UAA3220 Просмотр технического описания (PDF) - Philips Electronics

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UAA3220

Frequency Shift Keying (FSK)/Amplitude Shift Keying (ASK) receiver

Philips Electronics 

Philips Semiconductors

Frequency Shift Keying (FSK)/Amplitude

Shift Keying (ASK) receiver

Product specification

UAA3220TS

SYMBOL

PARAMETER

CONDITIONS

MIN. TYP. MAX. UNIT

Demodulator

VDEMO1,2

DC voltage at pins 10 and 11

VDEMO1(ASK) DC voltage at pin 10 to switch in

ASK mode

independent of oscillator; 2.00

note 5

0

2.24 2.48 V

−

300 mV

Data filter and slicer

VCPA,CPB,CPC DC voltage at pins 15, 16 and 17

ASK mode

FSK mode; note 6

1.27

1.42 1.57 V

1.81

2.01 2.21 V

VOH(DATA)

VOL(DATA)

HIGH-level output voltage at pin 14 IDATA = −10 µA

LOW-level output voltage at pin 14 IDATA = 200 µA

VCC − 0.5 −

0

−

VCC

V

0.6

V

Notes

1. For fi(RF) = 868.35 MHz all values + 0.6 mA.

2. Crystal connected; oscillator and multiplier active.

3. Pin DEMO1 connected to pin DEMO2 via tank circuit.

4. Pin DEMO1 short circuited to ground.

5. The given values are applicable for FSK reception mode. In ASK mode pin 10 is short circuited to ground.

6. No modulation and fIF = 10.7 MHz.

1999 Jan 22

9

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