LR1553 datasheet(4/8 Pages) LRC

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AC ELECTRICAL CHARACTERISTICS

Vcc TA = +25℃

TA = -40 to+ 85℃

Figure

Symbol Parameter

Test Conditions

(v)

Min

Typ Max Min

Max

Unit

tPHL

tPLH

Propagation Delay

Bus to Bus (Note 6)

VI = OPEN

2.7

4.5

2.0

0.3

tON

Output Enable Time

Turn On Time

(A to Bn)

B0 or B1 = 1.5 V,

RL= 50 , CL= 35 pF

Bo or BI = 3.0 V,

RL= 50 , CL = 35 pF

2.7

4.5

tOFF

Output Disable Time

Turn Off Time

(A Port to B Port)

B0 or B1 = 1.5 V,

RL= 50 , CL= 35 pF

Bo or BI = 3.0 V,

RL= 50 , CL = 35 pF

2.7

4.5

tBBM

Break Before Make

Time

B1=Vcc; B0=Vcc;

S=0-Vcc RL=50 , CL=

35 pF

2.7

4.5

Charge Injection

CL =1.0 nF, VGEN=0V

RGEN = 0

2.7

4.5

OIRR

Off Isolation

(Note 7)

RL=50

f = 1.0 MHz

2.7

5.5

XtaLk

Crosstalk

RL=50

f = 1.0 MHz

2.7

5.5

3 dB Bandwidth

VA=VCC*0.5+ac1,

RL=RS=50ohm

2.7

5.5

MHz

THD

Total Harmonic

Distortion

RL =600

VIS=0.5Vpp

f = 20 Hz to 20 kHz

2.7

5.5

0.01

6. This parameter is guaranteed by design but not tested. The bus switch contributes no propagation delay

other than the RC delay of the On Resistance of the switch and the 50pF load capacitance, when driven by an

ideal voltage source (zero output impedance).

7.Off Isolation = 20 log10 [VA/VBn].

CAPACITANCE (Note 8)

Symbol

Parameter

Test Conditions

Typ

Max

Unit

CIN

Select Pin Input Capacitance

Vcc= 0V, f=1MHz

CIOB

B Port Off Capacitance

Vcc=4.5V, f=1MHz

CIOA(ON)

A Port Capacitance when Switch is

Enabled

Vcc=4.5V, f=1MHz

8. TA = +25°C, f = 1 MHz, Capacitance is characteriz ed but not tested in production.

Leshan Radio Co ., Ltd

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