DS232AR Maxim Integrated Products, DS232AR Datasheet

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DS232AR

Manufacturer Part Number
DS232AR
Description
IC TXRX DUAL RS-232 5V 16-SOIC
Manufacturer
Maxim Integrated Products
Type
Transceiverr
Datasheet
1.DS232A.pdf (10 pages)

Specifications of DS232AR

Number Of Drivers/receivers
2/2
Protocol
RS232
Voltage - Supply
4.5 V ~ 5.5 V
Mounting Type
Surface Mount
Package / Case
16-SOIC (0.300", 7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Meier Automation Equipment Co., Limited Meier Automation Equipment Co., Limited
Part Number:
DS232AR
Manufacturer:
MAXIM/美信
Quantity:
20 000
FEATURES
ORDERING INFORMATION
DS232A
DS232A-N
DS232AR
DS232AR-N 16-pin SOIC (150-Mil) (Industrial)
DS232AS
DS232AS-N 16-pin SOIC (300-Mil) (Industrial)
DS232AE
DS232AE-N 20-pin TSSOP (Industrial)
DESCRIPTION
The DS232A is a dual RS-232 driver/receiver pair that generates RS-232 voltage levels from a single +5-
volt power supply. Additional ±12-volt supplies are not needed since the DS232A uses on-board charge
pumps to convert the +5-volt supply to ±10 volts. The DS232A is fully compliant with EIA RS-232E and
V.28/V.24 standards. The DS232A contains two drivers and two receivers. Driver slew rates and data
rates are guaranteed up to 250k bits/sec. The DS232A operates with only 0.1 μF charge pump capacitors.
OPERATION
The diagram in Figure 1 shows the main elements of the DS232A. The following paragraphs describe the
function of each pin.
www.maxim-ic.com
Compatible with LT1181A and MAX232A
High data rate - 250 kbits/sec under load
16-pin DIP or SOIC package
20-pin TSSOP package for height restricted
applications
Operate from single +5V power
Meets all EIA-232E and V.28 specifications
Uses small capacitors: 0.1 μF
Optional industrial temperature range
available (-40°C to +85°C)
16-pin DIP
16-pin DIP (Industrial)
16-pin SOIC (150-Mil)
16-pin SOIC (300-Mil)
20-pin TSSOP
Dual RS-232 Transmitter/Receiver
1 of 10
PIN ASSIGNMENT
PIN DESCRIPTION
V
GND
V+
V-
T1
T1
R1
R1
C1+, C1-
C2+, C2-
CC
IN
OUT
IN
OUT
, T2
, R2
, T2
, R2
IN
IN
OUT
T2
T2
OUT
C1+
R2
C1+
R2
C2+
C2+
C1-
C2-
C1-
C2-
NC
NC
OUT
OUT
V+
V+
16-Pin DIP AND SOIC
V-
V-
IN
IN
20-Pin TSSOP
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
9
10
- +5-Volt Supply
- Ground
- Positive Supply Output
- Negative Supply Output
- RS-232 Driver Inputs
- RS-232 Driver Outputs
- Receiver Inputs
- Receiver Outputs
- Capacitor 1 Connections
- Capacitor 2 Connections
16
15
14
13
12
11
10
20
19
18
17
16
15
14
13
12
11
9
V
GND
T1
R1
R1
T1
T2
R2
NC
V
GND
T1
R1
R1
NC
T1
T2
R2
CC
CC
OUT
IN
IN
OUT
IN
IN
IN
OUT
OUT
IN
OUT
OUT
DS232A
112099

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DS232AR Summary of contents

Page 1

... ORDERING INFORMATION DS232A 16-pin DIP DS232A-N 16-pin DIP (Industrial) DS232AR 16-pin SOIC (150-Mil) DS232AR-N 16-pin SOIC (150-Mil) (Industrial) DS232AS 16-pin SOIC (300-Mil) DS232AS-N 16-pin SOIC (300-Mil) (Industrial) DS232AE 20-pin TSSOP DS232AE-N 20-pin TSSOP (Industrial) DESCRIPTION The DS232A is a dual RS-232 driver/receiver pair that generates RS-232 voltage levels from a single +5- volt power supply. Additional ± ...

Page 2

FUNCTIONAL DIAGRAM OF DS232A Figure 1 NOTE recommended decoupling capacitor which is the same value as C1, C2, C3, and C4 Are for TSSOP package only. PIN DESCRIPTIONS V , GND: DC power is provided ...

Page 3

Receiver inputs. These inputs accept RS-232 level signals (±25 volts) into a protected 5 kΩ terminating resistor. Each receiver provides 0.5V hysteresis (typical) for noise immunity Receiver outputs at TTL/CMOS ...

Page 4

ABSOLUTE MAXIMUM RATINGS* Absolute Maximum Ratings Input Voltages Output Voltages T OUT R OUT Short Circuit Duration, T OUT * This is a stress rating only and functional operation of the device ...

Page 5

DC ELECTRICAL CHARACTERISTICS (continued) RS-232 Receivers RS-232 Input Voltage Operating Range RS-232 Input Threshold Low RS-232 Input Threshold High RS-232 Input Hysteresis RS-232 Input Resistance TTL/CMOS Output Voltage Low TTL/CMOS Output Voltage High TTL/CMOS Output Short Circuit Current (V =GND) ...

Page 6

TRANSMITTER PROPAGAION DELAY TIMING Figure 2 RECEIVER PROPAGATION DELAY TIMING Figure DS232A ...

Page 7

DIP (300-MIL) PKG 16-PIN DIM MIN MAX A IN. 0.740 0.780 MM 18.80 19.81 B IN. 0.240 0.260 MM 6.10 6.60 C IN. 0.120 0.140 MM 3.05 3.56 D IN. 0.300 0.325 MM 7.62 8.26 E IN. 0.015 0.040 ...

Page 8

SOIC (150-MIL) PKG 16-PIN DIM MIN MAX A IN. 0.053 0.069 MM 1.35 1.75 A1 IN. 0.004 0.010 MM 0.10 0.25 A2 IN. 0.048 0.062 MM 1.24 1.57 B IN. 0.012 0.020 MM 0.30 0.50 C IN. 0.007 0.011 ...

Page 9

SOIC (300-MIL) PKG 16-PIN DIM MIN MAX A IN. 0.094 0.105 MM 2.39 2.67 A1 IN. 0.004 0.012 MM 0.102 0.30 A2 IN. 0.089 0.095 MM 2.26 2.41 b IN. 0.013 0.020 0.51 MM 0.33 C IN. 0.009 0.013 ...

Page 10

TSSOP DIM MIN MAX 1. 0. 0.75 1. 0.09 0. 0.50 0. 0.65 BSC B MM 0.18 0. 6.40 6. 4.40 ...

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