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Description
Electronic Component Model: SDIS4BH-008G
Product Category: IC Chips
Bipolar Linear Integrated Circuit Silicon Monolithic
3V AM/FM 1 Chip Tuner IC (for Digital Tuning System)
TA2149BN, TA2149BFN are AM/FM 1 chip tuner ICs, which are designed for portable Radios and 3 V Head phone Radios. This is suitable for Digital Tuning System Applications. FM Local Oscillation Voltage is set up low relativity, for NEW FCC.
Specifications and features
- For NEW FCC.
- Suitable for combination with Digital Tuning System which is included IF Counter.
- Adjustable for IF count output sensitivity by external resistance of pin 17 (FM only).
- One terminal type AM/FM IF count output for IF counter of Digital Tuning System.
- FM: 1.3375 MHz (1/8 dividing)
- AM: 450 kHz
- Built-in Mute Circuit for IF count output.
- For adopting ceramic Discriminator, it is not necessary to adjust the FM Quad Detector Circuit.
- Built-in FM MPX VCO circuit.
- Built-in one terminal type AM/FM Local Oscillator Buffer Output for Digital Tuning System Applications.
- Built-in 1/16 Pre-scaler for FM Local OSC Buffer.
- Built-in AM Low cut circuit.
- Low supply current. (VCC= 3 V, Ta = 25°C)
- ICCq(FM) = 13 mA (Typ.)
- ICCq(AM) = 8.5 mA (Typ.)
- Operating Supply voltage range: VCC= 1.8~7 V (Ta = 25°C)
Application Scenarios
This IC chip is primarily designed for portable radios and 3V headphone radios. It is suitable for digital tuning system applications. The low supply current and operating supply voltage range make it versatile for various electronic devices.
Comparison
- Advantages
- Suitable for combination with Digital Tuning System
- Adjustable for IF count output sensitivity
- Built-in FM MPX VCO circuit
- Built-in AM/FM Local Oscillator Buffer Output
- Disadvantages
- Not suitable for radios with higher voltage requirements
- Requires external resistance for IF count output sensitivity adjustment
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Datasheet
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Shopping guide
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Additional Information
- Datasheet: Download SDIS4BH-008G
- Chipdatas Part: CD88-SDIS4BH-008G
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/09/29 03:03 +0800
Refund
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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