ADG788 Analog Devices, ADG788 Datasheet

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ADG788

Manufacturer Part Number
ADG788
Description
Manufacturer
Analog Devices
Datasheet

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a
GENERAL DESCRIPTION
The ADG786 and ADG788 are low voltage, CMOS devices
comprising three independently selectable SPDT (single pole,
double throw) switches and four independently selectable SPDT
switches respectively.
Low power consumption and operating supply range of 1.8 V to
5.5 V and dual 2.5 V make the ADG786 and ADG788 ideal
for battery powered, portable instruments and many other
applications. All channels exhibit break-before-make switch-
ing action preventing momentary shorting when switching
channels. An EN input on the ADG786 is used to enable or
disable the device. When disabled, all channels are switched OFF.
These multiplexers are designed on an enhanced submicron
process that provides low power dissipation yet gives high switch-
ing speed, very low on resistance, high signal bandwidths and
low leakage currents. On resistance is in the region of a few
ohms, is closely matched between switches and very flat over
the full signal range. These parts can operate equally well in
either direction and have an input signal range which extends to
the supplies.
The ADG786 and ADG788 are available in small 20-lead
chip scale packages.
2.5 , 1.8 V to 5.5 V, 2.5 V Triple/Quad
SPDT Switches in Chip Scale Packages
PRODUCT HIGHLIGHTS
1. Small 20-Lead 4 mm 4 mm Chip Scale Packages (CSP).
2. Single/Dual Supply Operation. The ADG786 and ADG788
3. Low On Resistance (2.5
4. Low Power Consumption (<0.01 W).
5. Guaranteed Break-Before-Make Switching Action.
S1B
S1A
S2A
S2B
D1
D2
are fully specified and guaranteed with 3 V
5 V
supply rails.
10% single supply rails, and 2.5 V
A0
FUNCTIONAL BLOCK DIAGRAMS
A1
LOGIC
ADG786
A2
SWITCHES SHOWN FOR A LOGIC “1” INPUT
EN
ADG786/ADG788
S3A
D3
S3B
typical).
S1A
S1B
S2B
S2A
IN1
IN2
D1
D2
ADG788
10% dual
10% and
S4A
D2
S4B
IN4
IN3
S3B
D3
S3A

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ADG788 Summary of contents

Page 1

... SPDT switches respectively. Low power consumption and operating supply range of 1 5.5 V and dual 2.5 V make the ADG786 and ADG788 ideal for battery powered, portable instruments and many other applications. All channels exhibit break-before-make switch- ing action preventing momentary shorting when switching channels ...

Page 2

... ADG786/ADG788–SPECIFICATIONS Parameter ANALOG SWITCH Analog Signal Range On Resistance ( On-Resistance Match between Channels ( On-Resistance Flatness (R ) FLAT(ON) LEAKAGE CURRENTS Source OFF Leakage I (OFF) S Channel ON Leakage (ON DIGITAL INPUTS Input High Voltage, V INH Input Low Voltage, V INL Input Current ...

Page 3

... MHz typ 11 pF typ 34 pF typ 0.001 A typ 1.0 A max ADG786/ADG788 Test Conditions/Comments mA Test Circuit ...

Page 4

... ADG786/ADG788–SPECIFICATIONS DUAL SUPPLY (V = +2 Parameter ANALOG SWITCH Analog Signal Range On Resistance ( On-Resistance Match between Channels ( On-Resistance Flatness (R ) FLAT(ON) LEAKAGE CURRENTS Source OFF Leakage I (OFF) S Channel ON Leakage (ON DIGITAL INPUTS Input High Voltage, V INH Input Low Voltage, V ...

Page 5

... 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. Although the ADG786/ADG788 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high-energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality ...

Page 6

... Crosstalk A measure of unwanted signal that is coupled through from one channel to another as a result of parasitic capacitance. On Response The Frequency Response of the “ON” Switch Insertion Loss The Loss Due to the ON Resistance of the Switch. Table II. ADG788 Truth Table Logic Switch A 0 OFF 1 ON TERMINOLOGY max – ...

Page 7

... A 0. (ON –0.05 I (OFF) S –0.10 –0.15 –3 –2 – –V ) – ADG786/ADG788 + – DRAIN OR SOURCE VOLTAGE – 0. ...

Page 8

... ADG786/ADG788 0. GND SS 0. 2.7V/ 1V/2.7V S 0.15 0.10 0. (ON –0.05 I (OFF) S –0. TEMPERATURE – C 10m GND SS 100 V = +2. –2. 100n V = GND DD 10n 0 100 1000 10000 FREQUENCY – kHz ...

Page 9

... S1B A0 ADG786 GND ADDRESS ADG786/ ADG788 D1 V GND SS 0 A0, A1, A2 for ADG786, IN1-4 for ADG788 I (OFF ADDRESS DRIVE V D1 OUT VS1A 35pF V 300 OUT VS1B VSS V SS ...

Page 10

... ADG786/ADG788 ADG786/ ADG788 EN GND IN * IN1–4 for ADG734 0 GND OFF ISOLATION = 20 LOG V DD 0.1 F NETWORK ANALYZER OUT GND LOGIC INPUT ( ...

Page 11

... TOP BSC SQ VIEW 0.028 (0.70) MAX 12 MAX 0.026 (0.65) NOM 0.035 (0.90) MAX 0.002 (0.05) 0.033 (0.85) NOM 0.0004 (0.01) 0.0 (0.0) SEATING 0.020 (0.50) 0.008 (0.20) PLANE BSC REF CONTROLLING DIMENSIONS ARE IN MILLIMETERS ADG786/ADG788 0.024 (0.60) 0.017 (0.42) 0.010 (0.25) 0.009 (0.24) MIN 0.024 (0.60) 0.017 (0.42 0.009 (0.24 0.012 (0.30) 0.089 (2.25) BOTTOM 0.009 (0.23) 0.083 (2.10) SQ VIEW ...

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