RDA Microelectronics, Inc.

RDA5876 Datasheet V1.2

Page 14 of 22

9 FM Section Receiver Characteristics

Table 9-1Receiver Characteristics (VBAT = 4.0 V, VIO= 3.0V, TA = 25 °C, unless otherwise specified)

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

General specifications

Fin

FM Input Frequency Range

Adjust BAND Register

50

115

MHz

50MHz

-

1.4

1.8

65MHz

-

1.2

1.5

88MHz

-

1.2

1.5

98MHz

-

1.3

1.5

108MHz

-

1.3

1.5

Vrf

Sensitivity

1,2,3

S/N=26dB

115MHz

-

1.3

1.8

μV EMF

IP3in

Input IP3

4

AGCD=1

80

-

-

dB

μV

αam

AM Suppression

1,2

m=0.3

60

-

-

dB

S200

Adjacent Channel Selectivity

±

200KHz

50

70

-

dB

S400

400KHz Selectivity

±

400KHz

60

85

-

dB

VAFL; VAFR

Audio L/R Output Voltage

1,2

(Pins LOUT and ROUT)

Volume [3:0] =1111

-

360

-

mV

Mono

2

55

57

-

S/N

Maximum Signal to Noise

Ratio

1,2,3,5

Stereo

6

53

55

-

dB

αSCS

Stereo Channel Separation

35

-

-

dB

RL

Audio Output Loading

Resistance

Single-ended

32

-

-

Ω

Rload=1KΩ

-

0.15

0.2

THD

Audio Total Harmonic

Distortion

1,3,6

Volume[3:0]

=1111

Rload=32Ω

-

0.2

-

%

αAOI

Audio Output L/R

Imbalance

1,6

-

-

0.05

dB

Rmute

Mute Attenuation Ratio

1

Volume[3:0]=0000

60

-

-

dB

Low Freq

9

-

100

-

BWaudio

Audio Response

1

1KHz=0dB

±3

dB point

High Freq

-

14

-

Hz

Pins LNAN, LNAP, LOUT, ROUT and NC(22,23)

Vcom_rfin

Pins

LNAN/LNAP

Input

Common Mode Voltage

0

V

Vcom

Audio Output Common Mode

Voltage

8

1.0

1.05

1.1

V

Vcom_nc

Pins NC ( 22,23 ) Common

Mode Voltage

Floating

V

Notes:1. F

in=65 to 115MHz; Fmod=1KHz; de-emphasis=75μs; MONO=1; L=R unless noted otherwise;

2.

Δf=22.5KHz;

3. BAF = 300Hz to 15KHz, RBW <=10Hz;

4. |f2-f1|>1MHz, f0=2xf1-f2, AGC disable, Fin=76 to 108MHz;

5. PRF=60dBUV;

6.

Δf=75KHz,fpilot=10%

7. Measured at VEMF = 1 m V, f RF = 65 to 108MHz

8. At LOUT and ROUT pins

9. Adjustable