MT8870
₹50.00
The MT8870D/MT8870D-1 is a comprehensive DTMF receiver that incorporates both the band split filter and the digital decoder features. For high and low group filters, switched capacitor techniques are used; for decoding, digital counting techniques are used to identify and decode all 16 DTMF tone-pairs into a 4-bit code. The on-chip supply of a differential input amplifier, clock oscillator, and latched three-state bus interface reduces the number of external components.
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Basic Information
Full bridge drivers, or H-bridges, are what are used in brush motor applications. Each IC has an operating voltage range of 6V to 15V and a maximum output current of 2A. The output stage's MOS transistors enable PWM speed control. Motor driver ICs that have been discontinued can be directly replaced thanks to the inbuilt VREF voltage control mechanism. Low-power consumption designs are made possible by these incredibly efficient H-bridge driver ICs.
Features
Built-in Selectable Features Cross-Conduction Prevention Circuit, OCP, OVP, TSD, and UVLO Protection Circuits, One Channel or Two Channels Configuration, VREF Voltage Setting Pin Enables PWM Duty Control, and One or Two Channels Configuration.
Key Particulars
Maximum Output Current: 0.5A, 1.0A, 2.0A;
Output ON-Resistance: 1.5;
PWM Input Frequency Range: 20kHz to 100kHz;
Standby Current: 0A;
Supply Voltage Range: 18V(Max); (Typ)
-40?C to 85?C is the operating temperature range.
Applications
VTR, CD/DVD players, audiovisual gear, optical disc drives, PC add-ons, and OA equipment
BP3122
The BP3122 is a high precision primary-side feedback and regulation controller for LED lighting that functions in constant current control mode and is designed to work in inductor current discontinuous conduction mode, making it particularly ideal for fly back converters with universal input. The system's output power should be less than 5W.
The BP3122 contains a 650V power MOSFET. The secondary sensing and feedback circuit has been deleted since the adoption of main sense and feedback control technology. The looping compensatory components are likewise deleted while the overall operating conditions remain stable. It employs patent-pending source driver design and demagnetization detecting technology, has a very low operating current, and does not require an extra winding for measuring output current and powering the device. Because of the low component counts
Using the innovative high precise current sensing technology, the BP3122 achieves 5% LED current accuracy as well as good line and load control.
The BP3122 includes several protective features such as LED open/short circuit protection, CS resistor short circuit protection, over-temperature protection, and VCC under voltage protection.
MC34063 DC TO DC Converter IC DIP-8 Package
The MC34063A Series is a monolithic control circuit containing the primary functions required for DC?to?DC converters. These devices consist of an internal temperature compensated reference, comparator, controlled duty cycle oscillator with an active current limit circuit, driver and high current output switch.
PCF85163D
Nearly any Liquid Crystal Display (LCD)1 with modest multiplex rates may be interfaced with the PCF85162 peripheral device. Any static or multiplexed LCD with up to four backplanes and up to 32 segments can have its driving signals generated by this device. For bigger LCD applications, it is simply cascaded. The two-line bidirectional I2 C-bus is used by the PCF85162 for communication with the majority of microcontrollers. A display RAM with auto-incremented addressing, hardware sub addressing, and display memory switching (static and duplex drive modes) all reduce communication overheads.
Features
LCD controller and driver on a single chip
Selectable display bias configuration: static, 12, or 13; Internal LCD bias generation with voltage-follower buffers; Selectable backplane drive configuration: static, 2, 3, or 4 backplane multiplexing; 32 segment drives:
Up to 8 14-segment alphanumeric characters, up to 16 7-segment numeric characters, and up to 128 components of any image
For storing display data, use 32 bits of RAM.
Flexible flashing modes; switching between display memory banks in static and duplex driving modes; and independent supply for LCD and logic voltage
Broad power supply range: 1.8 to 5.5 volts
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