LTC2801IDE#PBF Linear Technology, LTC2801IDE#PBF Datasheet - Page 12

• Manufacturer Part Number: LTC2801IDE#PBF
• Description: IC TXRX RS232 12-DFN
• Manufacturer: Linear Technology
• Type: Transceiverr

Specifications of LTC2801IDE#PBF

• Number Of Drivers/receivers: 1/1
• Protocol: RS232
• Voltage - Supply: 1.8 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 12-DFN
• Data Rate: 250Kbps
• Interface Circuit Standard 1: EIA/TIA-232-F/RS-232
• Number Of Receivers: 1
• Number Of Transmitters: 1
• Number Of Transceivers: 1
• Data Transmission Topology: Point-to-Point
• Receiver Signal Type: Single-Ended
• Transmitter Signal Type: Single-Ended
• Single Supply Voltage (typ): 2.5/3.3/5V
• Single Supply Voltage (min): 1.8V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Supply Current: 0.01mA
• Power Supply Requirement: Single
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 12
• Package Type: DFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LTC2801/LTC2802/
LTC2803/LTC2804
tyPical aPPlicationS

Figure 12. 1.8V Microprocessor Interface
1.8V
µP
Figure 15. Half-Duplex on Single Line,
Separate ROUT, TIN
R T
1.8V TO 5.5V
Figure 10. Power-Saving Receivers-Active Mode
10
11
12
5V
3
8
9
10
11
12
3
8
9
V
V
PS
MODE
TIN
ROUT
CC
L
RA ON
V
V
PS
MODE
TIN
ROUT
CC
L
1.8V TO 5.5V
LTC2802
GND
LTC2801
GND
12
11
10
13
14
15
16
6
5
6
V
V
MODE
PS
T2IN
T1IN
R2OUT
R1OUT
CC
L
TOUT
2801 F15
RIN
TOUT
2801 F12
RIN
LTC2803
2
1
GND
2
1
8
T2OUT
T1OUT
R2IN
R1IN
2801 F10
4
3
2
1
Figure 13. 5V Microprocessor Interface
Figure 16. Half-Duplex on Single Line
R T
1.8V TO 5.5V
3.3k
µP
5V
10
11
12
3V
3
8
9
V
V
PS
MODE
TIN
ROUT
10
11
12
CC
L
3
8
9
V
V
PS
MODE
TIN
ROUT
CC
L
LTC2802
GND
CELL PHONE
LTC2802
6
GND
V
6
BATT
RTS
CTS
1.8V TO 5.5V
RD
TD
TOUT
2801 F16
RIN
Figure 11. Cellphone Peripheral Interface
TOUT
2801 F13
RIN
2
1
2
1
12
10
11
13
14
15
16
5
V
V
PS
MODE
T2IN
T1IN
R2OUT
R1OUT
CC
L
Figure 14. Power-Saving Shutdown Mode
Figure 17. Half-Duplex Dual Transceiver
OFF ON
LTC2804
R T
1.8V TO 5.5V
GND
1.8V TO 5.5V
3.3k
3.3k
8
12
10
11
13
15
14
16
5
T2OUT
T1OUT
12
11
13
14
15
16
R2IN
R1IN
5
V
V
PS
MODE
T2IN
R2OUT
T1IN
R1OUT
CC
L
V
V
ON/OFF
T2IN
T1IN
R2OUT
R1OUT
CC
L
4
3
2
1
LTC2803
LTC2804-1
GND
GND
8
PERIPHERAL
RTS
TD
CTS
RD
8
T2OUT
T1OUT
R2IN
R1IN
T2OUT
T1OUT
2801 F17
2801 F11
R2IN
R1IN
2801 F14
4
2
3
1
2801234fe
4
3
2
1