LTM2882H 데이터 시트보기 (PDF) - Analog Devices
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LTM2882H Datasheet PDF : 22 Pages
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LTM2882
TYPICAL APPLICATIONS
3.3V (LTM2882-3)
5V (LTM2882-5)
µC
TXD
RXD
PY
PZ
VL VCC
ON
DIN
T1IN
R2OUT
T2IN
R2OUT
GND
LTM2882
VCC2
DE
DOUT
T1OUT
R1IN
T2OUT
R2IN
GND2
PERIPHERAL
RX
TX
RTS
CTS
2882 F14
Figure 14. Isolated RS232 Interface with Handshaking
1.62V TO 5.5V
OFF ON
VL
0V
VL
0V
3.3V (LTM2882-3)
5V (LTM2882-5)
VL VCC
ON
DIN
T1IN
R1OUT
T2IN
R2OUT
GND
LTM2882
DE
DOUT
T1OUT
R1IN
T2OUT
R2IN
GND2
2882 F15
3V TO 25V
3V TO 25V
–25V TO 0V
–25V TO 0V
Figure 15. Isolated Dual Inverting Level Translator
3.3V (LTM2882-3)
5V (LTM2882-5)
RESET
PWMA
PWMB
FAULT
VL VCC
ON
DIN
T1IN
R1OUT
T2IN
R2OUT
GND
LTM2882
VCC2
DE
DOUT
T1OUT
R1IN
T2OUT
R2IN
GND2
470pF
1k
+VS
LOGIC
LEVEL
FETS
IRLML6402
IRLML2402
CMPT2369-LTV
1k
3k 3k
47pF RILIM = 0.6/MAX CURRENT
2882 F16
Figure 16. Isolated Gate Drive with Overcurrent Detection
RELATED PARTS
PART NUMBER
LTM2881
LTC2870/LTC2871
LTC2804
LTC1535
LTM2883
LTM2892
DESCRIPTION
Isolated RS485/RS422 µModule Transceiver with
Low EMI Integrated DC/DC Converter
RS232/RS485 Multiprotocol Transceivers with
Integrated Termination
1Mbps RS232 Transceiver
Isolated RS485 Transceiver
SPI/Digital or I2C Isolated µModule with Adjustable
5V and 12V Rails
SPI/Digital or I2C Isolated µModule
COMMENTS
20Mbps, ±15kV HBM ESD, 2500VRMS Isolation with 1W Power
20Mbps RS485 and 500kbps RS232, ±26kV ESD, 3V to 5V Operation
Dual Channel, Full-Duplex, ±10kV HBM ESD
2500 VRMS Isolation with External Transformer Driver
2500 VRMS Isolation with Power in BGA Package
3500 VRMS Isolation, 6 Channels
22
For more information www.linear.com/LTM2882
2882fh
LT 0218 REV H • PRINTED IN USA
www.linear.com/LTM2882
ANALOG DEVICES, INC. 2010
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