ak4650 AKM Semiconductor, Inc., ak4650 Datasheet

ak4650

Manufacturer Part Number

ak4650

Description

16bit 6 Codec With Mic/hp/spk-amp & Tsc

Manufacturer

AKM Semiconductor, Inc.

Datasheet

1.AK4650.pdf (86 pages)

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The AK4650 targeted at PDA and other low-power, small size applications. It features a 16bit stereo

CODEC with a built-in Microphone-Amplifier, Headphone-Amplifier, Speaker-Amplifier and Touch Screen

Controller. Input circuits include a Microphone-Amplifier and an ALC (Auto Level Control) circuit. The

AK4650 is connected with AC’97 controller (CPU) via AC-Link. The AK4650 is available in a very small

57pin BGA, utilizing less board space than competitive offerings.

MS0502-E-01

1. Resolution: 16bits

2. Recording Function

3. Playback Function

Mono Input (Single-ended or Differential Input)

2 to 1 Selector (Internal and External MIC)

MIC Power: 2 outputs (Internal and External MIC)

ADC Performance (@MIC-Amp=+20dB, Single-ended):

MIC Detection

Digital De-emphasis Filter (tc=50/15 s, fs=32kHz, 44.1kHz, 48kHz)

Digital Volume (0dB

Bass Boost

Mono Output

Headphone-Amp

Headphone Jack Detection

Mono Speaker-Amp

Mono Beep Input

AUX Input

Stereo Line Input

MIC Amplifier: +20dB or 0dB

Amplifier with ALC: +27.5dB

- S/(N+D): 55dB@110mW, S/N: 90dB

- BTL Output

- ALC (Auto Level Control) circuit

- Full-differential Input

- Analog Volume: +12dB

- Single-ended Input

- Analog Volume: +12dB

- Full-differential Output

- S/(N+D): 85dB, S/N: 95dB

- Analog Volume: +6dB

- Output Power: 40mW@16 (HVDD=3.3V)

- S/(N+D): 60dB@10mW, S/N: 90dB

- Output Power: 300mW@8 (HVDD=3.3V, ALC2=OFF)

S/(N+D): 79dB, DR, S/N: 83dB

16Bit

GENERAL DESCRIPTION

CODEC with MIC/HP/SPK-AMP & TSC

63dB, 0.5dB Step, Mute)

FEATURES

- 1 -

15dB, 3dB Step

34.5dB, 1.5dB Step, Mute

8dB, 0.5dB Step

AK4650

[AK4650]

2007/04

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