AK4705AEQ
AK4705AEQ Datasheet
[AK4705A]
| Part | Datasheet |
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AK4705AEQ |
AK4705AEQ (pdf) |
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| [AK4705A] AK4705A 2ch 24bit DAC with AV SCART Switch The AK4705A offers the ideal features for digital set-top-box systems. Using AKM's multi-bit architecture for its modulator, the AK4705A delivers a wide dynamic range while preserving linearity for improved THD+N performance. The AK4705A integrates a combination of SCF and CTF filters, removing the need for high cost external filters and increasing performance for systems with excessive clock jitter. The AK4705A also including the audio switches, volumes, video switches, video filters, etc. designed primarily for digital set-top-box systems. The AK4705A is offered in a space saving 48-pin LQFP package. DAC Sampling Rates Ranging from 32kHz to 50kHz 64dB High Attenuation 8x FIR Digital Filter 2nd Order Analog LPF On Chip Buffer with Single-Ended Output Digital for 32k, 44.1k and 48kHz Sampling I/F Format 24bit MSB Justified, I2S, 18/16bit LSB Justified Master Clock 256fs, 384fs High Tolerance to Clock Jitter Analog Switches for SCART Audio Section THD+N Dynamic Range 96dB Stereo Analog Volume with Pop-noise Free Circuit +6dB to & Mute Analog Inputs Two Stereo Inputs TV&VCR SCART One Stereo Input Changeover to Internal DAC Analog Outputs Two Stereo Outputs TV, VCR SCART One Mono Output Modulator Pop Noise Free Circuit for Power On/Off Video Section Integrated LPF 75ohm Driver 6dB Gain for Outputs Adjustable Gain Four CVBS/Y Inputs ENCx2, TV, VCR , Three CVBS/Y Outputs RF, TV, VCR Three R/C Inputs ENCx2, VCR , Two R/C outputs TV, VCR Bi-Directional Control for VCR-Red/Chroma Two G and B Inputs ENC, VCR , One G and B Outputs TV Y/Pb/Pr Option to 6MHz VCR Input Monitor Mode for Standby Mode for Power Saving SCART Pin#16 Fast Blanking , Pin#8 Slow Blanking Control AK4702/04 Software Compatible MS0698-E-00 -1- 2007/12 Power Supply and Low Power Dissipation / Low Power Standby Mode Package Small 48pin LQFP Full Compatible with AK4705 [AK4705A] MS0698-E-00 -2- 2007/12 VD VP VSS MCLK BICK LRCK SDTI VCRINL VCRINR TVINL TVINR SCK SDA PDN VD VP VSS NC DACL DACR NC VCRINL VCRINR TVINL TVINR SCK SDA PDN -6dB/0dB/ +2.44/+4dB Volume #0 +6 to -60dB 2dB/step Volume #1 TV1/0 MONO Register Control Bias Mute VCR1/0 Audio Block DAPD=“0” VMONO 0dB/+6dB +6 to -60dB 2dB/step Volume #2 Volume #1 TV1/0 MONO Register Control Bias Mute VCR1/0 • Ordering Guide AK4705AEQ AKD4705A • Pin Layout -10 ~ +70°C 48pin LQFP 0.5mm pitch Evaluation Board for AK4705A [AK4705A] VCRINR VCRINL TVINR TVINL VCROUTR VCROUTL TVOUT R TVOUTL MONOOUT DVCOM PVCOM MCLK BICK SDTI LRCK VCRVOUT TVFB AK4705AEQ Top View TVSB VCRSB VCRB VCRG VCRRC VCRFB VCRVIN TVVIN ENCY ENCV ENCC ENCRC ENCG ENCB REFI |
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