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MAX3341E Datasheet

  • MAX3341E

  • ±15kV ESD保護(hù)、USB電平收發(fā)器，帶有USB探測(cè)功能，UCSP封裝

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19-2321; Rev 1; 8/02
鹵15kV ESD-Protected USB Level Transceivers
in UCSP with USB Detect
General Description
The MAX3341E/MAX3342E USB transceivers convert
logic-level signals to USB signals, and USB signals to
logic-level signals. An internal 1.5k鈩?USB termination
resistor supports full-speed (12Mbps) USB operation.
The MAX3341E/MAX3342E provide built-in 鹵15kV ESD-
protection circuitry on the USB I/O pins, D+ and D-,
and V
CC
.
The MAX3341E/MAX3342E operate with logic supply
voltages as low as 1.8V, ensuring compatibility with
low-voltage ASICs. The suspend mode lowers supply
current to less than 50碌A(chǔ). A unique enumerate feature
allows changes in USB communication protocol while
power is applied. The MAX3341E/MAX3342E are fully
compliant with USB specification 1.1, and full-speed
operation under USB specification 2.0.
The MAX3341E/MAX3342E have a USB detect that mon-
itors the USB bus for insertion and signals this event. The
MAX3341E USB_DET threshold is between 3.7V (min)
and 4V (max), while the MAX3342E USB_DET threshold
is between 1V (min) and 2.8V (max).
The MAX3341E/MAX3342E are available in the miniature
4
鉁?/div>
4 UCSP鈩? as well as the small 16-pin TSSOP, and
are specified over the extended temperature range,
-40擄C to +85擄C.
o
o
o
o
o
o
o
o
o
o
o
o
o
o
Features
鹵15kV ESD Protection On D+ and D-
Comply with USB Standard 1.1 (Full Speed 2.0)
USB Skew Independent of Input Skew
Separate VP and VM Inputs/Outputs
V
L
Down to 1.8V Allows Connection with Low-
Voltage ASICs
Re-Enumerate with Power Applied
USB Detect Function
3.7V (min) to 4V (max)鈥擬AX3341E
1V (min) to 2.8V (max)鈥擬AX3342E
Allow Single-Ended or Differential Logic I/O
Internal Linear Regulator Allows Direct Powering
from the USB
Internal Termination Resistor for Full-Speed
Operation
Three-State Outputs
No Power-Supply Sequencing Required
Driver Active in Suspend Mode
Available in Miniature Chip-Scale Package
MAX3341E/MAX3342E
Ordering Information
PART
MAX3341EEUE
MAX3341EEBE-T*
MAX3342EEUE
MAX3342EEBE-T*
TEMP RANGE
-40擄C to +85擄C
-40擄C to +85擄C
-40擄C to +85擄C
-40擄C to +85擄C
PIN-PACKAGE
16 TSSOP
4 x 4 UCSP**
16 TSSOP
4 x 4 UCSP**
Applications
Cell Phones
PC Peripherals
Information Appliances
Data Cradles
PDAs
MP3 Players
Digital Cameras
UCSP is a trademark of Maxim Integrated Products, Inc.
Pin Configurations appear at end of data sheet.
*Future
product鈥攃ontact factory for availability.
**UCSP
reliability is integrally linked to the user鈥檚 assembly
methods, circuit board material, and environment. See the
UCSP Reliability Notice in the UCSP Reliability section of this
data sheet for more information.
Typical Operating Circuit
1碌F
SYSTEM
SUPPLY
VOLTAGE
0.1碌F
SYSTEM INTERFACE
V
L
RCV
MAX3341E/
MAX3342E
VPI
VMI
SUSPEND
OE
USB_DET
MODE
ENUMERATE
VPO
VMO
GND
V
CC
D+
V
BUS
23.7鈩?/div>
23.7鈩?/div>
D+
D-
GND
USB
INTERFACE
CONNECTOR
D-
VTRM
1碌F
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.

MAX3341E PDF文件相關(guān)型號(hào)

MAX3342E,MAX3345EEVKIT,MAX3346E

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