MAX240 Maxim Integrated Products, MAX240 Datasheet

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MAX240

Manufacturer Part Number
MAX240
Description
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX240.pdf (36 pages)

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The MAX220–MAX249 family of line drivers/receivers is
intended for all EIA/TIA-232E and V.28/V.24 communica-
tions interfaces, particularly applications where ±12V is
not available.
These parts are especially useful in battery-powered sys-
tems, since their low-power shutdown mode reduces
power dissipation to less than 5µW. The MAX225,
MAX233, MAX235, and MAX245/MAX246/MAX247 use
no external components and are recommended for appli-
cations where printed circuit board space is critical.
________________________Applications
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
19-4323; Rev 15; 1/06
AutoShutdown and UCSP are trademarks of Maxim Integrated
Products, Inc.
Part
Number
MAX220
MAX222
MAX223 (MAX213) +5
MAX225
MAX230 (MAX200) +5
MAX231 (MAX201) +5 and
MAX232 (MAX202) +5
MAX232A
MAX233 (MAX203) +5
MAX233A
MAX234 (MAX204) +5
MAX235 (MAX205) +5
MAX236 (MAX206) +5
MAX237 (MAX207) +5
MAX238 (MAX208) +5
MAX239 (MAX209) +5 and
MAX240
MAX241 (MAX211) +5
MAX242
MAX243
MAX244
MAX245
MAX246
MAX247
MAX248
MAX249
Portable Computers
Low-Power Modems
Interface Translation
Battery-Powered RS-232 Systems
Multidrop RS-232 Networks
Power
Supply
(V)
+5
+5
+5
+7.5 to +13.2
+5
+5
+7.5 to +13.2
+5
+5
+5
+5
+5
+5
+5
+5
+5
________________________________________________________________ Maxim Integrated Products
General Description
No. of
RS-232
Drivers/Rx Ext. Caps (µF)
2/2
2/2
4/5
5/5
5/0
2/2
2/2
2/2
2/2
2/2
4/0
5/5
4/3
5/3
4/4
3/5
5/5
4/5
2/2
2/2
8/10
8/10
8/10
8/9
8/8
6/10
+5V-Powered, Multichannel RS-232
No. of
4
4
4
0
4
2
4
4
0
0
4
0
4
4
4
2
4
4
4
4
4
0
0
0
4
4
Nominal
Cap. Value & Three- Active in Data Rate
0.047/0.33
0.1
1.0 (0.1)
—
1.0 (0.1)
1.0 (0.1)
1.0 (0.1)
0.1
—
—
1.0 (0.1)
—
1.0 (0.1)
1.0 (0.1)
1.0 (0.1)
1.0 (0.1)
1.0
1.0 (0.1)
0.1
0.1
1.0
—
—
—
1.0
1.0
SHDN
State
No
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Yes
Yes
No
No
No
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Ordering Information continued at end of data sheet.
*Contact factory for dice specifications.
MAX220CPE
MAX220CSE
MAX220CWE
MAX220C/D
MAX220EPE
MAX220ESE
MAX220EWE
MAX220EJE
MAX220MJE
Rx
SHDN
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
For Low-Voltage, Integrated ESD Applications
For Low-Cost Applications
MAX3222E/MAX3232E/MAX3237E/MAX3241E/
MAX3246E: +3.0V to +5.5V, Low-Power, Up to
1Mbps, True RS-232 Transceivers Using Four
0.1µF External Capacitors (MAX3246E Available
in a UCSP™ Package)
MAX221E: ±15kV ESD-Protected, +5V, 1µA,
Single RS-232 Transceiver with AutoShutdown™
PART
(kbps)
120
200
120
120
120
120
120 (64)
200
120
200
120
120
120
120
120
120
120
120
200
200
120
120
120
120
120
120
Drivers/Receivers
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
Features
Ultra-low-power, industry-standard pinout
Low-power shutdown
MAX241 and receivers active in shutdown
Available in SO
5 drivers with shutdown
Standard +5/+12V or battery supplies;
same functions as MAX232
Industry standard
Higher slew rate, small caps
No external caps
No external caps, high slew rate
Replaces 1488
No external caps
Shutdown, three state
Complements IBM PC serial port
Replaces 1488 and 1489
Standard +5/+12V or battery supplies;
single-package solution for IBM PC serial port
DIP or flatpack package
Complete IBM PC serial port
Separate shutdown and enable
Open-line detection simplifies cabling
High slew rate
High slew rate, int. caps, two shutdown modes
High slew rate, int. caps, three shutdown modes
High slew rate, int. caps, nine operating modes
High slew rate, selective half-chip enables
Available in quad flatpack package
TEMP RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
Ordering Information
Next-Generation
Device Features
Selection Table
16 Plastic DIP
16 Narrow SO
16 Wide SO
16 Plastic DIP
16 Narrow SO
16 Wide SO
16 CERDIP
16 CERDIP
PIN-PACKAGE
Dice*
1

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MAX240 Summary of contents

Page 1

... MAX230 (MAX200) +5 5/0 MAX231 (MAX201) +5 and 2/2 +7.5 to +13.2 MAX232 (MAX202) +5 2/2 MAX232A +5 2/2 MAX233 (MAX203) +5 2/2 MAX233A +5 2/2 MAX234 (MAX204) +5 4/0 MAX235 (MAX205) +5 5/5 MAX236 (MAX206) +5 4/3 MAX237 (MAX207) +5 5/3 MAX238 (MAX208) +5 4/4 MAX239 (MAX209) +5 and 3/5 +7.5 to +13.2 MAX240 +5 5/5 MAX241 (MAX211) +5 4/5 MAX242 +5 2/2 MAX243 +5 2/2 MAX244 +5 8/10 MAX245 +5 8/10 MAX246 +5 8/10 MAX247 +5 8/9 MAX248 +5 8/8 MAX249 +5 6/10 ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’ ...

Page 2

Multichannel RS-232 Drivers/Receivers ABSOLUTE MAXIMUM RATINGS—MAX220/222/232A/233A/242/243 Supply Voltage (V ) ...............................................-0. (Note 1) ..................................................(V V- (Note 1) .............................................................+0.3V to +14V Input Voltages T ..............................................................-0. (Except MAX220) ........................................................±30V IN R (MAX220).....................................................................±25V IN ...

Page 3

Multichannel RS-232 ELECTRICAL CHARACTERISTICS—MAX220/222/232A/233A/242/243 (continued +5V ±10%, C1–C4 = 0.1µF‚ MAX220 0.047µF, C2–C4 = 0.33µ PARAMETER RS-232 Input Hysteresis RS-232 Input Resistance TTL/CMOS Output Voltage Low TTL/CMOS Output Voltage High TTL/CMOS Output Short-Circuit ...

Page 4

Multichannel RS-232 Drivers/Receivers ELECTRICAL CHARACTERISTICS—MAX220/222/232A/233A/242/243 (continued +5V ±10%, C1–C4 = 0.1µF‚ MAX220 0.047µF, C2–C4 = 0.33µ PARAMETER Receiver Propagation Delay RS-232 to TLL (Normal Operation), Figure 2 Receiver Propagation Delay RS-232 to TLL ...

Page 5

Multichannel RS-232 ABSOLUTE MAXIMUM RATINGS—MAX223/MAX230–MAX241 V ...........................................................................-0. ................................................................(V V- ............................................................................+0.3V to -14V Input Voltages T ............................................................-0. ......................................................................................±30V IN Output Voltages T ...................................................(V+ + 0.3V) to (V- - 0.3V) OUT R .........................................................-0.3V ...

Page 6

Multichannel RS-232 Drivers/Receivers ELECTRICAL CHARACTERISTICS—MAX223/MAX230–MAX241 (continued) (MAX223/230/232/234/236/237/238/240/241 ±10 7.5V to 13.2V PARAMETER T RS-232 Input Threshold Low V T RS-232 Input Threshold High V RS-232 Input Hysteresis V RS-232 Input ...

Page 7

Multichannel RS-232 __________________________________________Typical Operating Characteristics TRANSMITTER OUTPUT VOLTAGE ( 8.5 2 TRANSMITTERS LOADED 8.0 1 TRANSMITTER LOADED 3 TRANS- 7.5 MITTERS LOADED T = +25°C A 7.0 C1–C4 = 1μF TRANSMITTER LOADS = 4 ...

Page 8

Multichannel RS-232 Drivers/Receivers ABSOLUTE MAXIMUM RATINGS—MAX225/MAX244–MAX249 Supply Voltage (V ) ...............................................-0.3V to +6V CC Input Voltages ‚ ENA, ENB, ENR, ENT, ENRA ENRB, ENTA, ENTB..................................-0. .....................................................................................±25V IN T (Note 5).....................................................................±15V OUT R ........................................................-0.3V to ...

Page 9

Multichannel RS-232 ELECTRICAL CHARACTERISTICS—MAX225/MAX244–MAX249 (continued) (MAX225 5.0V ±5%; MAX244–MAX249 erwise noted.) PARAMETER POWER SUPPLY AND CONTROL LOGIC Operating Supply Voltage V Supply Current CC (Normal Operation) Shutdown Supply Current Control Input AC CHARACTERISTICS Transition Slew ...

Page 10

Multichannel RS-232 Drivers/Receivers __________________________________________Typical Operating Characteristics TRANSMITTER SLEW RATE vs. LOAD CAPACITANCE EXTERNAL POWER SUPPLY 1μF CAPACITORS 12 10 40kb/s DATA RATE 8 TRANSMITTERS 8 LOADED WITH 3kΩ ...

Page 11

Multichannel RS-232 +3V INPUT 0V OUTPUT t PLHT Figure 1. Transmitter Propagation-Delay Timing EN 1kΩ R OUT TEST CIRCUIT 150pF +3V EN INPUT 0V RECEIVER OUTPUTS b) ENABLE TIMING + ...

Page 12

Multichannel RS-232 Drivers/Receivers Table 1a. MAX245 Control Pin Configurations ENT ENR OPERATION STATUS 0 0 Normal Operation 0 1 Normal Operation 1 0 Shutdown 1 1 Shutdown Table 1b. MAX245 Control Pin Configurations OPERATION ENT ENR STATUS 0 0 ...

Page 13

Multichannel RS-232 Table 1d. MAX247/MAX248/MAX249 Control Pin Configurations OPERATION ENTA ENTB ENRA ENRB STATUS Normal Operation Normal Operation Normal Operation Normal Operation 0 ...

Page 14

... Connect unused inputs to GND or V The MAX239 has a receiver three-state control line, and the MAX223, MAX225, MAX235, MAX236, MAX240, and MAX241 have both a receiver three-state control line and a low-power shutdown control. Table 2 shows the effects of the shutdown control and receiver three- state control on the receiver outputs ...

Page 15

... Drivers/Receivers Shutdown—MAX222–MAX242 On the MAX222‚ MAX235‚ MAX236‚ MAX240‚ and MAX241‚ all receivers are disabled during shutdown. On the MAX223 and MAX242‚ two receivers continue to operate in a reduced power mode when the chip is in shutdown. Under these conditions‚ ...

Page 16

Multichannel RS-232 Drivers/Receivers Tables 1a–1d define the control states. The MAX244 has no control pins and is not included in these tables. The MAX246 has ten receivers and eight drivers with two control pins, each controlling one side of ...

Page 17

Multichannel RS-232 TOP VIEW C1 C1- 3 MAX220 C2+ 4 MAX232 C2- 5 MAX232A OUT DIP/SO CAPACITANCE (μF) DEVICE C1 C2 MAX220 0.047 0.33 MAX232 1.0 1.0 MAX232A 0.1 ...

Page 18

Multichannel RS-232 Drivers/Receivers TOP VIEW ENR 1 ENR MAX225 R OUT OUT OUT ...

Page 19

Multichannel RS-232 TOP VIEW T3 1 OUT T1 2 OUT T2 3 OUT OUT MAX223 MAX241 OUT GND C1+ ...

Page 20

Multichannel RS-232 Drivers/Receivers TOP VIEW T3 1 OUT T1 2 OUT T2 3 OUT MAX230 GND C1 C1- 10 DIP/SO Figure 9. MAX230 Pin Configuration and ...

Page 21

Multichannel RS-232 TOP VIEW OUT MAX233 T1 5 OUT MAX233A GND (V+) C1+ 8 GND 9 (V-) CS- 10 DIP/ ARE FOR ...

Page 22

Multichannel RS-232 Drivers/Receivers TOP VIEW T4 1 OUT T3 2 OUT T1 3 OUT T2 4 OUT MAX235 OUT OUT GND 11 V ...

Page 23

Multichannel RS-232 TOP VIEW T3 1 OUT T1 2 OUT T2 3 OUT MAX236 R1 5 OUT GND C1 C1- 12 DIP/SO Figure ...

Page 24

Multichannel RS-232 Drivers/Receivers TOP VIEW T3 1 OUT T1 2 OUT T2 3 OUT MAX237 R1 5 OUT GND C1 C1- 12 DIP/SO ...

Page 25

Multichannel RS-232 TOP VIEW T2 1 OUT T1 2 OUT OUT MAX238 OUT GND C1 C1- 12 DIP/SO Figure ...

Page 26

Multichannel RS-232 Drivers/Receivers TOP VIEW R1 1 OUT GND MAX239 OUT R4 11 OUT DIP/SO Figure ...

Page 27

... OUT MAX240 GND N.C. 20 N.C. 21 N.C. 22 Plastic FP Figure 18. MAX240 Pin Configuration and Typical Operating Circuit ______________________________________________________________________________________ Drivers/Receivers 1.0μF 25 C1+ +5V TO +10V 1.0μF 27 C1- VOLTAGE DOUBLER 28 C2+ VOLTAGE INVERTER 1.0μF 29 C2- +5V 400kΩ +5V 400kΩ ...

Page 28

Multichannel RS-232 Drivers/Receivers TOP VIEW C1 C1- 3 MAX243 C2 OUT DIP/SO RECEIVER INPUT ≤ -3V OPEN ≥ +3V Figure 19. MAX243 Pin Configuration and Typical ...

Page 29

Multichannel RS-232 TOP VIEW OUT OUT 11 A2 MAX244 R OUT OUT 13 ...

Page 30

Multichannel RS-232 Drivers/Receivers TOP VIEW ENR OUT 6 A5 MAX245 R OUT OUT OUT 9 ...

Page 31

Multichannel RS-232 TOP VIEW ENA OUT OUT 7 MAX246 A4 R OUT OUT 9 A2 ...

Page 32

Multichannel RS-232 Drivers/Receivers TOP VIEW ENTA OUT 6 B5 MAX247 R OUT OUT OUT 9 ...

Page 33

Multichannel RS-232 TOP VIEW ENRA 9 R OUT OUT 11 A2 MAX248 R OUT OUT ...

Page 34

Multichannel RS-232 Drivers/Receivers TOP VIEW ENRA 9 R OUT OUT 11 A2 MAX249 R OUT OUT 13 A4 ...

Page 35

Multichannel RS-232 ___________________________________________Ordering Information (continued) PART TEMP RANGE MAX222CPN 0°C to +70°C MAX222CWN 0°C to +70°C MAX222C/D 0°C to +70°C MAX222EPN -40°C to +85°C MAX222EWN -40°C to +85°C MAX222EJN -40°C to +85°C MAX222MJN -55°C to +125°C MAX223CAI 0°C to ...

Page 36

... MAX239ENG -40°C to +85°C MAX239EWG -40°C to +85°C MAX239ERG -40°C to +85°C MAX239MRG -55°C to +125°C MAX240CMH 0°C to +70°C MAX240C/D 0°C to +70°C MAX241CAI 0°C to +70°C MAX241CWI 0°C to +70°C MAX241C/D 0°C to +70°C MAX241EAI -40°C to +85°C MAX241EWI -40° ...

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