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参数资料
| 型号： | CS4353-CNZR |
| 厂商： | CIRRUS LOGIC INC |
| 元件分类： | DAC |
| 中文描述： | SERIAL INPUT LOADING, 24-BIT DAC, QCC24 |
| 封装： | 4 MM, LEAD FREE, QFN-24 |
| 文件页数： | 9/25页 |
| 文件大小： | 278K |
| 代理商： | CS4353-CNZR |
DS803F3
17
CS4353
4.8
Initialization
When power is first applied, the DAC enters a reset (low power) state at the beginning of the initialization
sequence. In this state, the AOUTx pins are weakly pulled to ground and VBIAS is connected to VA.
The device will remain in the reset state until the RESET pin is brought high. Once the RESET pin is high,
the internal digital circuitry is reset and the DAC enters a power-down state until MCLK is applied. Alterna-
tively, if no external reset control is required, the internal power-on reset can be used by tying the RESET
pin to VL (see Section 4.7).
Once MCLK is valid, the device enters an initialization state in which the charge pump powers up and charg-
es the capacitors for both the positive and negative high-voltage supplies.
Once LRCK and SCLK are valid, the number of MCLK cycles is counted relative to the LRCK period to de-
termine the MCLK/LRCK frequency ratio. Next, the device enters the power-up state in which the interpo-
lation and decimation filters and delta-sigma modulators are turned on, the internal voltage reference,
VBIAS, powers up to normal operation, the analog output pull-down resistors are removed, and power is
applied to the output amplifiers.
After this power-up state sequence is complete, normal operation begins and analog output is generated.
If valid MCLK, LRCK, and SCLK are applied to the DAC before RESET is set high, the total time from RE-
SET being set high to the analog audio output from AOUTx is less than 50 ms.
See Figure 9 for a diagram of the device’s states and transition conditions.
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| CS4353-CZZ | 功能描述:音频数/模转换器 IC 3.3V Stereo DAC w/ 2Vrms Line Driver RoHS:否 制造商:Texas Instruments 转换器数量: 分辨率:16 bit 接口类型:I2S, UBS 转换速率: 信噪比:98 dB 工作电源电压:5 V DAC 输出端数量:2 工作温度范围:- 25 C to + 85 C 电源电流:23 mA 安装风格:SMD/SMT 封装 / 箱体:TQFP-32 封装:Reel |
| CS4353-CZZR | 功能描述:音频数/模转换器 IC 3.3V Stereo DAC w/2Vrms Line Driver RoHS:否 制造商:Texas Instruments 转换器数量: 分辨率:16 bit 接口类型:I2S, UBS 转换速率: 信噪比:98 dB 工作电源电压:5 V DAC 输出端数量:2 工作温度范围:- 25 C to + 85 C 电源电流:23 mA 安装风格:SMD/SMT 封装 / 箱体:TQFP-32 封装:Reel |
| CS4353-DNZ | 功能描述:IC DAC STER 106DB 2VRMS 24-QFN RoHS:是 类别:集成电路 (IC) >> 数据采集 - 数模转换器 系列:- 标准包装:2,400 系列:- 设置时间:- 位数:18 数据接口:串行 转换器数目:3 电压电源:模拟和数字 功率耗散（最大）:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:36-TFBGA 供应商设备封装:36-TFBGA 包装:带卷 (TR) 输出数目和类型:* 采样率（每秒）:* |
| CS4353-DNZR | 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:3.3 V Stereo Audio DAC with 2 VRMS Line Output |
| CS4353-DZZ | 功能描述:音频数/模转换器 IC 3.3V Stereo DAC w/ 2Vrms Line Driver RoHS:否 制造商:Texas Instruments 转换器数量: 分辨率:16 bit 接口类型:I2S, UBS 转换速率: 信噪比:98 dB 工作电源电压:5 V DAC 输出端数量:2 工作温度范围:- 25 C to + 85 C 电源电流:23 mA 安装风格:SMD/SMT 封装 / 箱体:TQFP-32 封装:Reel |
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