参数资料
| 型号： | CS43L22-CNZR |
| 厂商： | Cirrus Logic Inc |
| 文件页数： | 15/66页 |
| 文件大小： | 0K |
| 描述： | IC DAC W/HDPN & SPKR AMPS 40-QFN |
| 标准包装： | 4,000 |
| 位数： | 24 |
| 数据接口： | 串行 |
| 转换器数目： | 1 |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-VFQFN 裸露焊盘 |
| 供应商设备封装： | 40-QFN（6x6） |
| 包装： | 带卷 (TR) |
| 输出数目和类型： | 2 电压，单极 |
| 采样率（每秒）： | 96k |
| 配用： | 598-1529-ND - BOARD EVAL FOR CS43L22 |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页当前第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页第47页第48页第49页第50页第51页第52页第53页第54页第55页第56页第57页第58页第59页第60页第61页第62页第63页第64页第65页第66页
22
DS792F2
CS43L22
Confidential Draft
3/4/10
4.2.1
Beep Generator
The Beep Generator generates audio frequencies across approximately two octave major scales. It offers
three modes of operation: Continuous, multiple and single (one-shot) beeps. Sixteen on and eight off
times are available.
Note:
The Beep is generated before the limiter and may affect desired limiting performance. If the lim-
iter function is used, it may be required to set the beep volume sufficiently below the threshold to prevent
the peak detect from triggering. Since the master volume control, MSTxVOL[7:0], will affect the beep vol-
ume, DAC volume may alternatively be controlled using the PCMxVOL[6:0] bits.
4.2.2
Limiter
When enabled, the limiter monitors the digital input signal before the DAC and PWM modulators, detects
when levels exceed the maximum threshold settings and lowers the master volume at a programmable
attack rate below the maximum threshold. When the input signal level falls below the maximum threshold,
the AOUT volume returns to its original level set in the Master Volume Control register at a programmable
release rate. Attack and release rates are affected by the DAC soft ramp/zero cross settings and sample
rate, Fs. Limiter soft ramp and zero cross dependency may be independently enabled/disabled.
Notes:
1.
Recommended settings: Best limiting performance may be realized with the fastest attack and
slowest release setting with soft ramp enabled in the control registers. The MIN bits allow the user to
set a threshold slightly below the maximum threshold for hysteresis control - this cushions the sound
as the limiter attacks and releases.
2.
The Limiter maintains the output signal between the CUSH and MAX thresholds. As the digital input
signal level changes, the level-controlled output may not always be the same but will always fall within
Referenced Control
Register Location
MSTxVOL[7:0].....................
PCMxVOL[6:0] ....................
OFFTIME[2:0] .....................
ONTIME[3:0] .......................
FREQ[3:0] ...........................
BEEP[1:0]............................
BEEPMIXDIS ......................
BPVOL[4:0] .........................
FREQ[3:0]
...
BPVOL[4:0]
ONTIME[3:0]
OFFTIME[2:0]
BEEP[1:0] =
'01'
BEEP[1:0] =
'10'
BEEP[1:0] =
'11'
SINGLE-BEEP: Beep turns on at a
configurable frequency (FREQ) and
volume (BPVOL) for the duration of
ONTIME. BEEP must be cleared
and set for additional beeps.
MULTI-BEEP: Beep turns on at a configurable frequency (FREQ)
and volume (BPVOL) for the duration of ONTIME and turns off for
the duration of OFFTIME. On and off cycles are repeated until
BEEP is cleared.
CONTINUOUS BEEP: Beep turns on at a configurable frequency (FREQ) and volume (BPVOL) and remains on
until BEEP is cleared.
Figure 6. Beep Configuration Options
相关PDF资料 |
PDF描述 |
|---|---|
| CS4461-CZZR | IC ADC PSR FEEDBACK 24-TSSOP |
| CS5340-CZZ | IC ADC AUD 101DB 200KHZ 16-TSSOP |
| CS5340-DZZR | IC ADC AUD 101DB 200KHZ 16-TSSOP |
| CS5341-DZZ | IC ADC AUD 105DB 200KHZ 16-TSSOP |
| CS5342-CZZ | IC ADC AUD 105DB 200KHZ 16-TSSOP |
相关代理商/技术参数 |
参数描述 |
|---|---|
| CS43L23-CWZR | 功能描述:IC DAC W/HDPN & SPKR AMPS 40-QFN 制造商:cirrus logic inc. 系列:* 零件状态:Not For New Designs 标准包装:6,000 |
| CS43L36-CNZ | 功能描述:IC-LOWPOWERHIGHPERFORMANCE HEADP 制造商:cirrus logic inc. 系列:* 零件状态:在售 标准包装:490 |
| CS43L41 | 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:Low Power 24-Bit, 96 kHz DAC with Volume Control |
| CS43L41-KZ | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CS43L42 | 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:Low Voltage,Stereo DAC With Headphone Amp |
发布紧急采购，3分钟左右您将得到回复。