IC BA6257

الدائرة المتكاملة BA6257

Meta Description of IC BA6257

The BA6257 is a 7-channel high-current driver IC originally developed by ROHM Co., Ltd. It was primarily designed to drive printer hammer solenoids in electronic calculators, allowing direct interfacing with MOS ICs due to its high input impedance.

Key Features of IC BA6257:

• Seven Darlington Transistor Arrays: The BA6257 integrates seven Darlington transistor pairs, each capable of sinking currents up to 100 mA.

• High Input Impedance of IC BA6257: This feature enables direct connection to MOS ICs without the need for additional interfacing components.

• High Withstanding Voltage of IC BA6257: The IC can handle input voltages up to 38V and output voltages up to 24V, making it suitable for various applications requiring robust voltage handling.

• Built-in Clamp Diodes of IC BA6257: Each channel includes a clamp diode, providing protection against voltage transients when driving inductive loads like solenoids and relays.

Typical Applications of IC BA6257:

• Hammer Solenoid Drivers: Specifically designed for driving printer hammer solenoids in electronic calculators.

• Relay Drivers: Suitable for controlling relays in various electronic circuits.

• LED Drivers: Can be used to drive LEDs requiring higher current levels.

Electrical Characteristics of IC BA6257:

• Operating Temperature Range: -25°C to +75°C.

• Output Current Maximum by IC BA6257: 75 mA per channel, with a peak current limit of 100

• Supply Voltage of IC BA6257: Nominal operating voltage is 20V.

Package Information of IC BA6257:

• Package Type: 16-pin Dual In-line Package (DIP-16).

• Dimensions of IC BA6257: Length: 19.4 mm; Width: 7.62 mm; Seated Height: 4.55 mm.

Availability of IC BA6257:

As of the latest available information, the BA6257 has been discontinued by ROHM Co., Ltd. However, existing stock may still be available through various electronic component distributors

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