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參數(shù)資料
| 型號： | AK4705 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | 2ch 24bit DAC with AV SCART Switch |
| 中文描述： | 2通道24位DAC，具有影音SCART開關(guān) |
| 文件頁數(shù)： | 1/50頁 |
| 文件大?。?/td> | 660K |
| 代理商： | AK4705 |
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[AK4705]
MS0451-E-01
2007/06
- 1 -
GENERAL DESCRIPTION
The AK4705 offers the ideal features for digital set-top-box systems. Using AKM's multi-bit architecture
for its modulator, the AK4705 delivers a wide dynamic range while preserving linearity for improved
THD+N performance. The AK4705 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
AK4705 also including the audio switches, volumes, video switches, video filters, etc. designed primarily
for digital set-top-box systems. The AK4705 is offered in a space saving 48-pin LQFP package.
FEATURES
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 De–Emphasis for 32k, 44.1k and 48kHz Sampling
I/F Format: 24bit MSB Justified, I
2
S, 18/16bit LSB Justified
Master Clock: 256fs, 384fs
High Tolerance to Clock Jitter
Analog Switches for SCART
Audio Section
THD+N: –86dB (@2Vrms)
Dynamic Range: 96dB (@2Vrms)
Stereo Analog Volume with Pop-noise Free Circuit
(+6dB to –60dB & 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: –40dB@27MHz
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
Loop–Through Mode for Standby
Auto–Startup Mode for Power Saving
SCART Pin#16(Fast Blanking), Pin#8(Slow Blanking) Control
AK4702/04 Software Compatible
2ch 24bit DAC with AV SCART Switch
AK4705
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AK4706 | 2ch 24bit DAC with AV Switch & HD/SD Video Filter |
| AK4706VQ | 2ch 24bit DAC with AV Switch & HD/SD Video Filter |
| AK4707 | AV SCART Switch |
| AK4707EQ | AV SCART Switch |
| AK4708 | AV SCART Switch with Two RGB Outputs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4705AEQ | 制造商:AKM 制造商全稱:AKM 功能描述:AK4705A Evaluation Board Rev.0 |
| AK4705VQ | 功能描述:IC AV SCART SWITCH 64LQFP 制造商:akm semiconductor inc. 系列:* 零件狀態(tài):上次購買時間 標(biāo)準(zhǔn)包裝:1,000 |
| AK4706 | 制造商:AKM 制造商全稱:AKM 功能描述:2ch 24bit DAC with AV Switch & HD/SD Video Filter |
| AK4706_10 | 制造商:AKM 制造商全稱:AKM 功能描述:2ch 24bit DAC with AV Switch & HD/SD Video Filter |
| AK4706VQ | 制造商:AKM 制造商全稱:AKM 功能描述:2ch 24bit DAC with AV Switch & HD/SD Video Filter |
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