FSA1258AL8X datasheet(4/10 Pages) FAIRCHILD

Part #	FSA1258AL8X

Description	Low-RON Low-Voltage, Dual SPST Analog Switch with Low-ICCT ?쏛??Option

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

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FSA1256(A) / FSA1257(A) / FSA1258(A) Rev. 1.0.5

4

DC Electrical Characteristics

All typical values are at 25ºC unless otherwise specified. The 1.65V to 1.95V range applies to FSA1256, FSA1257,

and FSA1258 only.

TA=+25°C

TA=-40 to

+85°C

Symbol

Parameter

Conditions

VCC (V)

Min.

Typ. Max. Min.

Max.

Unit

4.5 to 5.5

2.4

2.7 to 3.6

2.0

VIH

Input Voltage High

(3)

1.65 to 1.95

0.9

V

4.5 to 5.5

0.8

FSA1256A, FSA1257A,

FSA1258A Only

2.7 to 3.6

0.4

2.7 to 3.6

0.6

VIL

Input Voltage Low

(3)

FSA1256, FSA1257,

FSA1258 Only

1.65 to 1.95

0.4

V

IIN

Control Input Leakage

(S)

VIN=0 to VCC

1.95 to 5.5

-1

1

µA

INO(0FF) ,

INC(0FF)

Off Leakage Current

A=1V, 4.5V

1B or 2B=1V, 4.5V

5.5

-2

2

-20

20

nA

IOUT=100mA, 1B or

2B=3.5V

4.5

0.95

1.15

1.30

IOUT=100mA, 1B or

2B=1.5V

2.7

2.6

4.0

4.3

RON

Switch On

Resistance

(3,4)

IOUT=100mA, 1B or

2B=1.2V

1.65

8.0

9.5

10.5

Ω

∆RON

On Resistance

Matching Between

Channels

(3,5)

IOUT=100mA, 1B or

2B=3.5V

4.5

0.06

0.12

0.15

Ω

IOUT=100mA, 1B or

2B=0V, 1.0V, 2.0V

4.5

0.2

0.3

0.4

IOUT=100mA, 1B or

2B=0V, 0.75V, 1.5V

2.7

1.4

RFLAT(ON)

On Resistance

Flatness

(3,6)

IOUT=100mA, 1B or

2B=0V, 1.0V, 1.2V

1.65

1.8

Ω

5.5

0.1

0.5

1.0

ICC

Quiescent Supply

Current

VIN=0V or VCC, IOUT=0V

3.6

0.1

0.5

1.0

µA

ICCT

Increase in Icc per Input

One Input at 2.6V,

Others at VCC or GND

(FSA1256A, FSA1257A,

FSA1258A Only)

4.3

0.2

10.0

µA

Notes:

3.

Guaranteed, but not tested for Vcc=1.65V.

4.

On resistance is determined by the voltage drop between A and B pins at the indicated current through the switch.

5.

∆ RON=RON max – RON min measured at identical Vcc, temperature, and voltage.

6.

Flatness is defined as the difference between the maximum and minimum value of on resistance (RON) over the

specified range of conditions.

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