ADG749BKS Analog Devices, ADG749BKS Datasheet

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ADG749BKS

Manufacturer Part Number
ADG749BKS
Description
CMOS Low Voltage 2.5ohm SPDT Switch In SC70 Package
Manufacturer
Analog Devices
Datasheet

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a
GENERAL DESCRIPTION
The ADG749 is a monolithic CMOS SPDT switch. This switch
is designed on a submicron process that provides low power
dissipation yet gives high switching speed, low on resistance and
low leakage currents.
The ADG749 can operate from a single supply range of 1.8 V to
5.5 V, making it ideal for use in battery-powered instruments and
with the new generation of DACs and ADCs from Analog Devices.
Each switch of the ADG749 conducts equally well in both
directions when on. The ADG749 exhibits break-before-make
switching action.
Because of the advanced submicron process, –3 dB bandwidths
of greater than 200 MHz can be achieved.
The ADG749 is available in a 6-lead SC70 package.
2.5
PRODUCT HIGHLIGHTS
1. 1.8 V to 5.5 V Single Supply Operation. The ADG749
2. Very Low R
3. On-Resistance Flatness (R
4. –3 dB Bandwidth >200 MHz.
5. Low Power Dissipation. CMOS construction ensures low
6. Fast t
7. Tiny 6-lead SC70 package.
offers high performance, including low on resistance and
fast switching times, and is fully specified and guaranteed
with 3 V and 5 V supply rails.
operation, R
power dissipation.
SPDT Switch In SC70 Package
ON
/t
OFF.
FUNCTIONAL BLOCK DIAGRAM
ON
ON
(5 Ω max at 5 V, 10 Ω max at 3 V). At 1.8 V
is typically 40 Ω over the temperature range.
S2
SWITCHES SHOWN FOR
S1
IN
A LOGIC "1" INPUT
CMOS Low Voltage
ADG749
FLAT(ON)
) (0.75 Ω typ).
D
ADG749

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ADG749BKS Summary of contents

Page 1

... The ADG749 can operate from a single supply range of 1 5.5 V, making it ideal for use in battery-powered instruments and with the new generation of DACs and ADCs from Analog Devices. Each switch of the ADG749 conducts equally well in both directions when on. The ADG749 exhibits break-before-make switching action. Because of the advanced submicron process, – ...

Page 2

ADG749–SPECIFICATIONS Parameter ANALOG SWITCH Analog Signal Range On Resistance ( Resistance Match Between Channels (∆ On-Resistance Flatness (R ) FLAT(ON) 2 LEAKAGE CURRENTS Source OFF Leakage I (OFF) S Channel ON Leakage ...

Page 3

SPECIFICATIONS (V DD Parameter ANALOG SWITCH Analog Signal Range On Resistance ( Resistance Match Between Channels (∆ On-Resistance Flatness (R ) FLAT(ON) 2 LEAKAGE CURRENTS Source OFF Leakage I (OFF) S Channel ON Leakage ...

Page 4

... GND 3 4 Model Temperature Range ADG749BKS –40°C to +85°C Brand = Brand on these packages is limited to three characters due to space constraints. CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. ...

Page 5

5.0 4 3.5 3.0 2 5.0V DD 2.0 1.5 1.0 0 0.5 1.0 1.5 2.0 2.5 3.0 3 ...

Page 6

ADG749 Test Circuits ...

Page 7

... APPLICATIONS INFORMATION The ADG749 belongs to Analog Devices’ new family of CMOS switches. This series of general purpose switches have improved switching times, lower on resistance, higher band- widths, low power consumption and low leakage currents. ADG749 Supply Voltages Functionality of the ADG749 extends from 1 5.5 V single ...

Page 8

ADG749 0.039 (1.00) 0.031 (0.80) OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 6-Lead Plastic Surface Mount Package (SC70) (KS-6) 0.087 (2.20) 0.071 (1.80 0.053 (1.35) 0.094 (2.40) 0.045 (1.15) 0.071 (1.80 PIN 1 ...

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