參數(shù)資料
型號: CS43L22-CNZ
廠商: Cirrus Logic Inc
文件頁數(shù): 66/66頁
文件大?。?/td> 0K
描述: IC DAC W/HDPN & SPKR AMPS 40QFN
標準包裝: 50
位數(shù): 24
數(shù)據(jù)接口: 串行
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 40-VFQFN 裸露焊盤
供應商設備封裝: 40-QFN(6x6)
包裝: 托盤
輸出數(shù)目和類型: 2 電壓,單極
采樣率(每秒): 96k
產(chǎn)品目錄頁面: 756 (CN2011-ZH PDF)
配用: 598-1529-ND - BOARD EVAL FOR CS43L22
其它名稱: 598-1650
DS792F2
9
CS43L22
Confidential Draft
3/4/10
2. TYPICAL CONNECTION DIAGRAM
Note 3
Note 2
Note 1
1 F
+1.8 V to +2.5 V
0.1 F
1 F
DGND
VL
0.1 F
+1.8 V to +3.3 V
SCL
SDA
RESET
2 k
Ω
LRCK
Digital Audio
Processor
MCLK
SCLK
VD
SDIN
CS43L22
2 k
Ω
+1.8 V to +2.5 V
HP/LINE_OUTB
HP/LINE_OUTA
AIN1A
Left 1
100 k
Ω
100
Ω
AIN1B
Right 1
0.1 F
VA
Headphone Out
Left & Right
Line Level Out
Left & Right
FLYP
FLYN
-VHPFILT
51.1
Ω
0.022 F
100 k
Ω
100
Ω
SPKR_OUTA+
SPKR_OUTA-
SPKR/HP
51.1
Ω
0.022 F
1 F
0.1 F
+VHP
1 F
VQ
AGND
* Capacitors must be C0G or equivalent
1 F
**
See Note 4
SPKR_OUTB+
SPKR_OUTB-
1 F
VP
+1.6 V to
+5 V
Stereo Speakers
AIN2A
Left 2
100 k
Ω
100
Ω
AIN2B
Right 2
100 k
Ω
100
Ω
1 F
0.1 F
Analog
Input 1
Analog
Input 2
10 F
47 k
Ω
Notes:
1. Recommended values for the default charge pump switching
frequency. The required capacitance follows an inverse
relationship with the charge pump’s switching frequency. When
increasing the switching frequency, the capacitance may
decrease; when lowering the switching frequency, the
capacitance must increase.
2. Larger capacitance reduces the ripple on the internal
amplifier’s supply. This may reduce the distortion at higher
output power levels.
3. Additional bulk capacitance may be added to improve PSRR
at low frequencies.
4. Series resistance in the path of the power supplies must be
avoided. Any voltage drop on VHP will directly impact the
negative charge pump supply (-VHPFILT) and clip the audio
output.
AIN3A
Left 3
100 k
Ω
100
Ω
AIN3B
Right 3
100 k
Ω
100
Ω
1 F
Analog
Input 3
AIN4A
Left 4
100 k
Ω
100
Ω
AIN4B
Right 4
100 k
Ω
100
Ω
1 F
Analog
Input 4
FILT+
10 F
150 pF
AFILTA
AFILTB
** Low ESR, X7R/X5R dielectric capacitors.
**
*
TSTO
AD0
Figure 1. Typical Connection Diagram
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