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Datasheet: YD2149 (No company)

AM/FM 1 CHIP TUNER IC

 

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No company
YOUDA INTEGRATED CIRCUIT
YD2149
AM/FM 1 CHIP TUNER IC--YD2149
FUNCTIONS
YD2149 are AM/FM 1 chip tuner ICs, which are designed for portable Radios and 3V Head phone Radios. This
is suitable for Digital Tuning System Applications. FM Local Oscillation Voltage is set up low relativity, for NEW
FCC.

For NEW FCC.
Suitable for combination with Digital Tuning System which is included IF Counter.
One terminal type AM/FM IF count output for IF counter of Digital Tuning system.
FM: 1.3375MHz(1/8 dividing)
AM: 450kHz
Built-in Mute Circuit for IF count output.
For adopting ceramic Discriminator,it is not necessary to adjust the FM Quad Detector Circuit.
Built-in FM MPX VCO circuit.
Built-in one terminal type AM/FM Local Oscillator Buffer Output for Digital Tuning System Applications.
Built-in 1/16 Pre-scaler for FM Local OSC Buffer.
Built-in AM Low cut circuit.
Low supply voltage range(Vcc=3V,Ta=25)
Iccq(FM)=13mA(Typ)
Iccq(FM)=8.5mA(Typ)
Operating Supply voltage range :Vcc=1.87V(Ta=25)













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 7 2006-7-10
YOUDA INTEGRATED CIRCUIT
YD2149
BLOCK DIAGRAM









WuXi YouDa Electronics Co., Ltd 2 of 7 Website: www.e-youda.com
YOUDA INTEGRATED CIRCUIT
YD2149
EXPLANATION OF TERMINALS
Pin
No.
CHARCTERISTIC
Pin
No.
CHARCTERISTIC
1 RF
GND 13 LPF2
2 FM-RF
IN 14 LPF1
3
AM LOW CUT
15
MPX IN
4
MIX OUT
16
DET OUT
5 V
CC
17 IF
REQ
6
AM IF IN
18
ST LED
7
FM IF IN
19
OSC OUT
8 GND 20
AM
OSC
9
AGC
(AM AGC)
21 FM
OSC
10
QUAD
22
AM RF IN
11 R-OUT 23 RF
VCC
12
L-OUT
24
FM RF OUT
MAXIMUM RATINGS
Tamb=25
CHARACTERSTIC SYMOL
RATING
UNIT
Supply V
CC
8
V
LED Current
ILED
10
mA
LED Votage
VLED
8
V
YD2111N 1200
Power
Dissipation YD2111F
PDNote
500
mW
Operating Temperature
Topr
-25+75
Storage Temperature
Tstg
-55+150
NoteDerated above 25 in the proportion of 9.6 mW/2149N4 mW/2149F.
ELECTICAL CHARACTERISTICS
(Unless otherwise specified,Tamb=25,V
CC
=3V,F/E f=98MHzfm=1kHz
FM IFf=10.7MHz,f=22.5kHz ,m=1kHz
AM f=1MHz,MOD=30%,fm=1kHz
MPX fm=1kHz)




WuXi YouDa Electronics Co., Ltd 3 of 7 Website: www.e-youda.com
YOUDA INTEGRATED CIRCUIT
YD2149
CHARACTERSTIC SYMOL TEST
CONDITION MIN. TYP. MAX.
UNIT
Icc(FM)
Vin=0, FM mode
13
16.5
Supply Current
Icc(AM) Vin=0,
AM
mode 8.5 11.0
mA
Input Limiting
Voltage
V
in
(lim) -3dB
limiting
10
dBV
Local OSC Buffer
Output Voltage 1
V
OSC
FM1
f
OSC
=108.7 MHz
23
35
mV
rms
F/E
Local OSC Buffer
Output Voltage 2
V
OSC
FM2 f
OSC
=6.79375 MHz
75
110
mV
rms
Input Limiting
Voltage
V
in
(lim)IF
-3 dB limiting
37
42
47
dB
V
Recovered Output
Voltage
V
OD
Vin=80dBV
200 250 300
mV
rms
Signal To Noise
Ratio
S/N Vin=80dBV 75 dB
Total Harmonic
Distortion
THD
Vin=80dBV
0.3 %
IF Count Output
Frequency
f
IF
(FM)
Vin=80dBV;
SW7:ON
1.3373
1.3375 1.3377 MHz
IF Count Output
Voltage
V
IF
(FM)
Vin=80dBV;
SW7:ON
250 290 330
mV
p-p
FM
IF
IF Count Output
Sensitivity
IF
sens(FM)
SW7:ON
42 47 52
dBV
Gain G
V
Vin=27dBV 20 38 70
mV
rms
Recovered Output
Voltage
VOD Vin=60dBV 60
85
108
mV
rms
Signal To Noise
Ratio
S/N Vin=60dBV 41 dB
Total Harmonic
Distortion
THD Vin=60dBV
0.7 %
Local OSC Buffer
Output Voltage
V
OSC
AM f
OSC
=1.45 MHz
55
75
mV
rms
IF Count Output
Voltage
V
IF
(AM)
Vin=60dBV;
SW7:ON
250 290 330
mV
p-p
AM
IF Count Output
Sensitivity
IF
sens(AM)
SW7:ON
33 38 43
dBV





WuXi YouDa Electronics Co., Ltd 4 of 7 Website: www.e-youda.com
YOUDA INTEGRATED CIRCUIT
YD2149

FM mode
0.75
PIN17 Output
Resistance
R
17
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
rms
fm=100HZ
45
fm=1kHz 35 45
Separation Sep.
L+R=180
Mvrms,
P=20mVrms
fm=10kHz
45
dB
Monaural
THD
(MONAUR
AL)
Vin=200mV
0.3
TH
D
Stereo
TGD
(STEREO)
L+R=180mV
P=20mV
0.3
%
Voltage GV Vin=200mV -2.7
-1.2
0.2
dB
Channel Balance
C.B.
Vin=200mV
-1.5
0
1.5
dB
ON VL(ON)
10 14 mV
rms
Stereo
LED
Sensitiviy
OF
F
VL(OFF)
Pilot Input(19kHz)
5 8
mV
rms
Stereo LED
Hysteresis
V
H
LED
ON
OFF
2
mV
rms
Capture Range
C.R.
P=15mVrms
8 %
MPX
Signal Noise Ratio
S/N
Vin=200mV
80
dB
Muting Attenuation
MUTE
Vin=200mV
80
dB




WuXi YouDa Electronics Co., Ltd 5 of 7 Website: www.e-youda.com
YOUDA INTEGRATED CIRCUIT
YD2149
TWES CIRCUIT
+
0.47uF
+
4.7uF
+
1uF
+
220uF
+
1uF
+
10uF
+
2.2uF
+
2.2uF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
RF GND
FM RF IN AM LOW CUT MIX OUT
Vcc
AM IF IN
FM IF IN
GND
AGC
QUAD
R-OUT
L-OUT
LPF2
LPF1
MPX IN
DET OUT
IF REQ
ST LED
OSC OUT
AM OUT
FM OUT
AM RF IN
RF Vcc
FM RF OUT
FM RF IN
75
Vin
Vin
50
FM IF IN
270
SW1
T2
330
0.033uF
CF1
CF2
CR
0.01uF
0.01uF
SW2
SW3
4.7k
SW4
SW5
Vcc
0.1uF
0.1uF
3.3k
MPX IN
0.022uF
2.4k
2.2k
10k
10k
2SC1815
DET OUT
5V
8V
2SC1923
3k
100k
100k
IF OUT
330pF
3.3k
SW7
560
470
SW8
0.01uF
400
OSC OUT
47k
470pF
1S
V
1
49
T1
T2
1000pF
47k
1S
V
1
01
2.7m
H
L1
100pF
1S
V
1
01
47k
Vin
75
75
0.022uF
2k
AM RF IN
VT
BPF
LPF
YD2149












WuXi YouDa Electronics Co., Ltd 6 of 7 Website: www.e-youda.com
YOUDA INTEGRATED CIRCUIT
YD2149
PACKAGE DIMENSIONS




WuXi YouDa Electronics Co., Ltd 7 of 7 Website: www.e-youda.com
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