WM9704M 查看數據表（PDF） - Wolfson Microelectronics plc
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WM9704M Datasheet PDF : 37 Pages
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Production Data
WM9704M
RECOMMENDED OPERATING CONDITIONS
PARAMETER
Digital supply range
Analogue supply range
Digital ground
Analogue ground
Difference DVSS to AVSS
Analogue supply current
Digital supply current
Standby supply current (all PRs set)
Analogue supply current
Digital supply current
Standby supply current (all PRs set)
SYMBOL
DVDD1, DVDD2
AVDD1, AVDD2
DVSS1, DVSS2
AVSS1, AVSS2
TEST CONDITIONS
DVDD, AVDD = 5V
DVDD, AVDD = 5V
DVDD, AVDD = 5V
DVDD, AVDD = 3.3V
DVDD, AVDD = 3.3V
DVDD, AVDD = 3.3V
MIN
-10%
-10%
-0.3
TYP
3.3 to 5.0
3.3 to 5.0
0
0
0
35
25
10
22
15
6
MAX
+10%
+10%
+0.3
UNIT
V
V
V
V
V
mA
mA
µA
mA
mA
µA
ELECTRICAL CHARACTERISTICS
Test Characteristics:
AVDD = 5V, GND = 0V …………..TA = 0oC to +70oC, unless otherwise stated
DVDD = 3.3V, GND = 0V …………..TA = 0oC to +70oC, unless otherwise stated
PARAMETER
SYMBOL TEST CONDITIONS
MIN
TYP
Digital Logic Levels (DVDD = 3.3 or 5.0V)
Input LOW level
VIL
AVSS -0.3
Input HIGH level
VIH
2.0
Output LOW
VOL
IOL = 2mA
Output HIGH
VOH
IOH = 2mA
0.9 x DVDD
Analogue I/O Levels (Input signals on any inputs, Outputs on LINEOUT L, R and MONO)
Input level
Output level
Minimum input
impedance = 10k
Into 10kohm load
AVSS
-100mV
AVSS
+100mV
Near rail to
rail
Reference Levels
Reference input/output
CAP2
2/5 AVDD AVDD/2
CAP2 impedance
75
Mixer reference
MIC reference
ADC reference
DAC reference
MIDBUFF current sink
(pins CAP1, AFILT2, VREF
and VREFOUT)
VREF
VREFOUT
CAP1
AFILT1
AVDD = 5V
Buffered
CAP2
Buffered
CAP2
Buffered
CAP2
Buffered
CAP2
-5
-15
MIDBUFF current source
(pins CAP1, AFILT1, VREF
and VREFOUT)
AVDD = 5V
5
15
MIDBUFF current source
(pins CAP1, AFILT1, VREF
and VREFOUT)
AVDD = 3.3V
5
MAX
0.8
AVDD +0.3
0.1 x DVSS
AVDD
+100mV
AVDD
-100mV
3/5 AVDD
UNIT
V
V
V
V
V
V
V
kohms
V
V
V
V
mA
mA
mA
WOLFSON MICROELECTRONICS LTD
PD Rev 3.2 January 2001
3
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