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Hearing Aids  Favorite


A hearing aid is a small electronic device worn in or behind the hear which amplifies incoming sounds for the hearing impaired.

Freescale's MCU and power management solutions meet the needs of hearing aid designers. We have DSCs that offer the ease of use of a MCU and the mathematical precision of a DSP, allowing designers to create cost-effective, low-power solutions. In addition, Freescale offers an extensive power management portfolio, including variety of Lithium-ion battery chargers.

Read more about hearing aids (pdf)

Freescale Hearing Aids block diagram

Recommended Solutions


Products Features
Digital Signal Controllers (DSC)
DSP56371: 24-bit Symphony DSP 88K words internal RAM, up to 180 MIPS, integrated S/PDIF receiver, Dolby Headphone in ROM
DSP56374: 24-bit Symphony DSP 18K words internal RAM, up to 150 MIPS, Dolby Headphone in ROM
DSP56725: 24-bit Dual-Core Symphony DSP Dual-core, 112K words internal RAM, up to 500 MIPS, integrated ASRC and S/PDIF transceiver
56F801X: Digital Signal Controller with LIN 32 MHz DSC, 16K flash, MCPWM, 2xADC, LIN
56F802X: Digital Signal Controller 32 MHz DSC, 32K flash, MCPWM, 2xADC, 2xDAC, 2xCMP
56F803X: Digital Signal Controller with CAN 32 MHz DSC, 64K flash,  MCPWM, 2xADC, 2xDAC, 2xCMP, CAN
MC56F800x: MC56F8006 and MCF56F8002 Digital Signal Controllers 32 Mhz ultra-low-power DSC, 16KB Flash
Inertial Sensors
MMA745xL: ±2g/±4g/±8g, Low g, Digital Accelerometer Three Axis, Low-g digital  accelerometer
MMA8450Q: ±2g/±4g/±8g, Low g, Digital Accelerometer Xtrinsic low-noise, low-power Accelerometer
MMA8451Q: ±2g/±4g/±8g, Low g, 14-bit Digital Accelerometer Xtrinsic Low-g digital accelerometer
Li-Ion Battery Charger Circuit
MC34712: 3.0A 1.0MHz Integrated DDR Switch-Mode Power Supply Li-Ion battery charger, DDR switch-mode power supply (3.0A, 1 MHz)
MC34713: 5.0A 1.0MHz Integrated Single Switch-Mode Power Supply Li-Ion battery charger, single switch-mode power supply (5A, 1 MHz)
MC34716: 1.0 MHz Dual Switch-Mode DDR Power Supply Li-Ion battery charger, dual switch-mode DDR power supply (5A, 1 Mhz)
MC34717: 5.0A 1.0MHz Integrated Dual Switch-Mode Power Supply Li-Ion battery charger, dual switch-mode power supply (5A, 3.3V)
Power Management
MC34704: Multi-channel Power Management IC (PMIC) Multi-channel Power Management IC
MC34712: 3.0A 1.0MHz Integrated DDR Switch-Mode Power Supply Li-Ion battery charger, DDR switch-mode power supply (3.0A, 1MHz)
MC34713: 5.0A 1.0MHz Integrated Single Switch-Mode Power Supply Li-Ion battery charger, single switch-mode power supply (5A, 1MHz)
MC34716: 1.0 MHz Dual Switch-Mode DDR Power Supply Li-Ion battery charger, dual switch-mode DDR power supply (5A, 1Mhz)
MC34717: 5.0A 1.0MHz Integrated Dual Switch-Mode Power Supply Li-Ion battery charger, dual switch-mode power supply (5A, 3.3V)
Wireless Communications
MC13211: 2.4 GHz 802.15.4 RF and 8-bit HCS08 MCU with 16KB Flash, 1KB RAM 2.4 GHz low-cost system in package (SiP)
MC13233: 2.4 GHz 802.15.4 RF and 8-bit HCS08 MCU with up to 82KB Flash, 5KB RAM 2.4 GHz wireless system on chip with S08 MCU
Advantages
  • Freescale product longevity program offers up to 15-year availability for selected products
  • 8-bit MCUs offer low-power consumption to enable longer battery life
  • S08LL MCU provides additional superior LCD controller IP
  • Dedicated medical peripherals and healthcare connectivity stacks
  • USB, IEEE® 802.15.4 and ZigBee® technology solutions for wireless interfaces
  • Pressure sensors packaged specifically for medical applications
  • High-end MPIs, video and graphics acceleration
  • Touch U/I suited for sterile handheld monitors
  • Cost-effective, amplified, small form factor sensors with high sensitivity
  • Integrated analog portfolio that enables maximum battery life with advanced PMICs

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