 charger platform reference design
  • SAE J1772-compliant electric vehicle service equipment reference design for level 1 and 2 EV charger
    This reference design highlights an ultra-low standby isolated AC/DC auxiliary power stage followed by converters and linear regulators: a comparator-based control pilot interface to meet the SAE J1772 standard: an  efficient relay and contactor drive and isolated line voltage sensing across the relay and contactor. Electric vehicle service equipment (EVSE) facilitates power delivery to electric vehicles safely from the grid. An EVSE control system consists of an auxiliary power stage: an off-board AC/DC high power stage (only in DC charging stations): energy metering unit: AC and DC residual current detector: an isolation monitor unit: relays and contactors with drive: two-way communication over single wire: service and user interfaces.
  • Flat-Clamp TVS based Reference Design for Protection Against Transient for Grid Applications
    This reference design features multiple approaches for  protecting AC or DC analog input: DC analog output: AC or DC binary input: digital output with a high side or low side driver: LCD bias supply: USB interfaces (power and data) and onboard power supplies with 24: 12 or 5V input used in multiple grid applications against overvoltage: overload and transients (1.2/50 us: 42-Ω) using flat-clamp surge protection: ESD devices: eFuse or a load switch. The design  monitors temperature: humidity: magnetic fields and power supplies for diagnostics.
  • Industrial wireless condition monitoring reference design
    Use this reference design to quickly establish a wireless network that connects various types of sensors for condition monitoring directly to the Cloud. Condition Monitoring is based on a regular or permanent recording of the machine condition which is necessary for predictive maintenance. Inputs such as RS-232: RS-485: IO-Link or resistance temperature detectors (RTDs) are included in the design to monitor different sensors and machines.
  • 96-Channel Bidirectional Digital Input Module Reference Design for PLC
    This reference design is a compact implementation of 96 isolated digital input channels using the ISO1212: an isolated digital input receiver. This design shows the current limit feature of the ISO1212 device which has better thermal performance than traditional optocoupler solutions. This design makes a digital input board with multiple channels more compact and decreases board temperature (less than 50 °C). A MUX and decoder with the ISO1212 device decreases the number of pins of the microcontroller from 96 to 8. The design was tested with 100-kHz input signals (200- kbit) per channel. The design uses less than 7.3 W of input power which results in less heat dissipation. All signals are designed to withstand ESD: EFT: and surge events according to IEC6100-4.
  • High density isolated PoE and GigE reference design for machine vision cameras and vision sensors
    Power over Ethernet (PoE) offers an easy and reliable solution to combine power and data in one cable with high data rate and long reach. This combination makes PoE ideal for small devices such as machine vision cameras and vision sensors. This reference design implements a complete PoE powered device (PD) including a 1-Gb/s physical layer and a highly efficient: isolated power solution in a very small form factor of 27 x 27 mm.
  • Damper and EEV controller Reference Design with power regulation and Hall-effect position sensing