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Número de pieza STAC9202
Descripción 2-CHANNEL HIGH DEFINITION AUDIO CODEC
Fabricantes IDT　
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2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH
DATA SHEET
STAC9202
DESCRIPTION
The STAC9202 is a high fidelity, 2-channel audio CODEC compli-
ant with the High Definition Audio (HD Audio) specification defined
by Intel. The STAC9202 implements direct interface to two digital
microphones supporting advanced beam forming applications
resulting in increased quality of applications requiring voice input.
FEATURES
• High-integration HD Audio Product
• 2-channel PC Audio CODEC
• Dual Digital Microphone interface
• Two-Channel DACs and ADCs with 24-bit sample
resolution
• High performance Σ∆ technology
• Sample rates up to 192 Hz
• 100dB DAC SNR
• Integrated Headphone Amps
• Stereo Analog Microphone
• Supports Stereo Microphone
• Microphone Boost 0, 10, 20, 30, 40dB
• Dual Digital Microphone Interface optimized for use
with Akustica Digital Microphones
• S/PDIF In and Out
• Universal Jacks™ Functionality for jack retasking
• Adjustable VREF Out
• Digital PC Beep to all outputs
• +3.3 V, +4 V and +5 V analog power supply options
• 48-pin LQFP Environmental Package
DESCRIPTION
The STAC9202 is a high fidelity, 2-channel, audio CODEC
compliant with the High Definition Audio (HD Audio) specifi-
cation defined by Intel. The STAC9202 provides high qual-
ity, HD Audio capability to notebook and cost sensitive
desktop PC applications.
The STAC9202 incorporates IDT's proprietary Σ∆ technol-
ogy to achieve a DAC SNR of 100 dB. The higher perfor-
mance and quality of IDT’s audio solutions brings
consumer electronics level performance to the notebook,
desktop and media center PC.
The STAC9202 provides stereo, 24-bit, full duplex resolu-
tion supporting sample rates up to 192 KHz by the DAC
and ADC. The STAC9202 SPDIF In/Out support sample
rates of 96 KHz, 48 KHz and 44.1 KHz plus SPDIF_OUT
supports 88.2 KHz. Additional sample rates are supported
by the driver software.
The STAC9202 supports flexible configurations including
switchable Headphone Out and Universal Jacks™ func-
tionality for jack detection and re-tasking. The SPDIF inter-
face provides connectivity to Consumer Electronic
equipment like Dolby Digital decoders, powered speakers,
mini disk drives or to a home entertainment system. All
analog I/O pairs support LINE_IN, LINE_OUT and MIC.
IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH DUAL DIGITAL MICROPHONE INTERFACES 1
IDT CONFIDENTIAL
STAC9202
V 1.1 102606

1 page




STAC9202 pdf
STAC9202
2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH DUAL DIGITAL MICROPHONE INTERFACES
PC AUDIO
Table 95. SPDIFoutCnvtr Stream Command Response Format ................................................................... 56
Table 96. SPDIFoutCnvtr DigCtl Command Verb Format ............................................................................. 57
Table 97. SPDIFoutCnvtr DigCtl Command Response Format ..................................................................... 57
Table 98. DAC0Mux WCap Command Verb Format ..................................................................................... 57
Table 99. DAC0Mux WCap Command Response Format ............................................................................ 58
Table 100. DAC0Mux ConnLen Command Verb Format .............................................................................. 58
Table 101. DAC0Mux ConnLen Command Response Format ...................................................................... 59
Table 102. DAC0Mux ConnSel Command Verb Format ............................................................................... 59
Table 103. DAC0Mux ConnSel Command Response Format ...................................................................... 59
Table 104. DAC0Mux ConnLst Command Verb Format ............................................................................... 59
Table 105. DAC0Mux ConnLst Command Response Format ....................................................................... 59
Table 106. DAC0Mux LR Command Verb Format ........................................................................................ 60
Table 107. DAC0Mux LR Command Response Format ................................................................................ 60
Table 108. DigInPin WCap Command Verb Format ...................................................................................... 60
Table 109. DigInPin WCap Command Response Format ............................................................................. 61
Table 110. DigInPin Cap Command Verb Format ......................................................................................... 61
Table 111. DigInPin Cap Command Response Format ................................................................................ 62
Table 112. DigInPin PwrState Command Verb Format ................................................................................. 62
Table 113. DigInPin PwrState Command Response Format ........................................................................ 62
Table 114. DigInPin Ctl Command Verb Format ........................................................................................... 63
Table 115. DigInPin Ctl Command Response Format ................................................................................... 63
Table 116. DigInPin UnsolResp Command Verb Format .............................................................................. 63
Table 117. DigInPin UnsolResp Command Response Format ..................................................................... 64
Table 118. DigInPin Sense Command Verb Format ..................................................................................... 64
Table 119. DigInPin Sense Command Response Format ............................................................................. 64
Table 120. DigInPin EAPD Command Verb Format ...................................................................................... 65
Table 121. DigInPin EAPD Command Response Format ............................................................................. 65
Table 122. DigInPin Config Command Verb Format ..................................................................................... 65
Table 123. DigInPin Config Command Response Format ............................................................................. 66
Table 124. DigOutPin WCap Command Verb Format ................................................................................... 66
Table 125. DigOutPin WCap Command Response Format .......................................................................... 66
Table 126. DigOutPin Cap Command Verb Format ...................................................................................... 67
Table 127. DigOutPin Cap Command Response Format .............................................................................. 67
Table 128. DigOutPin ConnLen Command Verb Format .............................................................................. 68
Table 129. DigOutPin ConnLen Command Response Format ...................................................................... 68
Table 130. DigOutPin ConnSel Command Verb Format ............................................................................... 69
Table 131. DigOutPin ConnSel Command Response Format ...................................................................... 69
Table 132. DigOutPin ConnLst Command Verb Format ............................................................................... 69
Table 133. DigOutPin ConnLst Command Response Format ....................................................................... 69
Table 134. DigOutPin Ctl Command Verb Format ........................................................................................ 70
Table 135. DigOutPin Ctl Command Response Format ................................................................................ 70
Table 136. DigOutPin Config Command Verb Format .................................................................................. 70
Table 137. DigOutPin Config Command Response Format .......................................................................... 70
Table 138. ADC0VolMux VolRight Command Verb Format .......................................................................... 71
Table 139. ADC0VolMux VolRight Command Response Format ................................................................. 71
Table 140. ADC0VolMux VolLeft Command Verb Format ............................................................................ 72
Table 141. ADC0VolMux VolLeft Command Response Format .................................................................... 72
Table 142. ADC0VolMux WCap Command Verb Format .............................................................................. 72
Table 143. ADC0VolMux WCap Command Response Format ..................................................................... 72
Table 144. ADC0VolMux OutAmpCap Command Verb Format .................................................................... 73
Table 145. ADC0VolMux OutAmpCap Command Response Format ........................................................... 73
Table 146. ADC0VolMux ConnLen Command Verb Format ......................................................................... 74
Table 147. ADC0VolMux ConnLen Command Response Format ................................................................ 74
Table 148. ADC0VolMux ConnLst Command Verb Format .......................................................................... 74
Table 149. ADC0VolMux ConnLst Command Response Format .................................................................. 74
IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH DUAL DIGITAL MICROPHONE INTERFACES 5
IDT CONFIDENTIAL
STAC9202
V 1.1 102606

5 Page





STAC9202 arduino
STAC9202
2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH DUAL DIGITAL MICROPHONE INTERFACES
PC AUDIO
2. CHARACTERISTICS
2.1. Audio Fidelity
DAC SNR:
ADC SNR:
100dB
90dB
2.2. Electrical Specifications
2.2.1. Absolute Maximum Ratings
Stresses above the ratings listed below can cause permanent damage to the STAC9202. These ratings, which are
standard values for IDT commercially rated parts, are stress ratings only. Functional operation of the device at
these or any other conditions above those indicated in the operational sections of the specifications is not implied.
Exposure to absolute maximum rating conditions for extended periods can affect product reliability. Electrical
parameters are guaranteed only over the recommended operating temperature range.
Item
Analog maximum supply voltage
Digital maximum supply voltage
VREFOUT output current
Voltage on any pin relative to ground
Operating temperature
Storage temperature
Soldering temperature
Pin Maximum Rating
AVdd 6 Volts
DVdd 5.5 Volts
5 mA
Vss - 0.3 V to Vdd + 0.3 V
0oC to +70oC
-55 oC to +125 oC
260 oC for 10 seconds *
Soldering temperature information for all available packages
begins on page 132.
2.2.2. Recommended Operation Conditions
Parameter
Power Supply Voltage
Digital - 3.3 V
Analog - 3.3 V
(Note: The +4 V Analog voltage is supported by the
+5 V version of the STAC9202.)
Analog - 4 V
Analog - 5 V
Ambient Operating Temperature
Case Temperature
Tcase (48-LQFP)
Min.
3.135
3.135
3.8
4.75
0
Typ.
3.3
3.3
4
5
Max.
3.465
3.465
4.2
5.25
+70
+90
Units
V
V
V
V
°C
°C
IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH DUAL DIGITAL MICROPHONE INTERFACES 11
IDT CONFIDENTIAL
STAC9202
V 1.1 102606

11 Page







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