參數(shù)資料
型號: W99802G
廠商: WINBOND ELECTRONICS CORP
元件分類: 通信及網(wǎng)絡
英文描述: SPECIALTY TELECOM CIRCUIT, PBGA184
封裝: 10 X 10 MM, 1.60 MM HEIGHT, LEAD FREE, LFBGA-184
文件頁數(shù): 21/31頁
文件大?。?/td> 371K
代理商: W99802G
W99802G
- 28 -
5.4 Audio Interface (ADC) Characteristics
5.4.1
Recommend Operation Conditions
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
Digital Supply Range
ADO_DVDD
1.1
1.2
1.3
V
Analog Supply Range
AVDD
2.5
3.0
3.6
V
Ground
DVSS, AVSS
0
V
Temperature
TA
-20
85
oC
5.4.2
Electrical Characteristics
Conditions: DVDD = 1.2V, AVDD = 2.7V, TA = 30
o C, 1KHz Signal, fs = 48 KHz, 16-bit audio data.
PARAMETER
SYM.
TEST
CONDITION
MIN.
TYP.
MAX.
UNIT
ADC : Analog Input (MIC_IN)
Full Scale Input Signal Level
(for ADC 0dB Input at 0dB Gain)
VINFS
AVDD = 2.5V
0.707
Vrms
Input Resistance
11.2
44.8
Kohm.
Input Capacitance
10
pf
Signal to Noise Ratio
SNR
70
dB
Dynamic Range
90
95
dB
Total Harmonic Distortion
THD
70
dB
Analog Reference Level
Reference Voltage
VREFC
-3%
1.2
+3%
V
Microphone Bias
Bias Voltage
VMICBIAS
3mA load
current
-5%
0.9*
AVDD
+5%
V
Bias Current Source
IMICBIAS
3
mA
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