Datasheet

RDA Microelectronics, Inc. RDA5807M FM Tuner V1.1
The information contained herein is the exclusive property of RDA and shall not be distributed, reproduced, or disclosed in whole or in
part without prior written permission of RDA.
Page 6 of 22
4 Receiver Characteristics
Table 4-1 Receiver Characteristics
(VDD = 3 V, T
A
= 25 °C, unless otherwise specified)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNIT
General specifications
F
FM Input Frequency Range
in
Adjust BAND Register 50 115 MHz
V Sensitivity
rf
S/N=26dB
1,2,3
50MHz - 1.4 1.8
µ
V EMF
65MHz - 1.2 1.5
88MHz - 1.2 1.5
98MHz - 1.3 1.5
108MHz - 1.3 1.5
115MHz - 1.3 1.8
IP3
Input IP3
in
AGCD=1
4
80 - -
dB
µ
V
α
AM Suppression
am
m=0.3
1,2
60 - - dB
S
Adjacent Channel Selectivity
200
±200KHz 50 70 - dB
S
400KHz Selectivity
400
±400KHz 60 85 - dB
V
AFL
; V
Audio L/R Output Voltage
AFR
(Pins LOUT and ROUT)
1,2
Volume [3:0] =1111 - 360 - mV
S/N
Maximum Signal to Noise
Ratio
1,2,3,5
Mono 55
2
57 -
dB
Stereo 53
6
55 -
α
Stereo Channel Separation
SCS
35 - - dB
R
Audio Output Loading
Resistance
L
Single-ended 32 - -
Ω
THD
Audio Total Harmonic
Distortion
Volume[3:0]
=1111
1,3,6
R
load
- =1K
Ω
0.15 0.2
%
R
load
- =32
Ω
0.2 -
α
Audio Output L/R
Imbalance
AOI
1,6
- - 0.05 dB
R
Mute Attenuation Ratio
mute
Volume[3:0]=0000
1
60 - - dB
BW
Audio Response
audio
1KHz=0dB
±3dB point
1
Low Freq -
9
100 -
Hz
High Freq - 14 -
Pins FMIN, LOUT, ROUT
V
Pins FMIN
Input Common
Mode Voltage
com_rfin
0 V
V
Audio Output Common Mode
Voltage
com
8
1.0 1.05 1.1 V
Notes:1. F
in
=65 to 115MHz; F
mod
2. ∆f=22.5KHz; 3. B
=1KHz; de-emphasis=75µs; MONO=1; L=R unless noted otherwise;
AF
= 300Hz to 15KHz, RBW <=10Hz; 4. |f
2
-f
1
|>1MHz, f
0
=2xf
1
-f
2
, AGC disable, F
in
5. P
=76 to 108MHz;
RF
=60dB
U
V; 6. ∆f=75KHz,fpilot=10% 7. Measured at V
EMF
= 1 m V, f
RF
8. At LOUT and ROUT pins 9. Adjustable
= 65 to 108MHz