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PDF MAX3160 Data sheet ( Hoja de datos )
| Número de pieza | MAX3160 | |
| Descripción | +3.0V to +5.5V / 1A / RS-232/RS-485/422 Multiprotocol Transceivers | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MAX3160 (archivo pdf) en la parte inferior de esta página. Total 23 Páginas | ||
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EVALUATION KIT AVAILABLE
MAX3160/MAX3161/MAX3162
+3.0V to+5.5V, 1µA, RS-232/
RS-485/422 Multiprotocol Transceivers
General Description
The MAX3160/MAX3161/MAX3162 are programmable
+3V to +5.5V RS-232/RS-485/422 multiprotocol trans-
ceivers. The MAX3160/MAX3161 are pin programmable
as a 2TX/2RX RS-232 interface or a single RS-485/422
transceiver. The MAX3162 is configured as a 2TX/2RX
RS-232 interface and a single RS-485/422 transceiver
simultaneously.
All devices incorporate a proprietary low-dropout trans-
mitter output stage and an on-board dual charge pump
to allow RS-232 and RS-485/422 compliant perfor-
mance from a +3V to +5.5V supply. These devices also
feature pin-selectable transmitter slew rates for both
RS-232 and RS-485/422 modes. Slew-rate limiting mini-
mizes EMI and reduces reflections caused by improp-
erly terminated cables, allowing error-free data
transmission up to 250kbps. Disabling slew-rate limiting
allows these devices to transmit at data rates up to
10Mbps in RS-485/422 mode and up to 1Mbps in RS-
232 mode.
The MAX3160/MAX3162 offer a flow-through pinout that
facilitates board layout. The MAX3160/MAX3161/
MAX3162 are available in tiny SSOP packages and
operate from -40°C to +85°C.
Applications
Point-of-Sales Equipment
Industrial Controls
RS-232 to RS-485
Interface Converters
Peripherals
Networking
Ordering Information
PART
MAX3160CAP+
TEMP RANGE
0°C to +70°C
PIN-PACKAGE
20 SSOP
MAX3160EAP+
-40°C to +85°C 20 SSOP
MAX3161CAG+
0°C to +70°C 24 SSOP
MAX3161EAG+
MAX3162CAI+
-40°C to +85°C
0°C to +70°C
24 SSOP
28 SSOP
MAX3162EAI+
-40°C to +85°C 28 SSOP
+Denotes a lead(Pb)-free/RoHS-compliant package.
Benefits and Features
• Flexible Options for RS-232 and RS-422/485
Operation in One Package
• Simultaneous 2TX/2RX RS-232 and Half-Duplex
RS-485 Transceiver Operation (MAX3162)
• Pin-Programmable as Either 2TX/2RX RS-232 or
Half/Full RS-485 Transceiver (MAX3160,
MAX3161)
• Integrated Protection Increases Robustness
• Transmitters and Receivers Protected Against
Wiring Faults
• True Fail-Safe Receiver Prevents False Transition
on Receiver Input Short or Open
• Short-Circuit Protection Over the Entire Common-
Mode Voltage Range
• Thermal Protection from Excessive Power
Dissipation
• Slew Rate Limiting Minimizes EM and Reduces
Cable Reflections
• Integrated Charge-Pump Circuitry Saves Board
Space
• Eliminates the Need for a Bipolar ±12V Supply
• Enables Single-Supply Operation From +3V to
+5.5V Voltage Supply
• 1µA Shutdown Supply Current Saves Power
• Allows Up to 256 Transceivers on the Bus
Typical Operating Circuit
+3V TO +5.5V
1
VCC
RS485/RS232 11
TX DI/T1IN
Z(B)/T1OUT
13 16
RTS DE/T2IN
MAX3160
5
Y(A)/T2OUT
MAX3100
11
RX
15
RO/R2OUT
12 8
CTS R1OUT
6
A/R2IN
13
B/R1IN
10 7
14
GND FAST HDPLX SHDN
SPI 4 10 12 9
DB9
RJ45
Pin Configurations appear at end of data sheet.
Selector Guide appears at end of data sheet.
SHDN
µP
19-1722; Rev 3; 5/15
1 page  
MAX3160/MAX3161/MAX3162
+3.0V to+5.5V, 1µA, RS-232/
RS-485/422 Multiprotocol Transceivers
Electrical Characteristics (continued)
(VCC = +3V to +5.5V, C1–C4 = 0.1µF when tested at +3.3V ±10%; C1 = 0.047µF and C2, C3, C4 = 0.33µF when tested at +5V
±10%; TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Receiver Output Enable Time
tRZL, tRZH CL = 50pF, Figures 2, 8
100 ns
Receiver Output Disable Time
tRLZ, tRHZ CL = 50pF, Figures 2, 8
100 ns
RS-485/RS-422 TIMING CHARACTERISTICS (FAST = VCC, 10Mbps)
Driver Propagation Delay
tDPHL,
tDPLH
RDIFF = 54Ω, CL = 50pF, Figures 3, 5
60 120 ns
Driver Rise And Fall Times
Driver Propagation Delay Skew
Driver Output Enable Time
Driver Output Disable Time
Receiver Propagation Delay
Receiver Propagation Delay
Skew
Receiver Output Enable Time
Receiver Output Disable Time
tDR, tDF
tDSKEW
tDZL
tDLZ, tDHZ
tRPLH,
tRPHL
RDIFF = 54Ω, CL = 50pF, Figures 3, 5
RDIFF = 54Ω, CL = 50pF, Figures 3, 5
RDIFF = 54Ω, CL = 50pF, Figures 4, 6
RDIFF = 54Ω, CL = 50pF, Figures 4, 6
CL = 15pF, Figures 7, 9
tRSKEW CL = 50pF, Figures 7, 9
tRZL, tRZH CL = 50pF, Figures 2, 8
tRLZ, tRHZ CL = 15pF, Figures 2, 8
10 25
10
400 800
200 400
80 150
10
100
100
ns
ns
ns
ns
ns
ns
ns
ns
Note 2: Applies to A, B for MAX3162 and MAX3160/MAX3161 with HDPLX = GND, or Y, Z for MAX3160/MAX3161 with HDPLX = VCC.
Typical Operating Characteristics
(VCC = +3.3V, 250kbps data rate, 0.1µF capacitors, all RS-232 transmitters (RS-232 mode) loaded with 3kΩ to ground, TA = +25°C,
RS-232 TRANSMITTER OUTPUT VOLTAGE vs.
LOAD CAPACITANCE (FAST = GND)
10.0
7.5
5.0
2.5
0
-2.5
-5.0
-7.5
-10.0
0
1000 2000 3000 4000
LOAD CAPACITANCE (pF)
5000
RS-232 TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE (FAST = VCC)
10.0
7.5
5.0
2.5
0
-2.5
-5.0
-7.5
-10.0
0
500 1000 1500
LOAD CAPACITANCE (pF)
2000
RS-232 TRANSMITTER SLEW RATE vs.
LOAD CAPACITANCE (FAST = GND)
18
16
14
12
10
8
6
4
2
0
0 1000 2000 3000 4000 5000
LOAD CAPACITANCE (pF)
www.maximintegrated.com
Maxim Integrated | 5
5 Page 
MAX3160/MAX3161/MAX3162
+3.0V to+5.5V, 1µA, RS-232/
RS-485/422 Multiprotocol Transceivers
Functional Diagrams (continued)
MAX3161
VCC
C1
1 C1+
2 VCC
3 C1-
CBYPASS
4 GND
RS-232
OUTPUT
5
6
RS-232 MODE
CHARGE
PUMP
T1
V+ 24
C2+ 23
C2- 22
C3
C2
V- 21
20
19
C4
LOGIC
INPUTS
7
RS-232
OUTPUT
8
LOGIC
OUTPUTS
9
10
T2
R1
R2
18
RS-232
INPUTS
17
16
15
11 SHDN
HDPLX 14
12 FAST
RS485/RS232 13
VCC
C1
1 C1+
2 VCC
3 C1-
CBYPASS
4 GND
5
RS-485
OUTPUTS
6
7
Z
Y
8
RS-485 MODE
CHARGE
PUMP
V+ 24
C2+ 23
C2- 22
C3
C2
V- 21
C4
20
LOGIC
INPUTS
19
D
18
DE
17
9
LOGIC
OUTPUT
10
R0
R
11 SHDN
B 16
RS-485
A
INPUTS
15
HALF/FULL
14 DUPLEX
12 FAST
RS485/RS232 13
www.maximintegrated.com
Maxim Integrated | 11
11 Page | ||
| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet MAX3160.PDF ] | |
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