ADG936 Wideband 4 GHz, 36 dB Isolation at 1 GHz, CMOS 1.65 V to 2.75 V, Dual SPDT ADG936 ADG936- R User's Manual and Specifications Sheet

查询ADG936BCP-500RL7供应商

Wideband 4 GHz, 36 d B Isolation at 1 GHz, FF IS LA TI (d

CMOS 1.65 V to 2.75 V, Dual SPDT

ADG936/ADG936-R FEATURES FUNCTIONAL BLOCK DIAGRAMS Wideband switch: −3 d B @ 4 GHz

RF1A RF1A

ADG936 absorptive dual SPDT ADG936-R reflective dual SPDT RFCA RFCA

High off isolation (36 d B @ 1 GHz)

RF2A RF2A

Low insertion loss (0.9 d B dc to 1 GHz)

Single 1.65 to 2.75 V power supply INA INA CMOS/LVTTL control logic 50Ω ADG936-R

ADG936

20-lead TSSOP and 4 mm × 4 mm LFCSP package RF1B

Low power consumption (1 µA max)

RFCB RFCB

APPLICATIONS 50Ω Wireless communications RF2B

General-purpose RF switching

3- 0- INB INB

Dual-band applications

High speed filter selection Digital transceiver front end switch

Figure 1. Figure 2.

IF switching

IN SE TI SS (d

Tuner modules Antenna diversity switching

GENERAL DESCRIPTION

LVTTL compatible. The low power consumption of these

The ADG936/ADG936-R are wideband analog switches that

CMOS devices makes them ideally suited for wireless

comprise two independently selectable SPDT switches using a

applications and general-purpose high frequency switching.

CMOS process to provide high isolation and low insertion loss to 1 GHz. The ADG936 is an absorptive/matched dual SPDT

PRODUCT HIGHLIGHTS

with 50 Ω terminated shunt legs; the ADG936-R is a reflective

1. –36 d B off isolation @ 1 GHz. 3- 0-

dual SPDT. These devices are designed such that the isolation is high over the dc to 1 GHz frequency range. They have on-board

2. 0.9 d B insertion loss @ 1 GHz.

CMOS control logic, eliminating the need for external

controlling circuitry. The control inputs are both CMOS and 3. 20-lead TSSOP and 4 mm × 4 mm LFCSP package.

VDD = 2.5V –0.4 –0.5

TA = 25°C –0.6 –20 –0.7

–1.5 –1.6 VDD = 2.5V

–70 –2.6 –2.7 –2.8 –2.9 TA = 25°C –80 –3.0

FREQUENCY (Hz) FREQUENCY (Hz)

Figure 3. Off Isolation vs. Frequency Figure 4. Insertion Loss vs. Frequency

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.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

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 Tel: 781.329.4700 www.analog.com registered trademarks are the property of their respective owners. Fax: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved.