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Datasheet: YD2111 (No company)

3V AM/FM ONE CHIP TUNER IC?

 

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No company
YOUDA INTEGRATED CIRCUIT
YD2111
3V AM/FM ONE CHIP TUNER IC--YD2111
DESCRIPTION
The YD2111 are AM/FM 1 chip tuner ICs, which are designed for portable radios and 3V headphone radios.
FEATURES
*For NEW FCC.
*AM Detector coil, FM IFT, IF coupling condenser are not needed.
*For adopting ceramic discriminator, it is not necessary to adjust the FM quad detector circuit.
*Built-in FM MPX VCO circuit.
*Built-in varactor diode for AFC.
*Built-in AM low cut circuit.
*Low
supply
current.Vcc3V, Tamb=25
Iccq (FM)=9.0mA (typ.)
Iccq (AM)=5.0mA (typ.)
*Operating Supply Voltage Range: Vcc=1.87V
Tamb=25
BLOCK DIAGRAM
12
11
10
9
8
7
6
5
1
2
3
4
24
23
22
21
20
19
18
16
17
15
14
13
FM
RF
FM
MIX
AM
MIX
FM
OSC
AM
FM
AM
OSC
IF
AGC
IF
AM
DET
FM
DET
AF
AF
FM
MUTE
LEVEL
DET
TUN
LED
ST
LED
VCO
DIVIDE
DECODE
ST/MO
FM/AM
WuXi YouDa Electronics Co., Ltd
Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China
Tel: 86-510-85205117 86-510-85205106 Fax: 86-510-85205110 Website: www.e-youda.com
SHENZHEN OFFICE Tel 86-755-83740369 Fax 86-755-83741418
Ver 5.0 1 of 5 2006-7-10
YOUDA INTEGRATED CIRCUIT
YD2111
ABSOLUTE MAXIMUM RATINGS
(Tamb=25)
PARAMETER SYMBOL VALUE UNIT
Supply Voltage
V
CC
8
V
LED Current
ILED 10 mA
LED Voltage
VLED 8 V
YD2111N 1200
Power
Dissipation
YD2111F
P
D
Note
400
mW
Operating Temperature
Topr
-25+75
Storage Temperature
Tstg
-55+150
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, Tamb=25, V
CC
=3V, F/E : f=98MHz, fm=1kHz
FM IF : f=10.7MHz, f=22.5kHz, fm=1kHz
AM
: f=1MHz, MOD=30%, fm=1kHz
MPX :
fm=1kHz)
PARAMETER SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX UNIT
Icc(FM)
Vin=0, FM mode
9
12.5
Quiescent Circuit Current
Icc(AM)
Vin=0, AM mode
5
7.5
mA
Input Limiting Voltage
V
in
(lim)
-3dB
limiting
7
dB
V
F/E
Local OSC Voltage
V
OSC
f
OSC
=108.7 MHz
105
mV
Input Limiting Voltage
V
in
(lim)
IF
-3 dB limiting
35
40
45
dB
V
Recovered Output
Voltage
V
OD
Vin=80dBV
60 75 90 mV
Signal to Noise Ratio
S/N
Vin=80dBVF
65 dB
Total Harmonic
Distortion
THD
Vin=80dBV
0.2 %
AM Rejection Ration
AMR
Vin=80dBV
50 dB
LED on Sensitivity
V
L
I
L
=1mA
40 45 50
dB
V
FM
IF
Soft
Mute
Attenuation MUTE
Vin=0
20 dB




WuXi YouDa Electronics Co., Ltd 2 of 5 Website: www.e-youda.com
YOUDA INTEGRATED CIRCUIT
YD2111
Gain G
V
Vin=25dBV
18 35 70 mV
Recovered Output
Voltage
VOD Vin=60dBV
50 70 90 mV
Signal to Noise Ratio
S/N
Vin=60dBV
41 dB
Total Harmonic
Distortion
THD Vin=60dBV
0.7 %
AM
LED on Sensitivity
V
L
I
L
=1mA
23 28 33
dB
V
FM mode
0.75
Pin 18 Output Resistance
R18
AM mode
15.5
k
Input Resistance
R
IN
55 k
Output Resistance
R
OUT
5 k
Max Composite Signal
Input Voltage
Vin MAX
(Stereo)
L+R=90%, P=10%,
fm=1kHZ, THD=3%
700 mV
fm=100HZ
45
fm=1kHz 35 45
Separation Sep
L+R=180mV
P=20mV
fm=10kHz
45
dB
Monaural THD
Vin=200mV
0.3
Total
Harmonic
Distortion
Stereo THD
L+R=180mV
P=20mV
0.3
%
Voltage
Gain
GV
Vin=200mV
-2.5 -1 0.5 dB
Channel Balance
C.B.
Vin=200mV
-1.5
0
1.5
dB
OFF V
L
(ON)
8
12
mV
Stereo LED
Sensitivity
ON V
L
(OFF)
Pilot Input
3 6 mV
Stereo LED Hysteresis
V
H
LED
ON
OFF
2
Capture Range
C.R.
P=20mV
8 %
MPX
Signal to noise range
S/N
80
dB













WuXi YouDa Electronics Co., Ltd 3 of 5 Website: www.e-youda.com
YOUDA INTEGRATED CIRCUIT
YD2111
APPLICATION CIRCUIT
IF
LEVEL
11
DECODE
AGC
22
12
DET
10
21
DIVIDE
23
9
VCO
24
20
IF
RF
LED
16
3
FM
19
ST
ST/MO
AF
AM
2
OSC
13
AM
MIX
FM/AM
TUN
MUTE
15
18
1
8
14
4
LED
AM
FM
FM
DET
FM
7
FM
MIX
17
6
AM
FM
AF
5
AM
ANTENNA
AM RF
IN
OSC
MPX IN
LPF2
LPF1
DET
FM RF
OUT
VCO
STOP +
_
+
AM
FM
QUAD
ST LED
TUN LED
GND
FM IF
ANTENNA
BPF
FM RF
FM
+
_
+
_
CR
560
560
CF2
CF1
4.7F
330
0.47F
0.01F
0.01F
VCC
AGC
MIX OUT
AM
AM IF
AM OSC
DET OUT
AFC
RF VCC FM OSC
0.01F
T1
L2
L1
1000PF
1F
0.1F
L-OUT
R-OUT
VCC
4.7F
4.7F
L
R
OUT
OUT
1F
3.3F
33
IN
RFGND
LOW CUT
IN
+
-
_
IN
T2














WuXi YouDa Electronics Co., Ltd 4 of 5 Website: www.e-youda.com
YOUDA INTEGRATED CIRCUIT
YD2111
OUTLINE DRAWING















WuXi YouDa Electronics Co., Ltd 5 of 5 Website: www.e-youda.com
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