參數(shù)資料
型號： P95020NQG
廠商： INTEGRATED DEVICE TECHNOLOGY INC
元件分類： 電源管理
英文描述： 2-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC132
封裝： 10 X 10 MM, 0.85 MM HEIGHT, QFN-132
文件頁數(shù)： 83/169頁
文件大小： 4297K
代理商： P95020NQG
IDTP95020
Product Datasheet
September 2, 2011 Revision 1.3 Final
20
2011 Integrated Device Technology, Inc.
Audio – Analog Performance Characteristics
Unless otherwise specified, typical values at TA = 25°C, VSYS = 5V, VCC_AUDIO33 = 3.3V, VDD_AUDIO18 = 1.8V,
AGND = DGND = 0V, 1 kHz input sine wave, Sample Frequency = 48 kHz, 0 dB = 1 VRMS into 10 k.
Table 13. Audio Module Analog Performance Characteristics
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
Full Scale Input Voltage:
All Analog Inputs except Mic (0 dB
gain)
1.0
Vrms
Differential Mic Inputs (+30dB gain)
30.0
mVrms
Differential Mic Inputs (0 dB gain)
1.0
Vrms
Full Scale Output Voltage:
Line Input to Line Output
1.0
Vrms
HP Output
Per channel / 16 ohm load
0.707
Vrms
PCM (DAC) to LINE_OUT
1.0
Vrms
Headphone output power
Per channel / 16 ohm load
45
50
55
mWpk
Analog Frequency Response
± 1 dB limits. The max frequency response is 40 kHz if the
sample rate is 96 kHz or more.
10
30,000
Hz
Digital S/N
The ratio of the rms output level with 1 kHz full scale input to the rms output level with all zeros into
the digital input. Measured “A weighted” over a 20 Hz to a 20 kHz bandwidth. (AES17-1991 Idle
Channel Noise or EIAJ CP-307 Signal-to-noise ratio) – At Line_Out pins.
D/A PCM (DAC) to LINE_OUT
95
dB
A/D LINE_IN to PCM
90
dB
Dynamic Range: -60dB signal level
Ratio of Full Scale signal to noise output with -60 dB signal,
measured “A weighted” over a 20 Hz to a 20 kHz bandwidth.
LINE_IN to LINE_OUT (direct)
98
dB
LINE_IN to LINE_OUT (mixer)
95
dB
LINE_IN to HP (direct)
90
dB
LINE_IN to HP (mixer)
90
dB
DAC to LINE_OUT
93
dB
LINE_IN to A/D
90
dB
Total Harmonic Distortion:
THD+N ratio as defined in AES17 and outlined in AES6id, non-weighted, at 1 kHz. Tested at -3 dB
FS or equivalent for analog only paths. 0 dB gain (
PCM data -3 dB FS, analog input set to
achieve -3 dB full scale port output level)
LINE_IN to LINE_OUT (direct)
90
dB
LINE_IN to LINE_OUT (mixer)
80
dB
DAC to LINE_OUT
85
dB
DAC to HP (10 K)
80
dB
DAC to HP (16 )
55
dB
LINE_IN to ADC
80
dB
AMIC to ADC
80
dB
D/A Frequency Response
± 0.25 dB limits. The D/A freq. response becomes 40 kHz
with sampling rates > 96 kHz. At ±3 dB the response range
is from 20-22,500 Hz at 48 kHz, or 20-20,000 Hz @
44.1 kHz or 20-45,000 Hz @ 96 kHz.
18
22,000
Hz
A/D Frequency Response
20
20,000
Hz
Transition Band
Transition band is 40-60% of sample rate.
19,200
28,800
Hz
Stop Band
Stop band begins at 60% of sample rate
28,800
Hz
Stop Band Rejection
85
dB
Out-of-Band Rejection
The integrated Out-of-Band noise generated by the DAC
process, during normal PCM audio playback, over a
bandwidth 28.8 to 100 kHz, with respect to a 1 Vrms DAC
output.
45
dB
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相關代理商/技術參數(shù)
參數(shù)描述
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