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USB334X 数据表(PDF) 21 Page - Microchip Technology

部件名 USB334X
功能描述  Enhanced Single Supply Hi-Speed USB ULPI Transceiver
PDF  92 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

USB334X 数据表(HTML) 21 Page - Microchip Technology

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 2009-2018 Microchip Technology Inc.
DS00002646A-page 21
USB334x
4.8
ID Electrical Characteristics
4.9
USB Audio Switch Characteristics
4.10
USB Charger Detection Characteristics
TABLE 4-9:
ID ELECTRICAL CHARACTERISTICS
Parameter
Symbol
Conditions
MIN
TYP
MAX
Units
ID Ground Trip Point
VIdGnd
0.4
0.7
0.9
V
ID Float Trip Point
VIdFloat
1.6
2.2
2.5
V
ID pull-up resistance
RID
IdPullup = 1
80
100
120
kΩ
ID weak pull-up resistance
RIDW
IdPullup = 0
1
MΩ
ID pull-dn resistance
RIDPD
IdGndDrv = 1
1000
Ω
TABLE 4-10:
USB AUDIO SWITCH CHARACTERISTICS
Parameter
Symbol
Conditions
MIN
TYP
MAX
Units
Minimum “ON” Resistance
RON_Min
0 < Vswitch < VDD33
2.7
5
5.8
Ω
Maximum “ON” Resistance
RON_Max
0 < Vswitch < VDD33
4.5
7
13
Ω
Minimum “OFF”
Resistance
ROFF_Min
0 < Vswitch < VDD33
1MΩ
TABLE 4-11:
USB CHARGER DETECTION CHARACTERISTICS
Parameter
Symbol
Conditions
MIN
TYP
MAX
Units
Data Source Voltage
VDAT_SRC
IDAT_SRC < 250uA
0.5
0.7
V
Data Detect Voltage
VDAT_REF
0.25
0.4
V
Data Source Current
IDAT_SRC
250
uA
Data Sink Current
IDAT_SINK
50
150
uA
Data Connect Current
IDP_SRC
713
uA
Weak Pull-up Resistor
Impedance
RCD
Configured by bits 4 and 5
in USB IO & Power
Management register.
128
170
212
kΩ



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