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AK4340

AKM
Part Number AK4340
Manufacturer AKM
Description 24-Bit Stereo DAC
Published Mar 21, 2007
Detailed Description www.DataSheet4U.com ASAHI KASEI AKM CONFIDENTIAL [AK4340] = Preliminary = AK4340 192kHz 24-Bit Stereo ∆Σ DAC with ...
Datasheet PDF File AK4340 PDF File

AK4340
AK4340

Overview
www.
DataSheet4U.
com ASAHI KASEI AKM CONFIDENTIAL [AK4340] = Preliminary = AK4340 192kHz 24-Bit Stereo ∆Σ DAC with 2Vrms Output GENERAL DESCRIPTION The AK4340 offers the ideal features for consumer systems that require a 2Vrms audio output.
Using AKM's multi bit architecture for its modulator the AK4340 delivers a wide dynamic range while preserving linearity for improved THD+N performance.
The AK4340 integrates the Switched Capacitor Filter (SCF) increasing performance for systems with excessive clock jitter.
The 24 Bit word length and 192kHz sampling rate make this part ideal for a wide range of applications including Set-top-box, DVD-Audio.
The AK4340 is offered in a space saving 16pin TSSOP package.
FEATURES † Sampling Rate Ranging from 8kHz to 192kHz † 128 times Oversampling (Normal Speed Mode) † 64 times Oversampling (Double Speed Mode) † 32 times Oversampling (Quad Speed Mode) † 24-Bit 8 times FIR Digital Filter † Switched Capacitor Filter with High Tolerance to Clock Jitter † On chip Buffer with 2Vrms Single-ended output † Digital De-emphasis Filter: 32kHz, 44.
1kHz or 48kHz † Soft Mute Function † Digital Attenuator (Linear 256 Step) † Audio interface format: 24Bit MSB justified, 24/20/16 LSB justified or I2S compatible † Master clock: 256fs, 384fs, 512fs, 768fs or 1152fs (Normal Speed Mode) 128fs, 192fs, 256fs or 512fs (Double Speed Mode) 128fs or 192fs (Quad Speed Mode) † THD+N: -90dB † Dynamic Range: 106dB † Power supply: +4.
5V to +5.
5V (DAC), - 4.
5V to - 13.
2V (Output Buffer) † Ta = - 20 to 85 °C † Package: 16pin TSSOP (6.
4mm x 5.
0mm) P/S MCLK GAIN VDD SMUTE/CSN ACKS/CCLK DIF0/CDTI µP Interface De-emphasis Control Clock Divider VSS HVEE LRCK BICK SDTI Audio Data Interface ATT 8X Interpolator 8X Interpolator ∆Σ Modulator ∆Σ Modulator SCF LPF SCF LPF AOUTL ATT AOUTR PDN Rev.
0.
6 -1- 2005/11 ASAHI KASEI AKM CONFIDENTIAL [AK4340] „ Ordering Guide AK4340ET AKD4340 -20 ∼ +85°C 16pin TSSOP (0.
65mm pitch) Evaluation board for AK4340 „...


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