YOUDA INTEGRATED CIRCUIT
YD1191
SINGLE-CHIP FM/AM RADIO IC--YD1191
DESCRIPTION
The YD1191 is a one-chip FM/AM radio IC designed for radio-cassette tape recorders.
FEATURES
*Small number of peripheral components.
*Low current consumption (Vcc=3V)
For
FM:ID=5.3mA
(Typ.)
For
AM:ID=3.4mA
(Typ.)
*Built-in FM/AM select switch.
*Built-in RF AGC, IF AGC circuit.
*Tuning LED driver.
*Large output of AF amplifier.
Vcc=6V,EIAJ
output=500mW
(Typ.)
When load impedance 8
BLOCK DIAGRAM
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
AF Power AMP
FM IF AMP
TUNING
AM RF AMP
AM IF DET AGC
FM DISCRIMINATOR
FM FE
METER
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 4 2006-6-20
YOUDA INTEGRATED CIRCUIT
YD1191
ABSOLUTE MAXIMUM RATINGS
(Tamb=25)
PARAMETER SYMBOL
VALUE
UNIT
Supply Voltage
Vcc
9
V
Power Dissipation
P
D
700 mW
Operating Temperature
Topr
-10+70
Storage Temperature
Tstg
-50+125
ELECTRICAL CHARACTERISTICS
(Tamb=25, V
CC
=6VUnless otherwise specified)
PARAMETER SYMBOL TEST
CONDITIONS
MIN TYP MAX UNIT
AM, Vin=0
3.5
10.0
Quiescent Current
Iccq
FM, Vin=0
7.0
14.0
mA
FM:
Front End
Voltage Gain
A
V1
Vin1=40dBV/100MHz 32
39
46 dB
Detection Output
V
D1
Vin1=90dBV/10.7MHz
(1kHz,22.5kHz DEV)
39 77.5 155 mV
IF Knee Level
V
SEN1
V
in3
=level at a point
3dB down
24
32
dBV
DetectionOutput
Distortion Factor
THD1
Vin1=90dBV/10.7MHz
(1KHz, 75kHz DEV
0.3 2.0 %
FM Meter Current
I
BI
Vin3=60dBV/10.7MHz 1.8
3.5
7.0 mA
AM:
Front End
Voltage Gain
Av2 Vin2=80dBV/1660kHz 15
22 29 dB
IF Voltage Gain
V
SEN2
455kHz(kHz 30% MOD), output
is -3.4dBm
14 20 27 dB
Detector Output
V
D2
Vin3=85dBV/455kHz
(1kHz, 30%MOd)
39 77.5 155 mV
Meter Current
I
B2
Vin3=85dBV/455kHz
(kHz, 30%MOD)
1.3 3.0 7.0 mA
Detection Output
Distortion Factor
THD2
Vin2=95dBV/1660kHz
(1kHz, 30%MOD), Vcc=7.8V
0.6 2.0 %
Audio Voltage Gain
Av3
Vin3=60dBV/10.7MHz
Vin4=30dBm/1kHz
27 31.5 36 dB
Audio Distortion
Factor
THD3
Vin3=60dBV/10.7MHz
Vin4=-20dBm/1kHz
Output is 50mW
0.3 2.5 %
Muting Level
Av4
Vin3=0dBV/10.7MHz
Vin4=-20dBm/1kHz
Output is 50mW
8 15 22 dB
WuXi YouDa Electronics Co., Ltd 2 of 4 Website: www.e-youda.com
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