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PDF XR33194 Data sheet ( Hoja de datos )
| Número de pieza | XR33194 | |
| Descripción | TSOT23 RS-485/RS-422 Transmitters | |
| Fabricantes | Exar | |
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XR33193/94/95
3.3V, 20Mbps, TSOT23 RS-485/RS-422
Transmitters with ±15kV ESD Protection
Description
The XR33193, XR33194, and XR33195 are a high performance
RS-485/RS-422 driver family offered in a tiny TSOT23 package
designed to meet the increasing system requirements found in today’s
performance serial communication applications. These standalone
drivers operate off a single 3.3V supply and meet RS-485 and RS-422
standards for balanced RS-485 and RS-422 serial communications
networks.
The driver family offers several speed options to maximize performance
in different applications. The XR33193 and XR33194 have slew limited
outputs for reduced EMI and for error free communication over long
or improper/unterminated data cables or multi-drop applications with
unterminated stubs. The XR33195 driver operates at data rates up to
20Mbps with tight skew and prop delay spec’s required by demanding
high speed applications. All parts in the XR33193/94/95 driver family
operate over the extended temperature range of -40°C to 125°C.
The XR33193/94/95 driver family is protected by short-circuit detection
as well as thermal shutdown and will maintain a high impedance state
in shutdown or when powered off. The driver family also includes hot
swap circuitry to protect against false transitions on the bus during
power-up or live insertion.
For companion standalone RS-485/RS-422 receivers in tiny TSOT23
packages see our XR33180/81/83/84 product datasheet.
Typical Application
3.3V
FEATURES
■■ Date rate options of 250kbps, 2.5Mbps
and 20Mbps
■■ Tiny 6-pin TSOT23 package
■■ 3.3V ±5% supply operation
■■ Robust ESD protection
±15kV Human Body Model (bus pins)
±4kV Human Body Model (all other
pins)
■■ Short-circuit protection
■■ Thermal protection circuitry
■■ Hot swap glitch protection
■■ Extended -40°C to 125°C operating
temperature range
■■ Low current shutdown mode (2uA max)
■■ Lead-free (RoHS compliant)
APPLICATIONS
■■ Clock distribution
■■ Robotic control
■■ Space constrained systems
■■ Security camera networks
■■ Industrial and process control equipment
Ordering Information – back page
3.3V
VCC
XR33193/94/95
DI D
DE
Y
Z
VCC
120Ω A
B
XR3318x
R
RO
GND GND
Figure 1. Typical Application
REV1A
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1 page  
Pin Configuration
XR33193/94/95
DI 1
VCC 2
DE 3
XR33193
XR33194
XR33195
6Y
5 GND
4Z
TSOT23-6, Top View
Pin Functions
Pin Number
XR33193 XR33194 XR33195
111
222
333
444
555
666
Pin Name
DI
VCC
DE
Z
GND
Y
Type Description
Input
Driver input. A low on DI forces the Y output low and the Z output high.
A high on DI forces the Y output high and the Z output low.
Supply
Input
Power supply (VCC = 3.3V ± 5%). Bypass with 0.1µF capacitor to ground.
Driver output enable. A high on DE enables the driver outputs (Y and
Z). A low on DE will disable the driver outputs (Y and Z), tri-stating the
outputs and putting the device into shutdown (low power) state.
The hot swap function is implemented on the DE pin, see Applications
Information section for a description of hot swap function.
Bus Output ±15kV ESD protected, RS-485/RS-422 inverting driver output.
Supply Ground.
Supply ±15kV ESD protected, RS-485/RS-422 non-inverting driver output.
REV1A
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5 Page 
Package Description
XR33193/94/95
TOP VIEW
DETAIL "A"
SIDE VIEW-1
SIDE VIEW - 2
TYPICAL RECOMMENDED LAND PATTERN
1. All dimensioins are in Millimeters
2. Dimensions and tolerance per Jedec MO-193
REV1A
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11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet XR33194.PDF ] | |
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| Número de pieza | Descripción | Fabricantes |
| XR33193 | TSOT23 RS-485/RS-422 Transmitters | Exar |
| XR33194 | TSOT23 RS-485/RS-422 Transmitters | Exar |
| XR33195 | TSOT23 RS-485/RS-422 Transmitters | Exar |
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