Professional IC Distribution & Technical Solutions

Global leader in semiconductor components distribution and technical support services, empowering your product innovation and industry advancement

Product Catalog Contact Us
Home > HT > HT9212B

HT9212B Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
HT9212BHT143Yes

HT9212B is a DTMF (Dual-Tone Multi-Frequency) generator IC manufactured by Holtek Semiconductor.

The HT9212B is a DTMF (Dual-Tone Multi-Frequency) generator IC manufactured by Holtek Semiconductor.

Key Specifications:

  • Supply Voltage: 2.0V to 5.5V
  • Low Power Consumption:
  • Standby current: < 1µA
  • Operating current: < 1mA
  • DTMF Output:
  • Compliant with ITU-T Q.23 and Bellcore standards
  • Adjustable output amplitude via external resistor
  • Frequency Tolerance: ±0.5%
  • Operating Temperature Range: -20°C to +70°C
  • Package Options: 8-pin DIP/SOP

Features:

  • Built-in oscillator (requires only an external 3.579545MHz crystal)
  • Single-tone and DTMF mode selection
  • Power-down mode for reduced standby current
  • Simple serial interface for control
  • High noise immunity

Applications:

  • Telephone systems
  • Remote control devices
  • Security systems
  • Industrial automation

For detailed electrical characteristics and timing diagrams, refer to the official HT9212B datasheet from Holtek Semiconductor.

Request Quotation

Part Number:
Quantity:
Target Price($USD):
Email:
Contact Person:
Additional Part Number
Quantity (Additional)
Special Requirements
Verification: =

Recommended Products

  • HT48R11-F-O ,395,DIP20

    HT48R11-F-O** is a microcontroller manufactured by **Holtek Semiconductor**.

  • HT7133A-1 ,368,TO92

    HT7133A-1** is a low-dropout (LDO) voltage regulator manufactured by **Holtek Semiconductor**.

  • HT6221 ,135,SOP20

    HT6221 is an infrared remote control encoder IC manufactured by Holtek Semiconductor.

  • LSC4395P2,MOTO,14,DIP24

    LA7393A,SANYO,14,DIP

Sales Support

Our sales team is ready to assist with:

  • Fast quotation
  • Price Discount
  • Technical specifications
Contact sales