MAX349 datasheet(3/20 Pages) MAXIM

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Serially Controlled, Low-Voltage,

8-Channel/Dual 4-Channel Multiplexers

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ELECTRICAL CHARACTERISTICS—Dual Supplies (continued)

(V+ = +4.5V to +5.5V, V- = -4.5V to -5.5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)

2.4

C, E, M

VIH

DIN, SCLK, CS, RESET Input

Voltage Logic Threshold High

MAX350

-50

V+ = 5.5V,

V- = -5.5V,

VCOM = VNO =

±4.5V

COM On-Leakage Current

(Note 3)

ICOM(ON)

-5

C, E

MAX349

-0.2

0.02

0.2

TA = +25°C

-100

100

-10

C, E

DOUT Output Voltage Logic Low

VDOUT

IDOUT = -1.6mA

0.4

C, E, M

100

C, E, M

DOUT Output Voltage Logic High

VDOUT

SCLKHYST

IDOUT = 0.8mA

SCLK Input Hysteresis

2.8

V+

C, E, M

µA

-1

0.03

C, E, M

VDIN, VSCLK,

VCS = 0.8V or 2.4V

IIH, IIL

DIN, SCLK, CS, RESET Input

Current Logic High or Low

0.8

C, E, M

VIL

DIN, SCLK, CS, RESET Input

Voltage Logic Threshold Low

-0.2

0.001

0.2

TA = +25°C

Turn-On Time

tON

400

From rising edge of CS

C, E, M

200

275

TA = +25°C

-2

C, E, M

RL = 50Ω, CL = 15pF,

VNO = 1VRMS, f = 100kHz

Off-Isolation

VISO

Charge Injection (Note 4)

NO Off-Capacitance

COM Off-Capacitance

VCTE

CNO(OFF)

CCOM(OFF)

VCOM = GND, f = 1MHz

CL = 1nF, VNO = 0V, RS = 0Ω

Break-Before-Make Delay

tBBM

VNO = GND, f = 1MHz

TA = +25°C

110

From rising edge of CS

TA = +25°C

540

TA = +25°C

PARAMETER

SYMBOL

MIN

TYP

MAX

(Note 1)

UNITS

V+ Supply Current

I+

720

µA

V- Supply Current

I-

-1

0.1

µA

Turn-Off Time

tOFF

300

From rising edge of CS

C, E, M

150

TA = +25°C

DIN = CS = SCLK = 0V or V+,

RESET = 0V or V+

DIN = CS = SCLK = 0V or V+,

RESET = 0V or V+

Channel-to-Channel Crosstalk

VCT

< -90

RL = 50Ω, CL = 15pF,

VNO = 1VRMS, f = 100kHz

TA = +25°C

Switch On-Capacitance

C(ON)

> 90

C, E, M

TA = +25°C

Power-Supply Range

V+, V-

±3

±8

TA = +25°C

CONDITIONS

VCOM = VNO = GND,

f = 1MHz

TA = +25°C

DIGITAL I/O

SWITCH DYNAMIC CHARACTERISTICS

POWER SUPPLY

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