FEATURES FUNCTIONAL BLOCK DIAGRAM Operates from 1.65 V to 3.6 V supply rails Unidirectional signal path Up/down level translation Ultracompact 6-lead SOT-23 package Output short-circuit protection LVTTL-/CMOS-compatible inputs VCC1 VCC2 A Y GND 03298-001 Data Sheet 1.65 V to 3.6 V, Single-Channel Level Translator in SOT-23 Package ADG3231 Figure 1. APPLICATIONS Level translation in PDAs Handsets MP3 players GENERAL DESCRIPTION The ADG3231 is a single-channel level translator designed on a submicron process that is guaranteed to operate over the 1.65 V to 3.6 V supply range. The device can be used in applications requiring communication between digital devices operating from multiple supply voltages. The logic levels on each side of the device are set by the two supply voltages, VCC1 for A and VCC2 for Y. The signal path is unidirectional, meaning data can flow only from A to Y. The ADG3231 can operate with any combination of VCC1 and VCC2 supply voltages within the 1.65 V to 3.6 V range, allowing the part to perform either up (VCC1 < VCC2) or down (VCC1 > VCC2) level translation. The output stage is protected Rev. C against current overload, which can occur when the Y pin is accidentally shorted to the VCC2 or GND rails. The ADG3231 is available in the SOT-23 (2.8 mm × 2.9 mm × 1.3 mm) ultracompact package, making the part ideal for applications where space is critical. PRODUCT HIGHLIGHTS 1. Up/down level translation. 2. Guaranteed to operate with any supply combination within the 1.65 V to 3.6 V range. 3. Output short-circuit protection. 4. Available in ultracompact SOT-23 package. Document Feedback 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. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©2003–2012 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com ADG3231 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 Absolute Maximum Ratings ............................................................4 Applications ....................................................................................... 1 ESD Caution...................................................................................4 Functional Block Diagram .............................................................. 1 Pin Configurations and Function Descriptions ............................5 General Description ......................................................................... 1 Typical Performance Characteristics ..............................................6 Product Highlights ........................................................................... 1 Theory of Operation .........................................................................9 Revision History ............................................................................... 2 Outline Dimensions ....................................................................... 10 Specifications..................................................................................... 3 Ordering Guide .......................................................................... 10 REVISION HISTORY 9/12—Rev. B to Rev. C Removed SOT-66 Package (Throughout) ..................................... 1 Updated Outline Dimensions ....................................................... 10 Changes to Ordering Guide .......................................................... 10 5/06—Rev. A to Rev. B Deleted Figure 11 and Figure 12..................................................... 7 Changes to Ordering Guide .......................................................... 10 12/04—Rev. 0 to Rev. A Updated Format .................................................................. Universal Added SOT-66 Package ..................................................... Universal Change to Data Sheet Title .............................................................. 1 Changes to Features, Applications, General Description and Product Highlights Sections .....................................................1 Changes to Figure 1 ...........................................................................1 Changes to Table 1.............................................................................3 Changes to Figure 2 and Figure 3 ....................................................3 Deleted TPC 1 to TPC 6 ...................................................................6 Changes to Figure 13 through Figure 20 ........................................7 Changes to Theory of Operation Section.......................................9 Updated Outline Dimensions ....................................................... 10 Changes to Ordering Guide .......................................................... 10 5/03—Revision 0: Initial Version Rev. C | Page 2 of 12 Data Sheet ADG3231 SPECIFICATIONS VCC1 = VCC2 = 1.65 V to 3.6 V, GND = 0 V. All specifications TMIN to TMAX, unless otherwise noted. Temperature range for the B version is −40°C to +85°C. Table 1. Parameter LOGIC INPUTS/OUTPUTS Input High Voltage2 Min VIH VCC1 = 3.0 V to 3.6 V VCC1 = 2.3 V to 2.7 V VCC1 = 1.65 V to 1.95 V VCC1 = 3.0 V to 3.6 V VCC1 = 2.3 V to 2.7 V VCC1 = 1.65 V to 1.95 V IOH = –100 μA, VCC2 = 3.0 V to 3.6 V IOH = –100 μA, VCC2 = 2.3 V to 2.7 V IOH = –100 μA, VCC2 = 1.65 V to 1.95 V IOH = −4 mA, VCC2 = 2.3 V to 2.7 V IOH = −4 mA, VCC2 = 1.65 V to 1.95 V IOH = −8 mA, VCC2 = 3.0 V to 3.6 V IOL = 100 μA, VCC2 = 3.0 V to 3.6 V IOL = 100 μA, VCC2 = 2.3 V to 2.7 V IOL = 100 μA, VCC2 = 1.65 V to 1.95 V IOL = 4 mA, VCC2 = 2.3 V to 2.7 V IOL = 4 mA, VCC2 = 1.65 V to 1.95 V IOL = 8 mA, VCC2 = 3.0 V to 3.6 V 1.35 1.35 0.65 VCC1 VIL Output High Voltage VOH Output Low Voltage VOL Quiescent Power Supply Current tPHL, tPLH tPHL, tPLH tPHL, tPLH II IO VCC1 VCC2 ICC1 ICC2 4 4.5 6.5 1.65 1.65 Digital inputs = 0 V or VCC1 Digital inputs = 0 V or VCC2 All typical values are at VCC1 = VCC2, TA = 25°C, unless otherwise noted. Guaranteed by design, not subject to production test. VCC1 50% tPLH tPHL 0V VCC2 OUTPUT 50% 0V Figure 2. Timing Diagram Rev. C | Page 3 of 12 Max Unit 0.4 0.4 0.45 0.4 0.45 0.4 V V V V V V V V V V V V V V V V V V 6.5 6.5 10.25 ±1 ±1 ns ns ns μA μA 3.6 3.6 2 2 V V μA μA 2.4 2.0 VCC2 − 0.45 2.0 VCC2 − 0.45 2.4 3.3 V ± 0.3 V, CL = 30 pF, see Figure 2 2.5 V ± 0.2 V, CL = 30 pF, see Figure 2 1.8 V ± 0.15 V, CL = 30 pF, see Figure 2 0 ≤ VIN ≤ 3.6 V 0 ≤ VIN ≤ 3.6 V INPUT Typ1 0.8 0.7 0.35 VCC1 03298-020 2 Conditions Input Low Voltage2 SWITCHING CHARACTERISTICS2 Propagation Delay, tPD A to Y Propagation Delay, tPD A to Y Propagation Delay, tPD A to Y Input Leakage Current Output Leakage Current POWER REQUIREMENTS Power Supply Voltages 1 Symbol ADG3231 Data Sheet ABSOLUTE MAXIMUM RATINGS TA = 25°C, unless otherwise noted. Table 2. Parameter VCC to GND Input Voltage for A DC Output Current Operating Temperature Range Industrial (B Version) Storage Temperature Range Junction Temperature θJA Thermal Impedance 6-Lead SOT-23 Lead Temperature, Soldering (10 sec) IR Reflow, Peak Temperature (<20 sec) Rating −0.3 V to +4.6 V −0.3 V to VCC1 + 0.3 V 25 mA −40°C to +85°C −65°C to +150°C 150°C 229°C/W 300°C 235°C Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Only one absolute maximum rating may be applied at any one time. ESD CAUTION Rev. C | Page 4 of 12 Data Sheet ADG3231 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS VCC1 1 PIN 1 INDICATOR 6 VCC2 ADG3231 A 3 5 Y TOP VIEW (Not to Scale) 4 GND NC = NO CONNECT 03298-002 NC 2 Figure 3. SOT-23 Table 3. Pin Function Descriptions Pin Number 1 2 3 4 5 6 Mnemonic VCC1 NC A GND Y VCC2 Description Supply Voltage 1. Can be any supply voltage from 1.65 V to 3.6 V. Not internally connected. Digital Input Referred to VCC1. Device Ground Pin. Digital Output Referred to VCC2. Supply Voltage 2. Can be any supply voltage from 1.65 V to 3.6 V. Rev. C | Page 5 of 12 ADG3231 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS 30 5.0 VCC1 = 3.3V TA = 25°C 4.5 25 4.0 3.0 ICC2 (nA) ICC1 (nA) VCC2 = 3.3V 20 3.5 2.5 2.0 1.5 VCC2 = 2.5V 10 VCC2 = 1.8V 5 VCC2 = 3.3V VCC2 = 2.5V 15 1.0 2.0 2.5 3.0 3.5 03298-007 0 1.5 0 03298-004 VCC2 = 1.8V 0.5 –5 0 4.0 10 20 VCC1 (V) 30 40 50 60 TEMPERATURE (°C) 70 80 Figure 7. ICC2 vs. Temperature Figure 4. ICC1 vs. VCC1 80 5.0 TA = 25°C TA = 25°C 4.5 70 4.0 60 VCC1 = VCC2 = 3.3V 50 3.0 ICC1 (µA) ICC2 (nA) 3.5 2.5 2.0 40 30 1.5 VCC1 = 3.3V VCC1 = 2.5V VCC1 = VCC2 = 1.8V 20 1.0 2.0 2.5 3.0 3.5 0 10k 4.0 03298-008 VCC1 = 1.8V 0 1.5 10 03298-005 0.5 100k VCC2 (V) Figure 5. ICC2 vs. VCC2 1M FREQUENCY (Hz) 10M 100M 10M 100M Figure 8. ICC1 vs. Frequency 30 2000 TA = 25°C VCC2 = 3.3V 1800 25 1600 1400 VCC1 = 2.5V 15 VCC1 = 1.8V 10 1200 VCC1 = VCC2 = 3.3V 1000 800 600 VCC1 = VCC2 = 1.8V 5 0 0 10 20 30 40 50 60 TEMPERATURE (°C) 70 03298-009 400 03298-006 ICC1 (nA) ICC2 (µA) VCC1 = 3.3V 20 200 0 10k 80 Figure 6. ICC1 vs. Temperature 100k 1M FREQUENCY (Hz) Figure 9. ICC2 vs. Frequency Rev. C | Page 6 of 12 Data Sheet ADG3231 16 8.0 14 PROPAGATION DELAY (ns) VCC1 = 3.3V VCC2 = 1.8V TA = 25°C DATA RATE 10Mbps RISE/FALL TIME (ns) 12 10 tLH,LOW-TO-HIGH TRANSITION 8 6 4 6.0 tPHL, A TO Y 4.0 tPLHL, A TO Y 2.0 0 22 03298-012 2 32 42 52 72 62 CAPACITIVE LOAD (pF) 82 92 TA = 25°C VCC1 = VCC2 0 1.5 102 Figure 10. Rise/Fall Time vs. Capacitive Load (3.3 V to 1.8 V Level Translation) 2.0 2.5 3.0 SUPPLY VOLTAGE (V) 3.5 4.0 Figure 13. Propagation Delay vs. Supply Voltage 4.0 10 VCC1 = 1.8V VCC2 = 3.3V TA = 25°C DATA RATE 10Mbps 8 tPHL, A TO Y PROPAGATION DELAY (ns) 9 7 tLH, LOW-TO-HIGH TRANSITION 6 5 4 3 2 3.0 tPLH, A TO Y 2.0 1.0 03298-013 tHL, HIGH-TO-LOW TRANSITION 1 0 22 32 42 62 52 72 CAPACITIVE LOAD (pF) 82 92 VCC1 = VCC2 = 3.3V 0 –40 –20 0 102 Figure 11. Rise/Fall Time vs. Capacitive Load (1.8 V to 3.3 V Level Translation) 03298-016 RISE/FALL TIME (ns) 03298-015 tHL, HIGH-TO-LOW TRANSITION 20 40 TEMPERATURE (°C) 60 80 Figure 14. Propagation Delay vs. Temperature 8 VCC1 = 3.3V VCC2 = 3.3V TA = 25°C DATA RATE 10Mbps TA = 25°C DATA RATE = 10MHz 3.3V 6 tPLH, LOW-TO-HIGH TRANSITION A 5 Y 4 1.8V tPHL, HIGH-TO-LOW TRANSITION 3 3 2 2 1 32 42 52 62 72 CAPACITIVE LOAD (pF) 82 92 03298-017 0 22 03298-014 PROPAGATION DELAY (ns) 7 102 Figure 12. Propagation Delay vs. Capacitive Load Figure 15. Input/Output VCC1 = 3.3 V, VCC2 = 1.8 V Rev. C | Page 7 of 12 ADG3231 Data Sheet 3.5 TA = 25°C VCC = VCC1 = VCC2 A 3.0 1.8V VCC = 3.3V Y 3.3V OUTPUT VOLTAGE (V) 1 SOURCE VCC = 2.5V 2.0 1.5 VCC = 1.8V VCC = 3.3V 1.0 VCC = 1.8V VCC = 2.5V 0.5 03298-018 TA = 25°C DATA RATE = 10MHz 2.5 03298-019 3 2 SINK 0 0 5 10 CURRENT (mA) 15 Figure 17. Output Voltage vs. Sink and Source Current Figure 16. Input/Output VCC1 = 1.8 V, VCC2 = 3.3 V Rev. C | Page 8 of 12 20 Data Sheet ADG3231 THEORY OF OPERATION The ADG3231 is a single-channel level translator designed on a submicron process that is guaranteed to operate over the 1.65 V to 3.6 V supply range. The device can be used in applications requiring communication between digital devices operating from multiple supply voltages. The logic levels on each side of the device are set by the two supply voltages, VCC1 for A, and VCC2 for Y. The signal path is unidirectional, meaning data can flow only from A to Y. By limiting the current delivered into the load, for example, ~1.7 mA with VCC2 = 3.6 V, the output stage is protected against current overload, which can occur when the Y pin is accidentally shorted to the VCC2 or GND rails. The short-circuit protection circuitry works by limiting the output current when the output voltage exceeds VOL (A = 0 logic) or is less than VOH (A = 1 logic) threshold values specified for the VCC2 supply voltage used. The ADG3231 can operate with any combination of VCC1 and VCC2 supply voltages within the 1.65 V to 3.6 V range, allowing the part to perform either up (VCC1 < VCC2) or down (VCC1 > VCC2) level translation. VCC1 Figure 18 shows a typical application for the ADG3231 where the device performs level translation from VCC1-compatible levels to VCC2-compatible levels to allow proper communication between the two digital devices, DEVICE 1 and DEVICE 2. VCC1 VCC2 A VCC2 Y DEVICE 1 SIGNAL OUTPUT ADG3231 GND Figure 18. Typical Application of the ADG3231 Level Translator Rev. C | Page 9 of 12 03298-021 DEVICE 2 SIGNAL INPUT ADG3231 Data Sheet OUTLINE DIMENSIONS 3.00 2.90 2.80 1.70 1.60 1.50 6 5 4 1 2 3 3.00 2.80 2.60 PIN 1 INDICATOR 0.95 BSC 1.90 BSC 1.45 MAX 0.95 MIN 0.15 MAX 0.05 MIN 0.50 MAX 0.30 MIN 0.20 MAX 0.08 MIN SEATING PLANE 10° 4° 0° 0.60 BSC 0.55 0.45 0.35 12-16-2008-A 1.30 1.15 0.90 COMPLIANT TO JEDEC STANDARDS MO-178-AB Figure 19. 6-Lead Small Outline Transistor Package [SOT-23] (RJ-6) Dimensions shown in millimeters ORDERING GUIDE Model 1 ADG3231BRJ-REEL7 Temperature Range −40°C to +85°C Package Description 6-Lead SOT-23 Package Option RJ-6 Branding W2B ADG3231BRJZ-REEL ADG3231BRJZ-REEL7 −40°C to +85°C −40°C to +85°C 6-Lead SOT-23 6-Lead SOT-23 RJ-6 RJ-6 W2B # W2B # 1 Z = RoHS Compliant Part, # denotes lead-free may be top or bottom marked. Rev. C | Page 10 of 12 Data Sheet ADG3231 NOTES Rev. C | Page 11 of 12 ADG3231 Data Sheet NOTES ©2003–2012 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. %03298-0-9/12(C) Rev. C | Page 12 of 12