Calyx S1A0071 User Manual
S1A0071 Audio Processor for Class-D Power AMP
Data Sheet
(Rev. 1.0)
for S1A0071
Audio Processor
for Class-D Power AMP
Digital & Analog Co., Ltd.
Digital & Analog Co., Ltd. (Rev. 1.0) -1-
S1A0071 Audio Processor for Class-D Power AMP
CONTENT
1. INTRODUCTION .................................................................................................... 3
2. BLOCK DIAGRAM................................................................................................. 4
3 ABSOLUTE MAXIMUM RATINGS.......................................................................... 4
4. PIN DESCRIPTION ................................................................................................ 5
5. ELECTRIC CHARATERISTICS ............................................................................. 7
6. TYPICAL PERFORMANCE ................................................................................... 8
7. TEST CIRCUIT..................................................................................................... 13
8. APPLICATION CIRCUIT ...................................................................................... 14
9. APPLICATION NOTE........................................................................................... 15
10. PACKAGE DIMENSIONS .................................................................................. 20
Digital & Analog Co., Ltd. (Rev. 1.0) -2-
S1A0071 Audio Processor for Class-D Power AMP
1. INTRODUCTION
The S1A0071 is an Audio processor for Class D-type audio amplifier, will help you to make more
easier the class D type audio amplifier and sound system. This is designed by the Cool Power
Processing (CPP
efficiency.
◎ OVERVIEW
○ Sound Processing : CPPTM (Cool Power Processing) Class-D Architecture
○ Audio Sound Processor : Voltage Amp, Current Amp, And Feed Back Amp
○ System Support Circuit : Protection, Mute, Digital Logic
○ High Speed Comparator, Logic Buffer include
◎ FEATURE
○ For Audio Power Amplifier
TM
) technology. The CPP have a characteristic of high fidelity and high power
○ Operating Voltage ( Driver Supply ) : ± 5.0V ~ ± 6.0V
○ External MOSFET Supply Voltage Range : ± 10V ~ ± 45V Usable
○ Wide Output Power Compatibility : 10W ~ 200W
○ High Fidelity : 10W @ 4Ω, 0.01% THD+N
5W @ 8Ω, 0.008% THD+N
○ High Efficiency : 83% @ 70W, 4Ω, THD+N < 10%,VCCP= ±25V
: 91% @ 40W, 8Ω, THD+N < 10%,VCCP= ±25V
○ Wide Bandwidth : 1 ~ 80KHz @ 8Ω
○ Dynamic Range : 105dB @ 100W Amp
○ Damping Factor : more than 300
○ Output Noise Voltage : 120μV @ AES17, A-weighted Filter, Input Grounded
○ Very Low Pop Noise When Power on/off
○ Mute Function Without Pop Noise
○ Enable to Set Output Soft Clipping Level
○ Enable to Set P-MOS & N-MOS On-Time Delay Independently
○ Protections: Internal Thermal Protection
Output Over Current Protection
Output Short Protection (Output to VCCP, Output to GND, Output to VSSP)
○ Protection Operating Monitor Output Pin: Direct LED Drive Enable
○ 48TSSOP Package
Digital & Analog Co., Ltd. (Rev. 1.0) -3-
S1A0071 Audio Processor for Class-D Power AMP
2. BLOCK DIAGRAM
3 ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Units
VCC, VSS
Tstg Storage Temperature –55 to 150
Topr Operating Temperature –25 to 75
Electro-Static Discharge Human Body Model, All pin 2000 V
Electric Over Stress All pin 16 V
Pd Power Dissipation 1000 mW
Digital & Analog Co., Ltd. (Rev. 1.0) -4-
Driver supply voltage
Machine Model, All pin 200 V
± 7.5
V
°C
°C
S1A0071 Audio Processor for Class-D Power AMP
4. PIN DESCRIPTION
NO. Name I/O Description
1 OPT I
2 OSCEN I Triangle wave generator enable input
3 SIO B Triangle wave I/O
4
5 VD O Logic power supply pin (internal generated)
6,7,8,9 CX_L B L-channel amp capacitor connected pin for Phase & gain
10 VO_L O L-channel pre-amp output pin for gain setting
11 VIN_L I L-channel pre-amp input pin
12 GND_A P L-channel sound ground
13 GND_A P R-channel sound ground
14 VIN_R I R-channel pre-amp input pin
15 VO_R O R-channel pre-amp output pin for gain setting
16,17,18,19 CX_R B R-channel amp capacitor connected pin for Phase & gain
20 PDCTR I P-MOS gate delay setting pin
21 NDCTR I N-MOS gate delay setting pin
22 VB O Regulated voltage output pin for internal current bias
23 VC I Triangle wave magnitude setting input
24 CDLY I Time delay capacitor pin for internal use
25 VSS P Negative power supply pin
26 VLN I Soft clipping low level input
27 CF2_R I R-channel current feed back input 2
28 CF1_R I R-channel current feed back input 1
29 VF_R I R-channel voltage feed back input
30 GND_CH P Control block ground
31 GND_A P Reference block ground
32 PDSENS I Power Down Detection
33 VPSE NS I The operating voltage detec tion pin of the exter na l
34 NO_R O R-channel N-MOS switching output (PWM)
35 PO_R O R-channel P-MOS switching output (PWM)
36 NS3 - NC (Test pin for evaluation)
37 NS2 - NC (Test pin for evaluation)
38 PO_L O L-channel P-MOS switching output (PWM)
39 NO_L O L-channel N-MOS switching output (PWM)
MUΤΕ
Active high. If it is h igh, PW M out put is ac tivat ed after power
ON Mute Time, T
I Mute control input. It is also used for external protection.
Active low. Low state is muted state.
MOSFET. When its function is not used, this pin must be
tied to VCC and about 0.1uF is connected to GND
. Otherwise (Default = HIGH)
M
Digital & Analog Co., Ltd. (Rev. 1.0) -5-
S1A0071 Audio Processor for Class-D Power AMP
PIN DESCRIPTION (CONTINUED)
NO. Name I/O Description
40 NS1 - NC (Test pin for evaluation)
41 NS0 - NC (Test pin for evaluation)
42
43
44 VF_L I L-channel voltage feed back input
45 CF2_L I L-channel current feed back input 2
46 CF1_L I L-channel current feed back input 1
47 VLP I Soft clipping high level input
48 VCC P Positive power supply pin
* I: Input, O: Output, B: Bi-directional, P: Power Supply, -: No Connection.
RESET
PMON
I Logic reset input
O Protection monitor output
Digital & Analog Co., Ltd. (Rev. 1.0) -6-
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