參數(shù)資料
型號: MT92303
廠商: Mitel Networks Corporation
元件分類: Codec
英文描述: 3.3V Quad Interface, Dual Codec(3.3V 四接口雙編解碼器(提供音頻到PCM的接口))
中文描述: 3.3四種接口,雙編解碼器(3.3四接口雙編解碼器(提供音頻到的PCM的接口))
文件頁數(shù): 24/34頁
文件大?。?/td> 166K
代理商: MT92303
MT92303
Preliminary Information
24
AC/DC Electrical Characteristics
Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.
Typical figures are at 25
°
C and are for design aid only: not guaranteed and not subject to production testing.
Typical figures are at 25
°
C and are for design aid only: not guaranteed and not subject to production testing.
Absolute Maximum Ratings
Characteristics
Min
Max
Units
Comments
Storage Temperature
-55
+150
degC
Supply Voltage
-0.3
5.0
V
< 2 minutes
-0.3
3.6
V
Continuous
Pin voltage relative to VDD
+0.3
V
Pin voltage relative to GND or SUB
-0.3
V
Recommended Operating Conditions
Characteristics
Min
Max
Units
Comments
Ambient Temperature
-40
+85
°
C
Supply Voltage Vdd
3.0
3.6
V
General Characteristics
Characteristics
Min
Typ
Max
Units
Comments
Supply Current
13
23
mA
Operating. No output loads
10
uA
Powered down
Digital Inputs: lower threshold
0.8
V
Digital Inputs: upper threshold
2.0
V
Digital Outputs: lower level
0.4
V
Sinking 6mA
Digital Outputs: upper level
0.8*VDD
Sourcing 6mA
RX Path Characteristics
-
All parameters are measured differentially between the ‘EARP’ and ‘EARN’ pins. DSP gain is set to
0dB unless otherwise stated.
Characteristics
Min
Typ
Max
Units
Comments
Output level for 0dBm0
0.955
1.012
1.071
V rms
Analog gain set to 0dB
40.3
mV rms
Analog gain set to -28dB
Driver output power
66
mW rms
1kHz sinewave, <1% THD, 32 Ohm load
Speaker output power
(Audio Interface #0 only)
150
mW rms
1kHz sinewave, <1% THD, 16 Ohm load
Analog gains
-28 to +2
dB
16 gain values available
Analog gain error
-0.2
0
+0.2
dB
Analog gain -28dB to +2dB, 1kHz, 0dBm0
Analog gain step size
2
dB
Idle channel noise
-70
dBm0p
Measured at gain -28dB and +2dB
DC offset voltage
-50
+50
mV
Analog gain 0dB
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