MC33596FCESLASHR2 datasheet(52/70 Pages) FREESCALE

52 / 70 page

MC33596 Data Sheet, Rev. 4

Electrical Characteristics

Freescale Semiconductor

Figure 40. FSK Sensitivity Variation Versus Frequency Deviation

19.3 Receiver Parameters

Operating supply voltage and temperature range see Table 3. Values refer to the circuit recommended in the application

schematics Figure 43 through Figure 46), unless otherwise specified. Typical values reflect average measurement at VCC = 3.0

V, TA = 25°C.

Parameter

Test Conditions

Comments

Limits

Unit

Min

Typ

Max

Receiver: IF filter, IF Amplifier, FM-to-AM Converter and Envelope Detector

3.1 IF center frequency

Refer to Section 8, “Frequency

Planning”.

—1.5

—

MHz

3.2 IF bandwidth at –3dB

—

380

—

kHz

3.3 IF cut-off low frequency at –3 dB

—

1.387

MHz

3.4 IF cut-off high frequency at –3 dB

1.635

—

MHz

3.12 Recovery time from strong signal OOK modulation, 2.4 kbps,

FAGC = 0, input signal from

–50 dBm to –100 dBm

—15—

Sensitivity Variation Versus Frequency Deviation

(Ref : 25°C, 3V, 434MHz, FSK +/-64kHz, 4800bps)

-1,0

-0,5

0,0

0,5

1,0

1,5

2,0

100

110

120

130

140

150

160

170

Frequency Deviation (kHz)

MC33596FCE/R2 Datasheet(PDF) 52 Page - Freescale Semiconductor, Inc

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