FSA2859UCX

FSA2859UCX Datasheet


FSA2859 Dual-Voltage, DPDT Analog Switch with Power-Off Isolation

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FSA2859UCX FSA2859UCX FSA2859UCX (pdf)
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FSA2859 Dual-Voltage, DPDT Analog Switch with Power-Off Isolation

August 2008

FSA2859 Dual-Voltage, DPDT Analog Switch with

Power-Off Isolation

Power-Off Isolation VCC=0V Maximum On Resistance RON for 4.5V VCC Maximum RON Flatness for 4.5V VCC Broad VCC Operating Range 1.65V to 5.5V Fast Turn-On and Turn-Off Times Control Input Referenced to VIO Break-Before-Make Enable Circuitry 0.5mm WLCSP packaging ESD Performance
- HBM JESD22-A114, I/O to GND 8kV
- CDM JESD22-C101
500V
- IEC61000-4-2 Contact / Air 8kV / 15kV

Cellular Phone Portable Media Player PDA

The FSA2859 is a high-performance Double-Pole / Double-Throw DPDT analog switch for audio applications driven by low voltage 1.8V baseband processors or ASICs. The device features ultra-low RON of maximum at 4.5V VCC and operates over the wide VCC range of 1.65V to 5.5V. The device is fabricated with sub-micron CMOS technology to achieve fast switching speeds and is designed for break-before-make operation.

The FSA2859 interfaces between the low-voltage ASIC and regular audio amplifiers and CODECs operating up to the supply range of 5.5V through the dual-voltage supplies of VIO and VCC. The VIO supply operates the control circuitry, allowing for 1.8V typical signals on the control pin Sn .

IMPORTANT NOTE:

For additional performance information, please contact
Ordering Information

Operating Temperature Range

Top Mark

FSA2859UCX
-40°C to +85°C

Eco Status Green

Package
12-Ball WLCSP, 0.5mm pitch

Packing Method

Tape and Reel

For Fairchild’s definition of “green” Eco Status, please visit:

Analog Symbols

Control
1A 1B1
2B0 2A
2B1 GND

Figure Analog Symbol

FSA2859 Dual-Voltage, DPDT Analog Switch with Power-Off Isolation

Marking Information

Pin Configuration

KK = Die Run Code X = Year Y = Work Week Z = Assembly Site

Figure Top Mark with Pin 1 Orientation

Pin Definitions

D3 3 S0

C3 4 1B1

D2 2 VIO

C2 5 GND

D1 1 S1

C1 6 2B1

B3 9 1A

B2 8 GND

B1 7 2A

A3 10 1B0

A2 11 VCC

A1 12 2B0

Figure Pin Assignments Top Through View

Ball

Name

Truth Table

Control Input S0,S1

S0 = Low S1 = Low
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Datasheet ID: FSA2859UCX 515477