WM8148 Просмотр технического описания (PDF) - Wolfson Microelectronics plc
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WM8148 Datasheet PDF : 43 Pages
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WM8148
Production Data
TEST CONDITIONS
AVDD = 4.75 to 5.25V, DVDD1 and DVDD2 = 2.97 to 5.25V, AGND = DGND = 0V, TA = 0 to 70°C, MCLK = 48MHz unless
otherwise stated (AVDD denotes the voltage applied to all AVDD pins).
PARAMETER
SYMBOL
TEST
MIN
CONDITIONS
TYP
MAX
UNIT
DIGITAL SPECIFICATIONS
Digital Inputs
High level input voltage
Low level input voltage
High level input current
Low level input current
Input capacitance
Digital Outputs
High level output voltage
Low level output voltage
High impedance output current
Output rise/fall time
Digital IO Pins
Applied high level input voltage
Applied low level input voltage
High level output voltage
Low level output voltage
Low level input current
High level input current
High impedance output current
Output rise/fall time
Input capacitance
SUPPLY CURRENTS
Total supply current – active
Total analogue supply current – active
Total digital supply current – active
Supply current – disabled
VIH
0.8 ∗ DVDD1
V
VIL
0.2 ∗ DVDD1
V
IIH
1
µA
IIL
1
µA
CI
5
pF
VOH
IOH = 1mA, DVDD = DVDD - 0.5
DVDD1 or DVDD2
VOL
IOL = 1mA
IOZ
CLOAD = 10pF
3
V
0.5
V
1
µA
ns
VIH
0.8 ∗ DVDD2
V
VIL
0.2 ∗ DVDD2
V
VOH
IOH = 1mA
DVDD2 - 0.5
V
VOL
IOL = 1mA
0.5
V
IIL
1
µA
IIH
1
µA
IOZ
1
µA
CLOAD = 10pF
3
ns
CI
5
pF
IAVDD
IDVDD
75
100
mA
73
mA
2
mA
1
10
µA
WOLFSON MICROELECTRONICS LTD
PD Rev 4.0 April 1999
6
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