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參數(shù)資料
| 型號(hào)： | CDB3318 |
| 廠商： | Cirrus Logic Inc |
| 文件頁(yè)數(shù)： | 1/17頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL FOR CS3318 VOL CTRL |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 音頻，音量控制 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | CS3318 |
| 主要屬性： | 8 個(gè)單端模擬輸入和輸出，USB 或 RS232 接口 |
| 次要屬性： | 圖形用戶界面 |
| 已供物品： | 板 |
| 產(chǎn)品目錄頁(yè)面： | 759 (CN2011-ZH PDF) |
| 相關(guān)產(chǎn)品： | CS3318-CQZR-ND - IC ANLG VOL CTRL 8CH 48-LQFP 598-1180-ND - IC ANLG VOL CTRL 8CH DGTL 48LQFP |
| 其它名稱(chēng)： | 598-1497 |
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Copyright
Cirrus Logic, Inc. 2006
(All Rights Reserved)
8-Channel Analog Volume Control
Features
Complete Analog Volume Control
–
8 Independently Controllable Channels
–
3 Configurable Master Volume and Muting
Controls
Wide Adjustable Volume Range
–
-96 dB to +22 dB in dB Steps
Low Distortion & Noise
–
-112 dB THD+N
–
127 dB Dynamic Range
Noise-Free Level Transitions
–
Zero-Crossing Detection with
Programmable Time-Out
Low Channel-to-Channel Crosstalk
–
120 dB Inter-Channel Isolation
Comprehensive Serial Control Port
–
Supports IC and SPITM Communication
–
Independent Control of up to 128 Devices
on a Shared 2-Wire IC or 3-Wire SPI
Control Bus
–
Supports Individual and Grouped Control of
all CS3318 Devices on the IC or SPI
Control Bus
Flexible Power Supply Voltages
–
±8 V to ±9 V Analog Supply
–
+3.3 V Digital Supply
Description
The CS3318 is an 8-channel digitally controlled analog
volume control designed specifically for high-end audio
systems. It features a comprehensive IC/SPI serial
control port for easy device and volume configuration.
The CS3318 includes arrays of well-matched resistors
and complementary low-noise active output stages. A
total adjustable range of 118 dB, in dB steps, is
spread evenly over 96 dB of attenuation and 22 dB of
gain.
The CS3318 implements configurable zero-crossing
detection to provide glitch-free volume-level changes.
The IC/SPI control interface provides for easy system
integration of up to 128 CS3318 devices over a single 2-
wire IC or 3-wire SPI bus, allowing many channels of
volume control with minimal system controller I/O re-
quirements. Devices may be controlled on an individual
and grouped basis, simplifying simultaneous configura-
tion of a group of channels across multiple devices,
while allowing discrete control over all channels on an
individual basis.
The device operates from ±8 V to ±9 V analog supplies
and has an input/output voltage range of ±6.65 V to
±7.65 V. The digital control interface operates at +3.3 V.
The CS3318 is available in a 48-pin LQFP package in
Commercial grade (-10° to 70° C). The CS3318 Cus-
tomer Demonstration board is also available for device
evaluation. Refer to “Ordering Information” on page 44
for complete details.
±8 V to ±9 V
+3.3 V
8-Channel
Analog
Outputs
IC/SPI
Serial
Control
8
+
_
Zero Crossing
Detector
IC / SPI
Control
Port
8-Channel
Analog
Inputs
8
DECEMBER '06
DS693F1
CS3318
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