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WM9704CFT/V 数据表(PDF) 3 Page - Wolfson Microelectronics plc

部件名 WM9704CFT/V
功能描述  4-Channel Surround Sound Codec
PDF  35 Pages
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制造商  WOLFSON [Wolfson Microelectronics plc]
网页  http://www.wolfsonmicro.com
标志 WOLFSON - Wolfson Microelectronics plc

WM9704CFT/V 数据表(HTML) 3 Page - Wolfson Microelectronics plc

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Production Data
WM9704Q
WOLFSON MICROELECTRONICS LTD
PD Rev 2.3 January 2001
3
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Digital supply range
DVDD1, DVDD2
-10%
3.3 to 5.0
+10%
V
Analogue supply range
AVDD1, AVDD2
-10%
3.3 to 5.0
+10%
V
Digital ground
DVSS1, DVSS2
0
V
Analogue ground
AVSS1, AVSS2
0
V
Difference DVSS to AVSS
-0.3
0
+0.3
V
Analogue supply current
DVDD, AVDD = 5V
35
mA
Digital supply current
DVDD, AVDD = 5V
25
mA
Standby supply current (all PRs set)
DVDD, AVDD = 5V
10
µA
Analogue supply current
DVDD, AVDD = 3.3V
22
mA
Digital supply current
DVDD, AVDD = 3.3V
15
mA
Standby supply current (all PRs set)
DVDD, AVDD = 3.3V
6
µA
ELECTRICAL CHARACTERISTICS
Test Characteristics:
AVDD = 5V, GND = 0V …………..TA = 0
oC to +70oC, unless otherwise stated
DVDD = 3.3V, GND = 0V …………..TA = 0
oC to +70oC, unless otherwise stated
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Digital Logic Levels (DVDD = 3.3 or 5.0V)
Input LOW level
VIL
AVSS -0.3
0.8
V
Input HIGH level
VIH
2.2
AVDD +0.3
V
Output LOW
VOL
0.1 x DVSS
V
Output HIGH
VOH
0.9 x DVDD
V
Analogue I/O Levels (Input Signals on any inputs, Outputs on LINEOUT L, R and MONO)
Input level
Minimum input
impedance = 10k
AVSS
-100mV
AVDD
+100mV
V
Output level
Into 10kohm load
AVSS
+100mV
Near rail to
rail
AVDD
-100mV
V
Reference Levels
Reference input/output
CAP2
2/5 AVDD
AVDD/2
3/5 AVDD
V
CAP2 impedance
75
kohms
Mixer reference
VREF
Buffered
CAP2
V
MIC reference
VREFOUT
Buffered
CAP2
V
ADC reference
CAP1
Buffered
CAP2
V
DAC reference
AFILT1
Buffered
CAP2
V
MIDBUFF current sink (pins
CAP1, AFILT2, VREF and
VREFOUT)
AVDD = 5V
-5
-15
mA
MIDBUFF current source (pins
CAP1, AFILT1, VREF and
VREFOUT)
AVDD = 5V
5
15
mA
MIDBUFF current source (pins
CAP1, AFILT1, VREF and
VREFOUT)
AVDD = 3.3V
5
mA



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