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參數(shù)資料
| 型號： | MAX3349EA |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | USB 2.0 Full-Speed Transceiver with UART Multiplexing Mode |
| 中文描述： | USB 2.0全速收發(fā)器，提供UART復(fù)用模式 |
| 文件頁數(shù)： | 2/17頁 |
| 文件大?。?/td> | 397K |
| 代理商： | MAX3349EA |
M
USB 2.0 Full-Speed Transceiver with UART
Multiplexing Mode
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
(All voltages referenced to GND, unless otherwise noted.)
V
UART
, V
L
, V
BUS
, D+, D- ..........................................-0.3V to +6V
V
TRM
.........................................................-0.3V to (V
BUS
+ 0.3V)
VP, VM, SUS, RX, TX, ENUM, RCV,
OE
, BD, -0.3V to (V
L
+ 0.3V)
Short Circuit Current (D+ and D-)...................................±150mA
Maximum Continuous Current (all other pins) .................±15mA
Continuous Power Dissipation (T
A
= +70°C)
16-Bump UCSP (derate 8.2mW/°C above +70°C) ....659.5mW
16-Pin 4mm x 4mm TQFN (derate 25.0mW/°C
above +70°C).............................................................2000mW
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature .....................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
Bump Temperature (soldering, reflow)............................+235°C
ELECTRICAL CHARACTERISTICS
(V
BUS
= +4.0V to +5.5V, V
UART
= +2.7V to +3.3V, V
L
= +1.40V to +2.75V, T
A
= -40°C to +85°C, unless otherwise noted. Typical val-
ues are at V
BUS
= +5V, V
L
= +1.8V, V
UART
= +2.75V (UART Mode), and T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SUPPLY INPUTS/OUTPUTS (V
BUS
, V
UART
, V
TRM
, V
L
)
V
BUS
Input Range
V
L
Input Range
V
UART
Input Range
Regulated Supply-Voltage Output
V
BUS
V
L
V
UART
V
TRM
USB mode
4.0
1.40
2.7
3.0
5.5
2.75
3.3
3.6
V
V
V
V
UART mode
Internal regulator, USB mode
Operating V
BUS
Supply Current
I
BUS
Full-speed transmitting/receiving at
12Mbps, C
L
= 50pF on D+ and D-
10
mA
Operating V
UART
Supply Current
I
VUART
UART transmitting/receiving at
921kbaud, C
L
= 200pF
UART mode
2.5
mA
Static V
UART
Supply Current
I
VUART(STATIC)
3.5
5
μA
Operating V
L
Supply Current
I
VL
Full-speed transmitting/receiving at
12Mbps, C
L
= 50pF on D+ and D-
6
mA
Full-speed idle,
V
D+
> +2.7V, V
D-
< +0.3V
SE0: V
D+
< +0.3V, V
D-
< +0.3V
Full-speed idle, SE0, suspend mode, or
static UART mode
290
400
Full-Speed Idle and SE0 Supply
Current
I
VBUS(IDLE)
340
450
μA
Static V
L
Supply Current
I
VL(STATIC)
2
10
μA
Sharing Mode V
L
Supply Current
USB Suspend V
BUS
Supply
Current
I
VL(OFF)
V
BUS
and V
UART
not present
VM, VP unconnected;
OE
= 1, SUS = 1
2
5
μA
I
VBUS(SUS)
38
65
μA
V
BUS
DETECTION (BD)
USB Power-Supply Detection
Threshold
V
L
= +1.8V
V
L
= +2.5V
V
L
= +1.8V
V
L
= +2.5V
1.8
2.3
2.7
3.2
80
100
3.4
4.0
V
TH_VBUS
USB Power-Supply Detection
Hysteresis
V
HYS_VBUS
mV
V
L
Power-Supply Detection
Threshold
V
TH_VL
0.7
V
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