DS232AR-N datasheet, PDF - EEWORLD Datasheet

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DS232AR-N: DescriptionLine Transceiver, 1 Func, 2 Driver, 2 Rcvr, CMOS, PDSO16, 0.150 INCH, SOIC-16; CategoryAnalog mixed-signal IC Drivers and interfaces; File Size849KB，11 Pages; ManufacturerRochester Electronics; Websitehttps://www.rocelec.com/; Related ProductsFound20parts with similar functions to DS232AR-N

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DS232AR-N Overview

Line Transceiver, 1 Func, 2 Driver, 2 Rcvr, CMOS, PDSO16, 0.150 INCH, SOIC-16

DS232AR-N Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	Rochester Electronics
Parts packaging code	SOIC
package instruction	0.150 INCH, SOIC-16
Contacts	16
Reach Compliance Code	unknown
ECCN code	EAR99
Other features	EXTERNAL CHARGE PUMP
Differential output	NO
Number of drives	2
Input properties	SCHMITT TRIGGER
Interface integrated circuit type	LINE TRANSCEIVER
Interface standards	EIA-232-E; V.24; V.28
JESD-30 code	R-PDSO-G16
JESD-609 code	e0
length	9.9 mm
Number of functions	1
Number of terminals	16
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	245
Certification status	Not Qualified
Maximum receive delay	1000 ns
Number of receiver bits	2
Maximum seat height	1.75 mm
Maximum supply voltage	5.5 V
Minimum supply voltage	4.5 V
Nominal supply voltage	5 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
maximum transmission delay	3500 ns
width	3.9 mm

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DS232A

, R2

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.

OUT

, R2

OUT

Receiver outputs at TTL/CMOS levels.

C1+, C1-, C2+, C2-:

Charge pump capacitor inputs. These pins require two external capacitors (0.1

μF

minimum, 10

μF

maximum and should be the same size as C3 and C4). Capacitor 1 is connected between

C1+ and C1-. Capacitor 2 is connected between C2+ and C2-. Capacitor C1 can be omitted if +12 volts is

connected directly to V+. Likewise, C2 can be omitted if -12V is connected directly to V-.

DUAL CHARGE PUMP CONVERTERS

The DS232A has a two-stage on-board charge pump circuit that is used to generate

±10

volts from a

single +5-volt supply. In the first stage, capacitor C1 doubles the +5V supply to +10 volts which is then

stored on capacitor C3. The second stage uses capacitor C2 to invert the +10V potential to -10V. This

charge is then stored on capacitor C4. The

±10-volt

supplies allow the DS232A to provide the necessary

output levels for RS-232 communication. The DS232A will operate with charge pump capacitors as low

as 0.1

μF.

Larger capacitors (up to 10

μF)

can be used to reduce supply ripple.

RS-232 DRIVERS

The two RS-232 drivers are powered by the internal

±10-volt

supplies generated by the on-board charge

pump. The driver inputs are both TTL and CMOS compatible. Each input has an internal 400 kΩ pullup

resistor so that unused transmitter inputs can be left unconnected. The open circuit output voltage swing

is from (V+ - 0.6) to V- volts. Worst case conditions for EIA-232E/V.28 of

±5-volt

driving a 3 kΩ load

and 2500 pF are met at maximum operating temperature and V

equal to 4.5 volts. Typical voltage

swings of

±8

volts occur when loaded with a nominal 5 kΩ RS-232 receiver. As required by EIA-232E

and V.28 specifications, the slew rate at the output is limited to less than 30 volts/μs. Typical slew rates

are 20 volts/μs unloaded and 12 volts/μs with 3 kΩ and 2500 pF load. These slew rates allow for bit rates

of over 250k bits/s. Driver outputs maintain high impedance when power is off.

RS-232 RECEIVERS

The two receivers conform fully to the RS-232E specifications. The input impedance is typically 5

kΩ and can withstand up to

±25

volts with or without V

applied. The input switching thresholds are

within the

±3-volt

limit of RS-232E specification with an input threshold low of 0.8 volts and an input

threshold high of 2.4 volts. The receivers have 0.5 volts of hysteresis (typical) to improve noise rejection.

The TTL/CMOS compatible outputs of the receivers will be low whenever the RS-232 input is greater

than 2.4 volts. The receiver output will be high when the input is floating or driven between +0.8 volts

and -25 volts.

3 of 10

DS232AR-N Related Products

	DS232AR-N	DS232AS	DS232AS+	DS232AS-N+	DS232A	DS232AR	DS232AR+	DS232AR-N+	DS232A-N	DS232A-N+
Description	Line Transceiver, 1 Func, 2 Driver, 2 Rcvr, CMOS, PDSO16, 0.150 INCH, SOIC-16	Line Transceiver, 1 Func, 2 Driver, 2 Rcvr, CMOS, PDSO16, 0.300 INCH, SOIC-16	Line Transceiver, 1 Func, 2 Driver, 2 Rcvr, CMOS, PDSO16, 0.300 INCH, SOIC-16	Line Transceiver, 1 Func, 2 Driver, 2 Rcvr, CMOS, PDSO16, 0.300 INCH, SOIC-16	Line Transceiver, 1 Func, 2 Driver, 2 Rcvr, CMOS, PDIP16, 0.300 INCH, DIP-16	Line Transceiver, 1 Func, 2 Driver, 2 Rcvr, CMOS, PDSO16, 0.150 INCH, SOIC-16	LINE TRANSCEIVER, PDSO16, 0.150 INCH, SOIC-16	LINE TRANSCEIVER, PDSO16, 0.150 INCH, SOIC-16	Line Transceiver, 1 Func, 2 Driver, 2 Rcvr, CMOS, PDIP16, 0.300 INCH, DIP-16	Line Transceiver, 1 Func, 2 Driver, 2 Rcvr, CMOS, PDIP16, 0.300 INCH, DIP-16
Is it lead-free?	Contains lead	Contains lead	Lead free	Lead free	Contains lead	Contains lead	Lead free	Lead free	Contains lead	Lead free
Is it Rohs certified?	incompatible	incompatible	conform to	conform to	incompatible	incompatible	conform to	conform to	incompatible	conform to
Maker	Rochester Electronics	Rochester Electronics	Rochester Electronics	Rochester Electronics	Rochester Electronics	Rochester Electronics	Rochester Electronics	Rochester Electronics	Rochester Electronics	Rochester Electronics
Parts packaging code	SOIC	SOIC	SOIC	SOIC	DIP	SOIC	SOIC	SOIC	DIP	DIP
package instruction	0.150 INCH, SOIC-16	SOP,	SOP,	SOP,	DIP,	SOP,	0.150 INCH, SOIC-16	0.150 INCH, SOIC-16	DIP,	DIP,
Contacts	16	16	16	16	16	16	16	16	16	16
Reach Compliance Code	unknown	unknown	unknown	unknown	unknown	unknown	unknown	unknown	unknown	unknown
Other features	EXTERNAL CHARGE PUMP	EXTERNAL CHARGE PUMP	EXTERNAL CHARGE PUMP	EXTERNAL CHARGE PUMP	EXTERNAL CHARGE PUMP	EXTERNAL CHARGE PUMP	EXTERNAL CHARGE PUMP	EXTERNAL CHARGE PUMP	EXTERNAL CHARGE PUMP	EXTERNAL CHARGE PUMP
Differential output	NO	NO	NO	NO	NO	NO	NO	NO	NO	NO
Number of drives	2	2	2	2	2	2	2	2	2	2
Input properties	SCHMITT TRIGGER	SCHMITT TRIGGER	SCHMITT TRIGGER	SCHMITT TRIGGER	SCHMITT TRIGGER	SCHMITT TRIGGER	SCHMITT TRIGGER	SCHMITT TRIGGER	SCHMITT TRIGGER	SCHMITT TRIGGER
Interface integrated circuit type	LINE TRANSCEIVER	LINE TRANSCEIVER	LINE TRANSCEIVER	LINE TRANSCEIVER	LINE TRANSCEIVER	LINE TRANSCEIVER	LINE TRANSCEIVER	LINE TRANSCEIVER	LINE TRANSCEIVER	LINE TRANSCEIVER
Interface standards	EIA-232-E; V.24; V.28	EIA-232-E; V.24; V.28	EIA-232-E; V.24; V.28	EIA-232-E; V.24; V.28	EIA-232-E; V.24; V.28	EIA-232-E; V.24; V.28	EIA-232-E; V.24; V.28	EIA-232-E; V.24; V.28	EIA-232-E; V.24; V.28	EIA-232-E; V.24; V.28
JESD-30 code	R-PDSO-G16	R-PDSO-G16	R-PDSO-G16	R-PDSO-G16	R-PDIP-T16	R-PDSO-G16	R-PDSO-G16	R-PDSO-G16	R-PDIP-T16	R-PDIP-T16
JESD-609 code	e0	e0	e3	e3	e0	e0	e3	e3	e0	e3
length	9.9 mm	10.3 mm	10.3 mm	10.3 mm	19.175 mm	9.9 mm	9.9 mm	9.9 mm	19.175 mm	19.175 mm
Number of functions	1	1	1	1	1	1	1	1	1	1
Number of terminals	16	16	16	16	16	16	16	16	16	16
Maximum operating temperature	85 °C	70 °C	70 °C	85 °C	70 °C	70 °C	70 °C	85 °C	85 °C	85 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	SOP	SOP	SOP	SOP	DIP	SOP	SOP	SOP	DIP	DIP
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	IN-LINE	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE	IN-LINE	IN-LINE
Peak Reflow Temperature (Celsius)	245	245	260	260	240	245	260	260	240	260
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	COMMERCIAL	COMMERCIAL	Not Qualified	Not Qualified
Maximum receive delay	1000 ns	1000 ns	1000 ns	1000 ns	1000 ns	1000 ns	1000 ns	1000 ns	1000 ns	1000 ns
Number of receiver bits	2	2	2	2	2	2	2	2	2	2
Maximum seat height	1.75 mm	2.65 mm	2.65 mm	2.65 mm	4.572 mm	1.75 mm	1.75 mm	1.75 mm	4.572 mm	4.572 mm
Maximum supply voltage	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
Minimum supply voltage	4.5 V	4.5 V	4.5 V	4.5 V	4.5 V	4.5 V	4.5 V	4.5 V	4.5 V	4.5 V
Nominal supply voltage	5 V	5 V	5 V	5 V	5 V	5 V	5 V	5 V	5 V	5 V
surface mount	YES	YES	YES	YES	NO	YES	YES	YES	NO	NO
technology	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS
Temperature level	INDUSTRIAL	COMMERCIAL	COMMERCIAL	INDUSTRIAL	COMMERCIAL	COMMERCIAL	COMMERCIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)	TIN LEAD	MATTE TIN	MATTE TIN	TIN LEAD	TIN LEAD	MATTE TIN	MATTE TIN	TIN LEAD	MATTE TIN
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING	THROUGH-HOLE	GULL WING	GULL WING	GULL WING	THROUGH-HOLE	THROUGH-HOLE
Terminal pitch	1.27 mm	1.27 mm	1.27 mm	1.27 mm	2.54 mm	1.27 mm	1.27 mm	1.27 mm	2.54 mm	2.54 mm
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	30	20	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	20	30
maximum transmission delay	3500 ns	3500 ns	3500 ns	3500 ns	3500 ns	3500 ns	3500 ns	3500 ns	3500 ns	3500 ns
width	3.9 mm	7.5 mm	7.5 mm	7.5 mm	7.62 mm	3.9 mm	3.9 mm	3.9 mm	7.62 mm	7.62 mm
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	-	-	EAR99	EAR99
Humidity sensitivity level	-	-	-	1	1	-	NOT APPLICABLE	NOT APPLICABLE	1	1

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