參數(shù)資料
型號(hào): WM9712LEFL
廠商: Wolfson Microelectronics
元件分類: Codec
英文描述: AC97 Audio and Touchpanel CODEC
中文描述: AC97音頻編解碼器和觸摸屏
文件頁數(shù): 8/78頁
文件大?。?/td> 689K
代理商: WM9712LEFL
WM9712L
AUDIO INPUTS
Production Data
w
PD Rev 4.0 December 2003
8
Test Conditions
DBVDD=3.3V, DCVDD = 3.3V, AVDD = 3.3V, T
A
= +25
o
C, 1kHz signal, fs = 48kHz, 18-bit audio data unless otherwise stated.
PARAMETER
SYMBOL
TEST CONDITIONS
LINEINL/R, MICL/R and PHONE pins
AVDD = 3.3V
AVDD = 1.8V
(for ADC 0dB Input at 0dB Gain)
differential input mode
(MS = 01)
0dB PGA gain
Input Resistance
R
IN
12dB PGA gain
Input Capacitance
Line input to ADC (LINEINL, LINEINR, PHONE)
Signal to Noise Ratio
(A-weighted)
Total Harmonic Distortion
THD
-6dBFs
Power Supply Rejection
PSRR
20Hz to 20kHz
Microphone input to ADC (MIC1/2 pins)
Signal to Noise Ratio
(A-weighted)
Total Harmonic Distortion
THD
20dB boost enabled
Power Supply Rejection Ratio
PSRR
Common Mode Rejection Ratio
CMRR
Differential mic mode
MIN
TYP
MAX
UNIT
1.0
0.545
Full Scale Input Signal Level
V
INFS
half of the value listed above
V rms
34
16
5
10
22
k
pF
SNR
85
92
dB
-87
50
-80
dB
dB
SNR
20dB boost enabled
80
dB
-80
50
TBD
dB
dB
dB
AUXILIARY MONO DAC (AUXDAC)
Test Conditions
AVDD = 3.3V, T
A
= +25
o
C, unless otherwise stated.
PARAMETER
Resolution
Full scale output voltage
Signal to Noise Ratio
(A-weighted)
Total Harmonic Distortion
SYMBOL
SNR
TEST CONDITIONS
AVDD=3.3V
MIN
65
TYP
12
1
70
MAX
UNIT
bits
Vrms
dB
THD
-62
-50
dB
相關(guān)PDF資料
PDF描述
WM9712LEFT AC97 Audio and Touchpanel CODEC
WM9712LEFV AC97 Audio and Touchpanel CODEC
WM9712LSEFL AC97 Audio and Touchpanel CODEC
WM9712LSEFT AC97 Audio and Touchpanel CODEC
WM9712LSEFV AC97 Audio and Touchpanel CODEC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
WM9712LEFL/RV 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC
WM9712LEFL/V 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC
WM9712LEFT 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC
WM9712LEFT/RV 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC
WM9712LEFV 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:AC97 Audio and Touchpanel CODEC