參數資料
型號： CDB42L73
廠商： Cirrus Logic Inc
文件頁數： 2/7頁
文件大?。?/td> 0K
描述： EVAL BD PORTABLE SMARTPHON CODEC
視頻文件： CS42L73 and CS35L00/01/03
特色產品： CS42L73 Low Power Mobile Stereo Codec
標準包裝： 1
主要目的： 音頻編解碼器
嵌入式： 否
已用 IC / 零件： CS42L73
主要屬性： 立體聲 ADC，4 個 DAC 至 5 個輸出
次要屬性： 3 串行端口
已供物品： 板
產品目錄頁面： 755 (CN2011-ZH PDF)
其它名稱： 598-1807
2
CS42L73
Stereo Analog to Digital Features
91 dB Dynamic Range (A-wtd)
-85 dB THD+N
Independent ADC Channel Control
2:1 Stereo Analog Input MUX
Stereo Line Input
–
Shared Pseudo-differential Reference Input
Dual Analog MIC Inputs
–
Pseudo-diff. or Single-ended
–
Two, Independent, Programmable, Low-
noise, MIC Bias Outputs
–
MIC Short Detect to Support Headset Button
Analog Programmable Gain Amplifier (PGA)
(+12 to -6 dB in 0.5 dB steps)
+10 dB or +20 dB Analog MIC Boost in Addition
to PGA Gain Settings
Programmable Automatic Level Control (ALC)
–
Noise Gate for Noise Suppression
–
Progr. Threshold & Attack/Release Rates
Dual Digital Microphone Interface
Programable Clock Rate
– Integer Divide by 2 or 4 of Internal MCLK
Stereo DAC to Headphone Amplifier
94 dB Dynamic Range (A-wtd)
-81 dB THD+N into 32
Ω
Integrated Step-down/Inverting Charge Pump
Class H Amplifier - Automatic Supply Adj.
–
High Efficiency
–Low EMI
Pseudo-differential Ground-centered Outputs
High HP Power Output at -70/-81 dB THD+N
–
2 x 17/8.5 mW into 16/32
Ω @ 1.8 V
Pop and Click Suppression
Analog Vol. Ctl. (+12 to -50 dB in 1 dB steps; to
-76 dB in 2 dB steps) with Zero-cross Trans.
Digital Vol. Ctl. (+12 to -102 dB in 0.5 dB steps)
with Soft-ramp Transitions
Programmable Peak-detect and Limiter
Stereo DAC to Line Outputs
97 dB Dynamic Range (A-wtd)
-86 dB THD+N
Class-H Amplifier
Pseudo-differential Ground-centered Outputs
1 VRMS Line Output @ 1.8 V
Pop and Click Suppression
Analog Vol. Ctl. (+12 to -50 dB in 1 dB steps; to
-76 dB in 2 dB steps) with Zero-cross Trans.
Digital Vol. Ctl. (+12 to -102 dB in 0.5 dB steps)
with Soft-ramp Transitions
Programmable Peak-detect and Limiter
Mono DAC to Ear Speaker Amplifier
High Power Output at -70 dB (0.032%) THD+N
–
45 mW into 16
Ω @ 1.8 V
Pop and Click Suppression
Digital Vol. Ctl. (+12 to -102 dB in 0.5 dB steps)
with Soft-ramp Transitions
Programmable Peak-detect and Limiter
Mono DAC to Speakerphone Amplifier
High Output Power at
≤ 1% THD+N
–
1.18/0.84/0.66 W into 8
Ω @ 5.0/4.2/3.7 V
Direct Battery-powered Operation
Pop and Click Suppression
Digital Vol. Ctl. (+12 to -102 dB in 0.5 dB steps)
with Soft-ramp Transitions
Programmable Peak-detect and Limiter
Mono DAC to Speakerph. Line Output
84 dB Dynamic Range (A-wtd)
-75 dB THD+N
High Voltage (1.53 VRMS @ VA = 1.8 V, VP =
3.7 V) Line Output to Ensure Maximum Output
from a Wide Variety of External Amplifiers
Pop and Click Suppression
Digital Vol. Ctl. (+12 to -102 dB in 0.5 dB steps)
with Soft-ramp Transitions
Programmable Peak-detect and Limiter
Serial Ports
Three Independent Serial Ports: Auxiliary,
Audio, and Voice
8.00, 11.025, 12.00, 16.00, 22.05, 24.00,
32.00, 44.10, and 48.00 kHz Sample Rates
All Ports Support Master or Slave Operation
with IS Interface
Auxiliary and Voice Ports Support Slave
Operation with PCM Interface
Auxiliary and Audio Ports are Stereo-
Input/Stereo-Output to/from Digital Mixer
Voice Port is Mono-Input/Stereo-Output to/from
Digital Mixer
Integrated Asynch. Sample Rate Converters
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