15 kV ESD Protected, 2.7 V to 3.6 V Serial
Port Transceivers with Green Idle
1
Data Sheet ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E
FEATURES FUNCTIONAL BLOCK DIAGRAMS
C1
Green Idle power-saving mode
C2
0.1F
Single 2.7 V to 3.6 V power supply
0.1F
Operates with 3 V logic
0.1F
V+ VOLTAGE C2+
C4
0.1 F to 1 F charge pump capacitors
CERAMIC
V
CC 0.1F TRIPLER/
C3+
V INVERTER
CC
Low EMI
+
+3V TO 9V
C3
10F C2 C1+
0.1F
Low power shutdown: 20 nA TANTALUM
C1 C3
Full RS-232 compliance ENABLE
EN V
INPUT
C5
0.1F
460 kb/s data rate SD
GND
SHUTDOWN
INPUT
One receiver active in shutdown
T1 T1 T1
IN OUT
(ADM3307E/ADM3311E/ADM3312E/ADM3315E)
T2 T2 T2
IN OUT
Two receivers active in shutdown (ADM3310E)
CMOS
EIA/TIA-232
T3
IN T3 T3
1 OUT
INPUTS
OUTPUTS
ESD >15 kV IEC 1000-4-2 on RS-232 I/Os
T4 T4
IN T4
OUT
ESD >15 kV IEC 1000-4-2 on CMOS and RS-232 I/Os
T5
T5 T5
IN OUT
(ADM3307E)
R1 R1
IN
R1
OUT
Qualified for automotive applications
EIA/TIA-232
CMOS
R2
R2 2
R2 IN
INPUTS
OUTPUTS OUT
APPLICATIONS
R3
R3
R3 IN
OUT
Mobile phone handsets/data cables
ADM3307E
Laptop and notebook computers
Printers
1
INTERNAL 400k PULL-UP RESISTOR ON EACH CMOS INPUT.
2
INTERNAL 5k PULL-DOWN RESISTOR ON EACH RS-232 INPUT.
Peripherals
Figure 1. ADM3307E Functional Block Diagram
Modems
PDAs/Hand-Held Devices/Palmtop Computers
C1
C1
0.1F 0.1F
C4 C4
C3
C3
0.1F 0.1F
0.1F 0.1F
V+ VOLTAGE C3+ V+ VOLTAGE C3+
TRIPLER/
TRIPLER/
0.1F GND 0.1F C2 C2+ GND
C2 C2+ INVERTER INVERTER
CERAMIC
V CERAMIC 0.1F +3V TO 9V V 0.1F +3V TO 9V
CC CC
C3 V C3
V
CC CC
+ +
V C2 V C5
C2 C5 10F
10F
0.1F
0.1F
TANTALUM TANTALUM
ENABLE ENABLE
EN C1 EN C1
INPUT INPUT
SHUTDOWN
SHUTDOWN
C1+
C1+ SD SD
INPUT INPUT
T1 T1 T1 T1 T1 T1
IN OUT
IN OUT
CMOS EIA/TIA-232 CMOS EIA/TIA-232
T2 T2 T2 T2 T2 T2
IN OUT IN OUT
1 1
INPUTS OUTPUTS INPUTS OUTPUTS
T3 T3
T3 T3 IN T3 T3
IN OUT
OUT
R1 R1
R1 R1 IN
R1 IN R1
OUT
OUT
CMOS EIA/TIA-232
R2 R2 R2
R2 R2 IN
R2 IN
OUT OUT 2
OUTPUTS INPUTS
CMOS EIA/TIA-232
R3 R3 R3 R3
R3 IN
R3 IN 2
OUT OUT
OUTPUTS INPUTS
R4 R4
IN
R4
OUT
ADM3312E/
R5 R5
R5 IN
ADM3315E
OUT
ADM3310E/
ADM3311E 1
INTERNAL 400k PULL-UP RESISTOR ON EACH CMOS INPUT.
2
INTERNAL 5k (22k FOR ADM3315E) PULL-DOWN RESISTOR ON
EACH RS-232 INPUT.
1
INTERNAL 400k PULL-UP RESISTOR ON EACH CMOS INPUT.
2
INTERNAL 5k PULL-DOWN RESISTOR ON EACH RS-232 INPUT.
Figure 2. ADM3310E/ADM3311E Functional Block Diagram Figure 3. ADM3312E/ADM3315E Functional Block Diagram
1
Protected by U.S. Patent No. 5,606,491.
Rev. J Document Feedback
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02915-002
02915-003
02915-001ADM3307E/ADM3310E/ADM3311E/ADM3312E/ADM3315E Data Sheet
TABLE OF CONTENTS
Features .............................................................................................. 1 Typical Performance Characteristics ........................................... 10
Applications ....................................................................................... 1 Circuit Description......................................................................... 13
Functional Block Diagrams ............................................................. 1 Enable and Shutdown ................................................................ 15
Revision History ............................................................................... 2 Layout and Supply Decoupling ................................................ 15
General Description ......................................................................... 3 ESD/EFT Transient Protection Scheme .................................. 15
Specifications ..................................................................................... 4 ESD Testing (IEC 1000-4-2) ..................................................... 16
Absolute Maximum Ratings ............................................................ 6 Outline Dimensions ....................................................................... 18
ESD Caution .................................................................................. 6 Ordering Guide .......................................................................... 20
Product Selection Guide .................................................................. 7 Automotive Products ................................................................. 20
Pin Configurations and Function Descriptions ........................... 8
REVISION HISTORY
Edits to General Description .................................................................. 1
6/15Rev. I to Rev. J
Edits to Functional Block Diagrams ..................................................... 2
Changed ADM33xxE to ADM3307E/ADM3310E/ADM3311E/
Edits to Specifications ...............................................................................
ADM3312E/ADM3315E .............................................. Throughout
Edits to Absolute Maximum Ratings .................................................... 4
Changes to ESD Testing (IEC 1000-4-2) Section ....................... 16
ADM33xx Product Selection Guide Added ......................................... 5
Changes to Figure 34 ...................................................................... 17
Added ADM3307E, ADM3310E, ADM3312E, and
Changes to Ordering Guide .......................................................... 20
ADM3315E Pin Configurations ............................................................ 6
Edits to Pin Function Descriptions ....................................................... 7
3/13Rev. H to Rev. I
Added ADM3307E, ADM3310E, ADM3312E, and
Changed CP-32-2 Package to CP-32-7 Package, Throughout .... 1
ADM3315E Truth Tables ....................................................................... 7
Changes to Figure 4, Figure 6, Figure 8 ......................................... 8
Edits to TPCs 114 .................................................................................. 8
Changes to Figure 25 ...................................................................... 13
TPCs 1518 Deleted .............................................................................. 10
Updated Outline Dimensions ....................................................... 18 Edits to Circuit Description Section ................................................... 11
Edits to Charge Pump DC-to-DC Voltage Converter Section ........ 11
Changes to Ordering Guide .......................................................... 20
Edits to How Does It Work Section .................................................... 11
Added Automotive Products Section........................................... 20
Edits to Green Idle vs. Shutdown Section .......................................... 12
Edits to Doesnt It Increase Supply Voltage Ripple? Section ............ 12
1/06Rev. G to Rev. H
Edits to What About Electromagnetic Compatibility? Section ....... 12
Updated Formatting ................................................................. Universal
Edits to Transmitter (Driver) Section ................................................. 12
Updated Outline Dimensions .............................................................. 18
Edits to Receiver Section ...................................................................... 12
Changes to Ordering Guide ................................................................. 20
Edits to Enable and Shutdown Section ............................................... 12
Edits to High Baud Rate Section.......................................................... 13
4/04Rev. F to Rev. G
Edits to ESD/EFT Transient Protection Scheme ............................... 13
Changes to Ordering Guide ................................................................... 5
Added Figures 8a and 8b and Renumbered the Figures
Updated Outline Dimensions .............................................................. 15
that Followed ..........................................................................................13
Edits to ESD Testing (IEC 1000-4-2) Section .................................... 14
8/02Rev. E to Rev. F
Edits to Figure 9 .....................................................................................14
ADM3307E (REV. 0), ADM3311E (REV. E), and ADM3312E
Deleted Table II and Table III and replaced them with Table V ..... 14
(REV. A) Data Sheets Merged into REV. G of ADM33xxE Universal
Added RU-24 Package Outline Updated CP-32, RS-28
ADM3310E (REV. PrA Now Prelims) and ADM3315E
and RU-28 ...............................................................................................15
(REV. PrA) Added .................................................................... Universal
Edits to Features ....................................................................................... 1
Edits to Applications ............................................................................... 1
Rev. J | Page 2 of 20