Cirrus-logic CS53L21 Manual de usuario descargar pdf (Pagina 10)

10 DS700PP1

CS53L21

+1.8V or +2.5V

0.1 µF

1 µF

DGND

0.1 µF

+1.8V, 2.5 V

or +3.3V

I²S/LJ

MCLKDIV2

RESET

LRCK

AGND

MCLK

SCLK

* Capacitors must be C0G or equivalent

150 pF

AFILTA

AFILTB

150 pF

SDOUT/

M/S

CS53L21

1 µF

+1.8V or +2.5V

AIN1A

Left Analog Input 1

1800 pF

100 kΩ

100 Ω

AIN1B

Right Analog Input 1

Digital Audio

Processor

0.1 µF

10 µF

FILT+

1 µF

VL or DGND (1)

See Note 4

Note 4:

Series resistance in the path of the power supplies

(typically used for added filtering) must be avoided.

(1) Pull-up to VL (47 kΩ≤for Master Mode.

Pull-down to DGND for Slave Mode.

TSTN

47 kΩ

VA_

PULLUP

Figure 2. Typical Connection Diagram (Hardware Mode)

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 65 66

FEATURES 1
SYSTEM FEATURES 1
™ Control) 1
APPLICATIONS 2
GENERAL DESCRIPTION 2
TABLE OF CONTENTS 3
LIST OF FIGURES 4
LIST OF TABLES 5
6 DS700PP1 6
6
Pin Name # Pin Description 6
DS700PP1 7 7
DS700PP1 9 9
10 DS700PP1 10
ABSOLUTE MAXIMUM RATINGS 11
SDOUT Code with HPF On 12
Repeated 16
= 100 μA) 18
(Note 14) 18
= -100 μA) 18
POWER CONSUMPTION 19
4. APPLICATIONS 20
4.2 Hardware Mode 21
Software 22
Controls: 22
4.3.3 Digital Routing 23
4.3.4 Differential Inputs 23
24 DS700PP1 24
4.3.6 MIC & PGA Gain 25
ADCx_ATT[7:0] and 26
PGAx_VOL[4:0] volume 26
ALCx is enabled 26
4.3.8 Noise Gate 27
4.4 Signal Processing Engine 28
4.4.1 Volume Controls 28
4.4.2 Mono Channel Mixer 28
4.5 Serial Port Clocking 29
4.5.1 Slave 30
4.5.2 Master 30
4.6 Digital Interface Formats 31
4.7 Initialization 32
4.10 Software Mode 34
4.10.1 SPI Control 34
4.10.2 I²C Control 34
4 5 6 7 24 25 35
4.10.3.1 Map Increment (INCR) 36
5. REGISTER QUICK REFERENCE 37
38 DS700PP1 38
DS700PP1 39 39
6. REGISTER DESCRIPTION 40
76543210 41
Reserved M/S 43
6.5 MIC Control (Address 05h) 44
6.6 ADC Control (Address 06h) 45
AINx_MUX[1:0] 47
PDN_PGAx 47
6.8 SPE Control (Address 09h) 48
7. ANALOG PERFORMANCE PLOTS 56
8.1 Auto Detect Enabled 57
8.2 Auto Detect Disabled 58
9. PCB LAYOUT CONSIDERATIONS 59
10.DIGITAL FILTERS 60
11.PARAMETER DEFINITIONS 61
12.PACKAGE DIMENSIONS 62
THERMAL CHARACTERISTICS 62
13.ORDERING INFORMATION 63
14.REFERENCES 63
15.REVISION HISTORY 64
DS700PP1 65 65
66 DS700PP1 66

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Cirrus-logic CS53L21 Manual de usuario Pagina 10

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