ADG3243BRJZ-REEL7

2.5 V/3.3 V, 2-Bit, Individual Control Level Translator Bus Switch ADG3243 FEATURES 225 ps Propagation Delay through the Switch 4.5 ⍀ Switch Connection between Ports Data Rate 1.5 Gbps 2.5 V/3.3 V Supply Operation Level Translation 3.3 V to 2.5 V 2.5 V to 1.8 V Small Signal Bandwidth 710 MHz 8-Lead SOT-23 Package FUNCTIONAL BLOCK DIAGRAM A0 B0 BE0 APPLICATIONS 3.3 V to 2.5 V Voltage Translation 2.5 V to 1.8 V Voltage Translation Bus Switching Bus Isolation Hot Swap Hot Plug Analog Switch Applications A1 B1 BE1 GENERAL DESCRIPTION PRODUCT HIGHLIGHTS The ADG3243 is a 2.5 V or 3.3 V, 2-bit, 2-port digital switch with individual channel control. It is designed on a low voltage CMOS process, which provides low power dissipation yet gives high switching speed and very low on resistance. This allows the inputs to be connected to the outputs without additional propagation delay or generating additional ground bounce noise. 1. 2. 3. 4. 5. 3.3 V or 2.5 V supply operation. Extremely low propagation delay through switch. 4.5 Ω switches connect inputs to outputs. Level/voltage translation. Tiny SOT-23 package. The switches are enabled by means of the bus enable (BEx) input signal. This digital switch allows a bidirectional signal to be switched when ON. In the OFF condition, signal levels up to the supplies are blocked. This device is ideal for applications requiring level translation. When operated from a 3.3 V supply, level translation from 3.3 V inputs to 2.5 V outputs is allowed. Similarly, if the device is operated from a 2.5 V supply and 2.5 V inputs are applied, the device will translate the outputs to 1.8 V. This makes the device suited to applications requiring level translation between different supplies, such as converter to DSP/microcontroller interfacing. REV. 0 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. 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 companies. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 www.analog.com Fax: 781/326-8703 © 2003 Analog Devices, Inc. All rights reserved. ADG3243–SPECIFICATIONS1 Parameter Symbol DC ELECTRICAL CHARACTERISTICS Input High Voltage VINH VINH Input Low Voltage VINL VINL Input Leakage Current II OFF State Leakage Current IOZ ON State Leakage Current Maximum Pass Voltage VP CAPACITANCE3 A Port Off Capacitance B Port Off Capacitance A, B Port On Capacitance Control Input Capacitance SWITCHING CHARACTERISTICS 3 Propagation Delay A to B or B to A, t PD4 Propagation Delay Matching 5 Bus Enable Time BEx to A or B6 Bus Disable Time BEx to A or B6 Bus Enable Time BEx to A or B6 Bus Disable Time BEx to A or B6 Maximum Data Rate Channel Jitter DIGITAL SWITCH On Resistance On Resistance Matching POWER REQUIREMENTS VCC Quiescent Power Supply Current Increase in ICC per Input7 (VCC = 2.3 V to 3.6 V, GND = 0 V, all specifications TMIN to TMAX, unless otherwise noted.) Conditions Min VCC = 2.7 V to 3.6 V VCC = 2.3 V to 2.7 V VCC = 2.7 V to 3.6 V VCC = 2.3 V to 2.7 V 2.0 1.7 0 ≤ A, B ≤ VCC 0 ≤ A, B ≤ VCC VA/VB = VCC = 3.3 V, IO = –5 µA VA/VB = VCC = 2.5 V, IO= –5 µA CA OFF CB OFF CA, CB ON CIN f = 1 MHz f = 1 MHz f = 1 MHz f = 1 MHz tPHL, tPLH CL = 50 pF, VCC = 3 V tPZH, tPZL tPHZ, tPLZ tPZH, tPZL tPHZ, tPLZ VCC = 3.0 V to 3.6 V VCC = 3.0 V to 3.6 V VCC = 2.3 V to 2.7 V VCC = 2.3 V to 2.7 V VCC = 3.3 V; VA/VB = 2 V VCC = 3.3 V; VA/VB = 2 V RON ⌬RON VCC = 3 V, VA = 0 V, IBA = 8 mA VCC = 3 V, VA = 1.7 V, IBA = 8 mA VCC = 2.3 V, VA = 0 V, IBA = 8 mA VCC = 2.3 V, VA = 1 V, IBA = 8 mA VCC = 3 V, VA = 0 V, IA = 8 mA ICC ⌬ICC Digital Inputs = 0 V or V CC VCC = 3.6 V, BE0 = 3.0 V, BE1 = VCC or GND 2.0 1.5 B Version Typ2 Max ± 0.01 ± 0.01 ± 0.01 2.5 1.8 0.8 0.7 ±1 ±1 ±1 2.9 2.1 3.5 3.5 7 4 1 1 1 1 Unit V V V V µA µA µA V V pF pF pF pF 225 5 4.6 4 4 3.4 ps ps ns ns ns ns Gbps ps p-p 4.5 12 5 9 0.1 8 28 9 18 0.5 Ω Ω Ω Ω Ω 0.01 0.15 3.6 1 8 V µA µA 3.2 3 3 2.5 1.5 45 2.3 NOTES 1 Temperature range is as follows: B Version: –40°C to +85°C. 2 Typical values are at 25°C, unless otherwise stated. 3 Guaranteed by design, not subject to production test. 4 The digital switch contributes no propagation delay other than the RC delay of the typical R ON of the switch and the load capacitance when driven by an ideal voltage source. Since the time constant is much smaller than the rise/fall times of typical driving signals, it adds very little propagation delay to the system. Propagation delay of the digital switch when used in a system is determined by the driving circuit on the driving side of the switch and its interaction with the load on the driven side. 5 Propagation delay matching between channels is calculated from the on resistance matching and load capacitance of 50 pF. 6 See Timing Measurement Information section. 7 This current applies to the control pin BEx only. The A and B ports contribute no significant ac or dc currents as they transition. Specifications subject to change without notice. –2– REV. 0 ADG3243 ABSOLUTE MAXIMUM RATINGS* PIN CONFIGURATION 8-Lead SOT-23 (TA = 25°C, unless otherwise noted.) VCC to GND . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to +4.6 V Digital Inputs to GND . . . . . . . . . . . . . . . . . –0.5 V to +4.6 V DC Input Voltage . . . . . . . . . . . . . . . . . . . . . –0.5 V to +4.6 V DC Output Current . . . . . . . . . . . . . . . . . 25 mA per Channel Operating Temperature Range Industrial (B Version) . . . . . . . . . . . . . . . . –40°C to +85°C Storage Temperature Range . . . . . . . . . . . . –65°C to +150°C Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C ␪JA Thermal Impedance . . . . . . . . . . . . . . . . . . . . . 206°C/Ω Lead Temperature, Soldering (10 sec) . . . . . . . . . . . . . 300°C IR Reflow, Peak Temperature (