RDA5820 Ver la hoja de datos (PDF) - Unspecified
Número de pieza
componentes Descripción
fabricante
RDA5820 Datasheet PDF : 28 Pages
| |||
RDA Microelectronics, Inc.
4. |f2-f1|>1MHz, f0=2xf1-f2, AGC disable, Fin=76 to 108MHz;
5. PRF=60dBUV;
6. ∆f=75KHz.
7. Measured at VEMF = 1 m V, f RF = 76 to 108MHz
8. At LOUT and ROUT pins
RDA5820 FM Transceiver V1.3
6 Transmitter Characteristics
Table 6-1 Transmitter Characteristics
(VDD = 2.7 to 5.5 V, TA = -25 to 85 °C, unless otherwise specified)
SYMBOL
PARAMETER
General specifications
CONDITIONS
MIN TYP
Frf
Transmit Frequency
65
△F
VRF
VRF
Ctune
Ctune
Transmit Frequency Accuracy
and Stability2,3
Maximum Transmit Voltage
Minimum Transmit Voltage
Transmit Voltage Step
Transmit Voltage Stability
Transmit Channel
Edge Power
Transmit Adjacent
Channel Power
Transmit Alternate
Channel Power
Transmit Emissions
Output Capacitance Max
Output Capacitance Min
Pre-emphasis
Time Constant
Audio SNR Mono
Audio SNR Stereo
Audio THD Mono
Audio THD Stereo
PA_GAIN=[111111]
PA_GAIN=[000000]
>±100KHz
Pre-emphasis off
>±200KHz
Pre-emphasis off
>±400KHz
Pre-emphasis off
In band(76 to 108MHz)
TX_PREMPHASIS=75 us
TX_PREMPHASIS=50 us
△f=22.5KHz,Mono
Limiter off
△f=22.5KHz,
△fpolit=6.75KHz,
Stereo
Limiter off
△f=75KHz,Mono
Limiter off
△f=68.25KHz,
△fpolit=6.75KHz,
Stereo
Limiter off
2.6
3
-30
3
1
40
3
70
75
45
50
55
60
51
56
0.3
0.3
MAX
108
-60
-60
-60
-50
80
55
0.6
0.6
UNIT
MHz
KHz
dBm
dBm
dBm
dB
dBc
dBc
dBc
dBc
pF
pF
us
us
dB
dB
%
%
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 8 of 28
Share Link: 