ADM3312EARUZ Analog Devices Inc, ADM3312EARUZ Datasheet

IC TXRX RS-232 3:3 2.7V 24-TSSOP

ADM3312EARUZ

Manufacturer Part Number
ADM3312EARUZ
Description
IC TXRX RS-232 3:3 2.7V 24-TSSOP
Manufacturer
Analog Devices Inc
Type
Transceiverr
Datasheet

Specifications of ADM3312EARUZ

Number Of Drivers/receivers
3/3
Protocol
RS232
Voltage - Supply
2.7 V ~ 3.6 V
Mounting Type
Surface Mount
Package / Case
24-TSSOP
Device Type
Transceiver
Ic Interface Type
RS232
No. Of Drivers
3
Supply Voltage Range
2.7V To 3.6V
Driver Case Style
TSSOP
No. Of Pins
24
Operating Temperature Range
-40°C To +85°C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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FEATURES
Green Idle power-saving mode
Single 2.7 V to 3.6 V power supply
Operates with 3 V logic
0.1 μF to 1 μF charge pump capacitors
Low EMI
Low power shutdown: 20 nA
Full RS-232 compliance
460 kb/s data rate
One receiver active in shutdown
Two receivers active in shutdown (ADM3310E)
ESD >15 kV IEC 1000-4-2 on RS-232 I/Os
ESD >15 kV IEC 1000-4-2 on CMOS and RS-232 I/Os
APPLICATIONS
Mobile phone handsets/data cables
Laptop and notebook computers
Printers
Peripherals
Modems
PDAs/Hand-Held Devices/Palmtop Computers
1
Rev. H
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
Protected by U.S. Patent No. 5,606,491.
TANTALUM
(ADM3307E/ADM3311E/ADM3312E/ADM3315E)
(ADM3307E)
V
CC
10µF
Figure 2. ADM3310E/ADM3311E Functional Block Diagram
CERAMIC
1
2
+
0.1µF
INTERNAL 400kΩ PULL-UP RESISTOR ON EACH CMOS INPUT.
INTERNAL 5kΩ PULL-DOWN RESISTOR ON EACH RS-232 INPUT.
OUTPUTS
INPUTS
CMOS
CMOS
0.1µF
ENABLE
C4
1
0.1µF
INPUT
C2
R1
R2
R3
R4
R5
T1
T2
T3
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
V+
C2+
V
C2–
EN
C1+
CC
R5
ADM3310E/
ADM3311E
0.1µF
T3
C1
+3V TO ±9V
INVERTER
VOLTAGE
TRIPLER/
R4
T2
R3
T1
R2
GND
C3+
C3–
C1–
R1
SD
V–
ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E
T1
T2
T3
R1
R2
R3
R4
R5
C3
0.1µF
C5
0.1µF
15 kV ESD Protected, 2.7 V to 3.6 V Serial
OUT
OUT
OUT
SHUTDOWN
INPUT
IN
IN
IN
IN
IN
EIA/TIA-232
OUTPUTS
EIA/TIA-232
INPUTS
2
Port Transceivers with Green Idle™
TANTALUM
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
TANTALUM
V
CC
10µF
ENABLE
V
CC
10µF
INPUT
Figure 3. ADM3312E/ADM3315E Functional Block Diagram
CERAMIC
1
2
+
0.1µF
INTERNAL 400kΩ PULL-UP RESISTOR ON EACH CMOS INPUT.
INTERNAL 5kΩ (22kΩ FOR ADM3315E) PULL-DOWN RESISTOR ON
EACH RS-232 INPUT.
CERAMIC
+
0.1µF
1
2
INTERNAL 400kΩ PULL-UP RESISTOR ON EACH CMOS INPUT.
INTERNAL 5kΩ PULL-DOWN RESISTOR ON EACH RS-232 INPUT.
OUTPUTS
INPUTS
FUNCTIONAL BLOCK DIAGRAMS
OUTPUTS
SHUTDOWN
INPUTS
CMOS
Figure 1. ADM3307E Functional Block Diagram
CMOS
INPUT
CMOS
CMOS
0.1µF
ENABLE
C4
1
0.1µF
INPUT
1
0.1µF
C2
R1
R2
R3
T1
T2
T3
C4
R1
R2
R3
OUT
OUT
OUT
T1
T2
T3
T4
T5
IN
IN
IN
OUT
OUT
OUT
IN
IN
IN
IN
IN
©2006 Analog Devices, Inc. All rights reserved.
V+
C2+
V
C2–
EN
C1+
CC
V+
V
C2–
C1–
EN
SD
ADM3312E/
ADM3315E
T1
CC
0.1µF
T3
C1
+3V TO ±9V
INVERTER
VOLTAGE
0.1µF
ADM3307E
TRIPLER/
R3
T2
C1
+3V TO ±9V
INVERTER
T2
VOLTAGE
TRIPLER/
R1
T3
R2
T1
R2
0.1µF
T4
R1
C2
GND
R3
T5
C3+
C3–
C1–
SD
V–
GND
C2+
C3+
C1+
C3–
V–
T1
T2
T3
R1
R2
R3
C3
0.1µF
www.analog.com
C5
0.1µF
T1
T2
T3
T4
T5
R1
R2
R3
OUT
OUT
OUT
SHUTDOWN
INPUT
IN
IN
IN
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
C5
0.1µF
EIA/TIA-232
OUTPUTS
EIA/TIA-232
INPUTS
EIA/TIA-232
OUTPUTS
EIA/TIA-232
INPUTS
C3
0.1µF
2
2
1

Related parts for ADM3312EARUZ

ADM3312EARUZ Summary of contents

Page 1

FEATURES Green Idle power-saving mode Single 2 3.6 V power supply Operates with 3 V logic 0.1 μ μF charge pump capacitors Low EMI Low power shutdown Full RS-232 compliance 460 kb/s data rate ...

Page 2

ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagrams............................................................. 1 Revision History ............................................................................... 2 General Description ......................................................................... 3 Specifications..................................................................................... 4 Absolute Maximum Ratings............................................................ 6 ESD Caution.................................................................................. 6 Product Selection Guide.................................................................. 7 REVISION HISTORY 1/06—Rev Rev. ...

Page 3

GENERAL DESCRIPTION The ADM33xxE line of driver/receiver products is designed to fully meet the EIA-232 standard while operating with a single 2 3.6 V power supply. The devices feature an on-board charge pump dc-to-dc converter, eliminating the need ...

Page 4

ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E SPECIFICATIONS 0.1 μF. All specifications T CC Table 1 Parameter Operating Voltage Range V Power Supply Current CC ADM3307E ADM3311E, ADM3312E ADM3310E, ADM3315E ADM3310E, ADM3311E, ADM3312E, ADM3315E Shutdown ...

Page 5

Parameter Maximum Data Rate ADM3307E ADM3310E, ADM3311E, ADM3312E, ADM3315E Receiver Propagation Delay PHL PLH Receiver Output Enable Time Receiver Output Disable Time Transmitter Propagation Delay PHL PLH Transition Region Slew ...

Page 6

ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 2 Parameter V− Input Voltages Output Voltages T OUT R OUT Short-Circuit Duration T OUT Thermal Impedance, θ JA LFCSP_VQ (CP-32-2) ...

Page 7

PRODUCT SELECTION GUIDE Table 3. Product Selection Guide Generic Supply Voltage Tx Rx ADM3307E 2 3 ADM3310E 2 3 ADM3311E 2 3 ADM3312E 2.7 V ...

Page 8

ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS EN 1 PIN INDICATOR ADM3307E TOP VIEW (Not to Scale CONNECT ...

Page 9

Table 4. Pin Function Descriptions Mnemonic Function V Power Supply Input 2 3 Internally Generated Positive Supply, 7.25 V (6.5 V Nominal for ADM3310E, ADM3315E). Capacitor C4 is connected between V and V+. CC V− ...

Page 10

ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E TYPICAL PERFORMANCE CHARACTERISTICS Figure 10. Charge Pump V+ Exiting Shutdown Figure 11. Charge Pump V− Exiting Shutdown –1 –3 –5 V– –7 – LOAD CURRENT (mA) Figure 12. Charge Pump ...

Page 11

LOAD CAPACITANCE (pF) Figure 16. Supply Current vs. Load Capacitance ( 3.3 V, Data Rate = 460 kbps ...

Page 12

ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E 600 500 400 300 200 100 0 2.6 2.8 3.0 3.2 V (V) CC Figure 22. I vs. V (Unloaded 3.4 3.6 Rev Page 2.6 2.8 ...

Page 13

CIRCUIT DESCRIPTION The internal circuitry consists mainly of four sections. These include the following: • A charge pump voltage converter • 3.3 V logic to EIA-232 transmitters • EIA-232 to 3.3 V logic receivers • Transient protection circuit on all ...

Page 14

ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E A block diagram of the Green Idle circuit is shown in Figure 26. Both V+ and V− are monitored and compared to a reference voltage derived from an on-chip band gap device. If either V− fall ...

Page 15

Transmitter (Driver) Section The drivers convert 3.3 V logic input levels into EIA-232 output levels. With V = 3.0 V and driving an EIA-232 load, the CC output voltage swing is typically ±6.4 V (or ±5.5 V for ADM3310E and ...

Page 16

ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E The transmitter outputs and receiver inputs have a similar protection structure. The receiver inputs can also dissipate some of the energy through the internal 5 kΩ (or 22 kΩ for the ADM3310E) resistor to GND as well as through ...

Page 17

R1 R2 HIGH VOLTAGE GENERATOR C1 ESD TEST METHOD R2 HUMAN BODY MODEL ESD ASSOC. STD 55.1 1.5kV IEC1000-4-2 330V Figure 34. ESD Test Standards 100 90 36 Figure 35. Human Body Model ESD Current ...

Page 18

ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E OUTLINE DIMENSIONS PIN 1 INDICATOR 12° MAX 1.00 0.85 0.80 SEATING PLANE PIN 1 0.05 MIN 5.00 BSC SQ 0.60 MAX 0.50 BSC TOP 4.75 VIEW BSC SQ 0.50 0.40 0.30 0.80 MAX 0.65 TYP 0.05 MAX 0.02 NOM ...

Page 19

ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E 7.90 7.80 7. 4.50 4.40 4. PIN 1 0.65 1.20 BSC MAX 0.15 0.05 0.30 0.20 SEATING 0.19 PLANE 0.09 0.10 COPLANARITY COMPLIANT TO JEDEC STANDARDS MO-153-AD Figure 39. 24-Lead Thin Shrink Small Outline Package ...

Page 20

... ADM3312EARU-REEL7 −40°C to +85°C 1 ADM3312EARUZ −40°C to +85°C 1 ADM3312EARUZ-REEL −40°C to +85°C 1 ADM3312EARUZ-REEL7 −40°C to +85°C ADM3312EACP −40°C to +85°C ADM3312EACP-REEL −40°C to +85°C ADM3312EACP-REEL7 −40°C to +85°C Package Description 28-Lead Thin Shrink Small Outline [TSSOP] ...

Page 21

Model Temperature Range 1 ADM3312EACPZ −40°C to +85°C 1 ADM3312EACPZ-REEL −40°C to +85°C 1 ADM3312EACPZ-REEL7 −40°C to +85°C ADM3315EARU −40°C to +85°C ADM3315EARU-REEL −40°C to +85°C ADM3315EARU-REEL7 −40°C to +85°C 1 ADM3315EARUZ −40°C to +85°C ADM3315EARUZ-REEL 1 −40°C to +85°C ...

Page 22

ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E NOTES Rev Page ...

Page 23

NOTES ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E Rev Page ...

Page 24

ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E NOTES ©2006 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. C02915-0-1/06(H) Rev Page ...

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