AK4538 Selling Leads, Price trend, AK4538 DataSheet download, circuit diagram from SeekIC.com

Features: 1. Resolution : 16bits 2. Recording Function` 1ch Mono Input` 2-Input Selector(Internal MIC, External MIC)` 1stMIC Amplifier : +20dB or 0dB` 2ndAmplifier with ALC : -8dB ~ +27.5dB, 0.5dB Step, Mute` ADC Performance : S/(N+D) : 79dB, DR, S/N : 83dB 3. Playback Function` Digital De-emphasi...

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SeekIC No. : 004279334 Detail

AK4538: Features: 1. Resolution : 16bits 2. Recording Function` 1ch Mono Input` 2-Input Selector(Internal MIC, External MIC)` 1stMIC Amplifier : +20dB or 0dB` 2ndAmplifier with ALC : -8dB ~ +27.5dB, 0.5dB S...

AK4538 Data Sheet

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Part Number:: AK4538
Supply Ability:: 5000

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Product Details

Description

Features:

1. Resolution : 16bits
2. Recording Function
      ` 1ch Mono Input
      ` 2-Input Selector(Internal MIC, External MIC)
      ` 1^st MIC Amplifier : +20dB or 0dB
      ` 2^nd Amplifier with ALC : -8dB ~ +27.5dB, 0.5dB Step, Mute
      ` ADC Performance : S/(N+D) : 79dB, DR, S/N : 83dB
3. Playback Function
      ` Digital De-emphasis Filter (tc=50/15ms, fs=32kHz, 44.1kHz, 48kHz)
      ` Digital Volume (0dB ~ -127dB, 0.5dB Step, Mute)
      ` Low Frequency Boost Function
      ` Mono Line Output
            - Differential Output
            - Performance : S/(N+D) : 89dB, S/N : 95dB
      ` Stereo Line Output
            - Performance : S/(N+D) : 88dB, S/N : 92dB
      ` Headphone-Amp
            - S/(N+D) : 70dB, S/N : 90dB
            - Output Power : 15mW@16W (HVDD=3.3V)
      ` Mono Speaker-Amp with ALC
            - S/(N+D) : 64dB, S/N : 90dB
            - BTL Output
            - Output Power : 150mW@8W (HVDD=3.3V)
      ` Mono and Stereo Beep Inputs
      ` AUX Input
           - Differential Input
          - -21dB ~ +24dB, Step 3dB, Mute
4. Power Management
5. Master Clock
      (1) PLL Mode
            ` Frequencies : 11.2896MHz, 12MHz and 12.288MHz
            ` Input Level : CMOS
      (2) External Clock Mode
            ` Frequencies : 1.792MHz ~ 12.288MHz
6. Output Master Clock Frequencies : 32fs/64fs/128fs/256fs
7. Sampling Rate
      (1) PLL Mode
            ` 8kHz, 11.025kHz, 16kHz, 22.05kHz, 24kHz, 32kHz, 44.1kHz, 48kHz
      (2) External Clock Mode
            ` 7kHz ~ 48kHz
8. Control mode: 4-wire Serial / I²C Bus
9. Master/Slave mode
10. Audio Interface Format : MSB First, 2's compliment
      ` ADC : I²S, 16bit MSB justified
      ` DAC : I²S, 16bit MSB justified, 16bit LSB justified
11. Ta = -10 ~ 70°C
12. Power Supply:    2.4V ~ 3.6V (typ. 3.3V)
13. Power Supply Current
      ` AVDD+DVDD : 16mA
      ` PVDD : 1.2mA
      ` HVDD (HP-AMP=ON, SPK-AMP=OFF) : 6.5mA
      ` HVDD (HP-AMP=OFF, SPK-AMP=ON) : 9mA
14. Package : 52pin QFN
15. AK4534 Pin Compatible

Pinout

Connection Diagram

Specifications

Parameter		Symbol	min	max	Units
Power Supplies:	Analog Digital PLL Headphone-Amp / Speaker-Amp \|AVSS PVSS\| (Note 2) \|AVSS DVSS\| (Note 2) \|AVSS HVSS\| (Note 2)	AVDD DVDD PVDD HVDD DGND1 DGND2 DGND3	-0.3 -0.3 -0.3 -0.3 - - -	4.6 4.6 4.6 4.6 0.3 0.3 0.3	V V V V V V V
Input Current, Any Pin Except Supplies		IIN	-	±10	mA
Analog Input Voltage		VINA	-0.3	AVDD+0.3	V
Digital Input Voltage		VIND	-0.3	DVDD+0.3	V
Ambient Temperature (powered applied)		Ta	-10	70	°C
Storage Temperature		Tstg	-65	150	°C

Note 1. All voltages with respect to ground.
Note 2. AVSS, DVSS, PVSS and HVSS must be connected to the same analog ground plane.

Description

The AK4538 targeted at PDA and other low-power, small size applications. It features a 16-bit stereo CODEC with a built-in Microphone-Amplifier, Headphone-Amplifier and Speaker-Amplifier. Input circuits include a Microphone-Amplifier and an ALC (Auto Level Control) circuit. The AK4538 is available in a 52-QFN, utilizing less board space than competitive offerings.

AK4538

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