SM8222AP datasheet(8/15 Pages) NPC

8 / 15 page

SM8222A/B

NIPPON PRECISION CIRCUITS—8

Input Stage Ampliﬁer Characteristics

SM8222A

VDD = 3.0 ± 0.3 V, GND = 0 V, fCLK = 3.579545 MHz, Ta = −20 to 85 °C

SM8222B

VDD = 5.0 ± 0.5 V, GND = 0 V, fCLK = 3.579545 MHz, Ta = −20 to 85 °C

Timing Characteristics

FSK decoder

SM8222A

VDD = 3.0 ± 0.3 V, GND = 0 V, fCLK = 3.579545 MHz, Ta = −20 to 85 °C

SM8222B

VDD = 5.0 ± 0.5 V, GND = 0 V, fCLK = 3.579545 MHz, Ta = −20 to 85 °C

P arameter

Symbol

Condition

Rating

Unit

min

typ

m a x

Input leakage current

IIN

––1

µA

Input resistance

RIN

–

TBD

–

Ω

DC open loop voltage gain

AVOL

TBD

–

Unity gain frequency

TBD

–

MHz

Maximum load capacitance

–

TBD

Maximum load resistance

–

Ω

P arameter

Symbol

Condition

Rating

Unit

min

typ

m a x

Input leakage current

IIN

––1

µA

Input resistance

RIN

–

TBD

–

Ω

DC open loop voltage gain

AVOL

TBD

–

Unity gain frequency

TBD

–

MHz

Maximum load capacitance

–

TBD

Maximum load resistance

–

Ω

P arameter

Symbol

Condition

Rating

Unit

min

typ

m a x

Power-down release to oscillator start

time

tDOSC

–5–

Carrier detect ON time

tDAQ

2.5

–

Final data to carrier detect OFF time

tDCH

3.75

–

11.25

P arameter

Symbol

Condition

Rating

Unit

min

typ

m a x

Power-down release to oscillator start

time

tDOSC

–5–

Carrier detect ON time

tDAQ

2.5

–

Final data to carrier detect OFF time

tDCH

3.75

–

11.25

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