Analog Switch / Multiplexer (Mux) IC

 

ADG715BRU

Manufacturer Part NumberADG715BRU
DescriptionAnalog Switch / Multiplexer (Mux) IC
ManufacturerAnalog Devices Inc
TypeAnalog Switch
ADG715BRU datasheets

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Specifications of ADG715BRU

Analog Switch TypeSPSTNo. Of Channels8
Operating Temperature Range-40°C To +85°CAnalog Switch Case StyleTSSOP
No. Of Pins24Mounting TypeSurface Mount
Rohs StatusRoHS non-compliantFunctionSwitch
Circuit8 x SPST - NOOn-state Resistance4.5 Ohm
Voltage Supply SourceSingle, Dual SupplyVoltage - Supply, Single/dual (±)2.7 V ~ 5.5 V, ±1.35 V ~ 2.5 V
Current - Supply10µAOperating Temperature-40°C ~ 85°C
Package / Case24-TSSOP (0.173", 4.40mm Width)Peak Reflow Compatible (260 C)No
Leakage Current0.3nARohs CompliantNo
Package24TSSOPMaximum On Resistance11@3V Ohm
Maximum High Level Output Current30 mAMaximum Turn-off Time124(Typ)@±2.5V ns
Maximum Turn-on Time133(Typ)@±2.5V nsSwitch ArchitectureSPST
Power Supply TypeSingle|Dual  
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a
FEATURES
ADG714 SPI™/QSPI™/MICROWIRE™-Compatible Interface
2
ADG715 I
C™-Compatible Interface
2.7 V to 5.5 V Single Supply
2.5 V Dual Supply
2.5
On Resistance
0.6
On Resistance Flatness
100 pA Leakage Currents
Octal SPST
Power-On Reset
Fast Switching Times
TTL/CMOS-Compatible
Small TSSOP Package
APPLICATIONS
Data Acquisition Systems
Communication Systems
Relay Replacement
Audio and Video Switching
GENERAL DESCRIPTION
The ADG714/ADG715 are CMOS, octal SPST (single-pole,
single-throw) switches controlled via either a 2- or 3-wire serial
interface. On resistance is closely matched between switches and
very flat over the full signal range. Each switch conducts equally
well in both directions and the input signal range extends to the
supplies. Data is written to these devices in the form of 8 bits,
each bit corresponding to one channel.
The ADG714 uses a 3-wire serial interface that is compatible
with SPI , QSPI, and MICROWIRE and most DSP interface
standards. The output of the shift register DOUT enables a
number of these parts to be daisy chained.
The ADG715 uses a 2-wire serial interface that is compatible
2
with the I
C interface standard. The ADG715 has four hard wired
addresses, selectable from two external address pins (A0 and A1).
This allows the 2 LSBs of the 7-bit slave address to be set by
the user. A maximum of four of these devices may be connected
to the bus.
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corporation.
2
I
C is a trademark of Philips Corporation.
REV. B
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.
Serially Controlled, Octal SPST Switches
FUNCTIONAL BLOCK DIAGRAMS
ADG714
S1
S2
S3
S4
S5
S6
S7
S8
INPUT SHIFT
REGISTER
SCLK DIN SYNC RESET
On power-up of these devices, all switches are in the OFF con-
dition, and the internal registers contain all zeros.
Low power consumption and operating supply range of 2.7 V to
5.5 V make this part ideal for many applications. These parts
may also be supplied from a dual ± 2.5 V supply. The ADG714
and ADG715 are available in a small 24-lead TSSOP package.
PRODUCT HIGHLIGHTS
1. 2- or 3-wire serial interface
2. Single/dual supply operation. The ADG714 and ADG715
are fully specified and guaranteed with 3 V, 5 V, and ± 2.5 V
supply rails.
3. Low on resistance, typically 2.5 Ω
4. Low leakage
5. Power-on reset
6. Small 24-lead TSSOP package
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
CMOS, Low Voltage
ADG714/ADG715
ADG715
D1
D1
S1
D2
D2
S2
D3
D3
S3
S4
D4
D4
S5
D5
D5
S6
D6
D6
D7
S7
D7
D8
D8
S8
INTERFACE
DOUT
LOGIC
RESET
SDA
SCL
A0
A1
www.analog.com
© Analog Devices, Inc., 2002

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ADG715BRU Summary of contents

  • Page 1

    FEATURES ADG714 SPI™/QSPI™/MICROWIRE™-Compatible Interface 2 ADG715 I C™-Compatible Interface 2 5.5 V Single Supply 2.5 V Dual Supply 2.5 On Resistance 0.6 On Resistance Flatness 100 pA Leakage Currents Octal SPST Power-On Reset Fast Switching Times TTL/CMOS-Compatible ...

  • Page 2

    ADG714/ADG715–SPECIFICATIONS Parameter ANALOG SWITCH Analog Signal Range On Resistance ( Resistance Match Between Channels (∆R On Resistance Flatness (R ) FLAT(ON) LEAKAGE CURRENTS Source OFF Leakage I (OFF) S Drain OFF Leakage I (OFF) D Channel ON ...

  • Page 3

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

  • Page 4

    ADG714/ADG715–SPECIFICATIONS DUAL SUPPLY (V = +2 Parameter ANALOG SWITCH Analog Signal Range On Resistance ( Resistance Match Between Channels (∆R On Resistance Flatness (R ) FLAT(ON) LEAKAGE CURRENTS Source OFF Leakage I (OFF) ...

  • Page 5

    ADG714 TIMING CHARACTERISTICS Parameter Limit MIN f 30 SCLK 4 ...

  • Page 6

    ADG714/ADG715 ADG715 TIMING CHARACTERISTICS Parameter Limit MIN MAX f 400 SCL 100 0 0 0.6 ...

  • Page 7

    ... Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . 150°C Model Temperature Range ADG714BRU –40°C to +85°C ADG715BRU –40°C to +85°C 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. Although the ADG714/ADG715 feature proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges ...

  • Page 8

    ADG714/ADG715 Pin No. Mnemonic Description 1 SCLK Serial Clock Input. Data is clocked into the input shift register on the falling edge of the serial clock input. These devices can accommodate serial input rates MHz. 2 ...

  • Page 9

    V Most positive power supply potential Most negative power supply in a dual supply SS application. In single supply applications, this should be tied to ground. I Positive Supply Current DD I Negative Supply Current SS GND Ground ...

  • Page 10

    ADG714/ADG715 –Typical Performance Characteristics DRAIN OR SOURCE VOLTAGE – ...

  • Page 11

    (ON (OFF) I (OFF –0.02 –0.04 0 0.5 1.0 1.5 VOLTAGE – V TPC 7. Leakage Currents as a Function of V 0.04 0. (OFF) S ...

  • Page 12

    ADG714/ADG715 –40 –50 –60 –70 –80 –90 –100 30k 100k 1M FREQUENCY – Hz TPC 13. Crosstalk vs. Frequency +2. –2.5V SS –5 –10 –15 –20 –3 –2 ...

  • Page 13

    The 2-wire serial bus protocol operates as follows: 1. The master initiates data transfer by establishing a START condition, which is when a high-to-low transition on the SDA line occurs while SCL is high. The following byte is the address ...

  • Page 14

    ADG714/ADG715 APPLICATIONS Multiple Devices On One Bus Figure 6 shows four ADG715 devices on the same serial bus. Each has a different slave address since the state of their A0 and A1 pins is different. This allows each switch to ...

  • Page 15

    SPI bus. Figure 8 illustrates the ADG739 and mul- tiple ADG714s in such a typical configuration. All devices receive the same serial clock and serial data, but only one device will receive the SYNC signal at any ...

  • Page 16

    ADG714/ADG715 24-Lead Thin Shrink Small Outline Package [TSSOP] PIN 1 0.15 0.05 Revision History Location 11/02—Data Sheet changed from REV REV. B. Edits to FEATURES . . . . . . . . . . . . . ...

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