CS4216-KL - 16-Bit Stereo Audio Codec | Cirrus Logic
料号： CS4216-KL ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $313.26 | $313.26 |
| 10 | $298.31 | $2,983.10 |
| 100 | $271.19 | $27,119.00 |
| 500 | $243.53 | $121,765.00 |
| 1,000 | $221.38 | $221,380.00 |
CS4216-KL 概述
An audio codec is a mixed-signal interface IC that converts audio between analog and digital domains. Its hierarchy is audio codec, multimedia codec, analog-to-digital and digital-to-analog converter, interface IC, and semiconductor. The CS4216 combines those functions so a digital computer system can accept analog audio sources, process samples digitally, and reproduce them through analog outputs without separate converter packages.
Key capabilities include 16-bit stereo conversion, four analog inputs, two analog outputs, integrated interpolation and filtering functions, and a shared serial data interface. The CS4216 family targets computer multimedia, automotive, and portable audio equipment. Its integrated filtering and level-setting functions simplify board partitioning, while its multiplexed digital bus reduces the number of interconnects required between the codec and host or digital-audio controller.
Technically, the monolithic CMOS implementation combines two conversion channels with shared digital serialization. Interpolation filters suppress unwanted high-frequency content and reduce aliasing in the reconstruction path, while the digital interface carries both stereo channels using word rates up to 50 kHz. The 44-pin PLCC offers a surface-mount package with J-lead termination and a body size of 16.59 mm by 16.59 mm.
Typical uses include desktop and notebook multimedia audio, portable-audio equipment, automotive audio systems, and embedded systems requiring simultaneous analog capture and playback. In these applications, the four inputs can serve microphones, line-level sources, or other analog audio points, while the two outputs feed downstream amplifiers or audio routing stages. Host connectivity still requires correct timing, format, and signal-level design.
The main design consideration is package and signal planning. Because the converter is a 44-pin PLCC rather than a modern leadless package, its footprint has limited long-term layout flexibility. Board layout should preserve analog and digital return paths, provide suitable bypassing, and follow the manufacturer's pin and reference-circuit guidance rather than assuming a generic codec footprint.
This page consolidates the verified CS4216-KL identity, package, converter topology, application fit, and verified drop-in alternatives. It also distinguishes documented capabilities from parameters that still require confirmation from the manufacturer datasheet or a live distributor quotation.
直接替换替代料： CS4216-KL ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
CS4216-KQ
✅ 直接替换📋 参考替代料（不在目录中）
CS4216
✅ 直接替换📋 参考替代料（不在目录中）
CS4216-KLZ
✅ 直接替换📋 参考替代料（不在目录中）
CS4216-KL 最大额定值与电气特性
| Product Type | 16-bit stereo audio codec |
| Converter Resolution | 16 bit |
| Channel Count | 2 channels |
| Analog Inputs | 4 inputs |
| Analog Outputs | 2 outputs |
| Maximum Audio Word Rate | 50 kHz |
| Integrated Functions | A/D conversion, D/A conversion, filtering, and level setting |
| Digital Interface | Single multiplexed serial data bus |
| Process Technology | Monolithic CMOS |
| 封装 | 44-pin PLCC |
| Package Body Size | 16.59 mm x 16.59 mm |
| 安装类型 | Surface mount |
| Termination Type | J-lead |
| Primary Application | Computer multimedia audio |
| Additional Applications | Automotive audio and portable audio |
| Manufacturer | Cirrus Logic |
CS4216-KL 16.59 mm x 16.59 mm 引脚配置指南
CS4216-KL（16.59 mm x 16.59 mm 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： CS4216-KL.
请参阅 数据手册 以查看完整引脚配置。
典型应用
CS4216-KL 适用于 7 应用s: Desktop Computer Multimedia Audio, Notebook Computer Audio, Portable Audio Equipment, Automotive Audio Interface, USB Audio Accessory, Analog Audio Mixing and Playback, Industrial Multimedia Control Panel.
Desktop Computer Multimedia Audio
The CS4216-KL fits legacy desktop and notebook audio subsystems because it combines 16-bit stereo conversion with four analog inputs, two analog outputs, filtering, and level setting in one codec. Its single multiplexed serial data bus reduces host-interface wiring compared with separate left- and right-channel paths. The verified maximum word rate of 50 kHz supports the device's stated computer-multimedia use case. Board implementation should follow the manufacturer reference circuit, including its 44-pin PLCC footprint and recommended analog bypassing.
推荐
Notebook Computer Audio
The CS4216-KL's four analog inputs and two analog outputs allow a notebook audio subsystem to combine capture and playback without separate monolithic converter packages. Its integrated filtering, level setting, and 16-bit stereo conversion are especially useful where board area is constrained, while the shared serial bus connects to a compatible host or audio controller. Designers should verify the legacy PLCC footprint, connector routing, ground partitioning, and software-driver expectations before adopting it in a new notebook platform.
推荐
Portable Audio Equipment
The CS4216-KL is identified by the manufacturer for portable-audio systems and integrates conversion, filtering, and level setting into one 16-bit stereo codec. Its four inputs and two outputs support compact analog-audio routing, while the multiplexed serial bus limits digital interconnect count. For battery-powered equipment, however, engineers must confirm supply voltage, standby consumption, analog performance, and thermal behavior from the full datasheet because those numerical values were not present in the verified excerpts.
推荐
Automotive Audio Interface
The CS4216 family supports automotive audio applications by providing a consolidated 16-bit stereo codec with four analog inputs, two analog outputs, filtering, and level setting. This can simplify an automotive head-unit or interface design that must manage several analog sources and playback channels. Before adopting the CS4216-KL, verify its ordering-code temperature grade, automotive qualification, supply range, and noise performance; AEC-Q100 status is not established by the supplied web excerpts and cannot be assumed.
推荐
USB Audio Accessory
A USB audio accessory can use the CS4216-KL for analog-to-digital and digital-to-analog conversion while a USB controller manages the host link. The codec's four inputs can accommodate line-level or microphone-oriented sources, and the two outputs can feed an analog output stage; the manufacturer's integrated filtering and level setting reduce external support circuitry. The 44-pin PLCC package requires careful analog isolation from USB and digital clock paths, and a new design may favor smaller modern codecs.
推荐
Analog Audio Mixing and Playback
The CS4216-KL's four analog inputs and two outputs are useful in compact source-selection and playback designs where several analog sources must be captured or routed. Integrated level setting and filtering support a cleaner analog architecture than separate loose converter blocks, while 16-bit stereo conversion preserves the device's intended multimedia role. Engineers should follow the datasheet mixer and gain-control implementation because the supplied excerpts do not provide individual channel-gain ranges, input impedance, or output-headroom values.
推荐
Industrial Multimedia Control Panel
An industrial multimedia panel can use the CS4216-KL to handle announcement, microphone, or line-level audio while retaining two stereo playback outputs. The device's 16-bit resolution and integrated filtering are suitable for legacy multimedia-control architectures, and its shared serial data bus simplifies the connection to an embedded controller. Industrial suitability must be checked against the exact temperature grade, supply requirements, EMC constraints, and long-term availability, none of which are fully documented in the supplied excerpts.
推荐
推荐产品汇总
工程参考数据： CS4216-KL ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | CS4216-KQ | CS4216 | CS4216-KLZ | CS4216-KL |
|---|---|---|---|---|---|
| Brand | Cirrus Logic | Cirrus Logic | Cirrus Logic | Cirrus Logic | Cirrus Logic |
| Package | 44-pin PLCC | 44-pin PLCC | 44-pin PLCC | 44-pin PLCC | 44-pin PLCC |
| Product Type | 16-bit stereo audio codec | CS4216-family audio codec | 16-bit stereo audio codec | CS4216-family audio codec | 16-bit stereo audio codec |
关键差异点
- Four inputs and two outputs are integrated into one stereo codec （对比 CS4216)
- Single multiplexed serial bus simplifies digital interconnection （对比 CS4216-KQ)
- The family targets both multimedia and automotive audio use cases （对比 CS4216-KLZ)
设计说明
Design the PCB around the verified 44-pin PLCC footprint, including its J-lead body and land pattern. Do not substitute a generic QFP or LQFP library symbol. Because the CS4216-KL is a legacy PLCC device, validate the land pattern, solder paste volume, component clearance, and hand-soldering plan before release. The supplied excerpts establish the 16.59 mm by 16.59 mm body size but do not reproduce the manufacturer land-pattern drawing.
Separate analog inputs, analog outputs, and codec ground-current paths from noisy digital and clock-return paths. Place the manufacturer's recommended input, output, reference, and bypass capacitors directly at the associated pins, and keep the multiplexed serial bus away from sensitive analog nodes. The verified excerpts confirm that analog and digital functions share one device, making intentional return-path management essential.
Do not treat CS4216, CS4216-KL, CS4216-KQ, and CS4216-KLZ as automatically interchangeable. Ordering suffixes can encode grade, temperature, or packaging information that is not visible in the supplied snippets. Before substituting a suffix, compare the manufacturer ordering table, pin functions, electrical limits, timing, and qualification. Also verify the host clock and serial-data format because the codec multiplexes left and right channels on one bus.
合规信息
The verified excerpts do not provide definitive RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations. The automotive application is stated, but qualification of the exact ordering suffix must be confirmed from manufacturer documentation.
