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TDA7222A TDA7222AD
3V AM/FM ONE-CHIP RADIO
. . . . .
ADVANCE DATA
BUILT-IN FM F/E, AM/FM IF AND FM MPX AM DETECTOR COIL AND IF COUPLING CAPACITOR ARE NOT NEEDED COMPACT PACKAGE : 24-Pin Shrink OPERATING SUPPLY VOLTAGE RANGE VCC (opr) = 1.8 to 7.0V (TA = 25oC) LED DRIVE CIRCUIT FOR TUNING INDICATION
SHRINK DIP24 (Plastic Package) ORDER CODE : TDA7222A
DESCRIPTION TDA7222Aand TDA7222AD are AM/FM chip tuner ICs, which are designed for portable radios and 3V headphone radios. PIN CONNECTIONS
TDA7222A (SDIP24)
SO28 (Plastic Micropackage) ORDER CODE : TDA7222AD
TDA7222AD (SO28)
FM RF IN GND1 FM MIX AM MIX AGC VCC2 AM IF IN FM IF IN GND2 TUN LED ST LED QUAD
1 2 3 4 5 6 7 8 9 10 11 12
24 23 22 21 20 19 18 17 16 15 14 13
AM RF IN FM RF OUT V CC1 FM OSC AM OSC DET OUT MPX IN LPF1 LPF2 VCO L OUT R OUT
FM RF IN GND1 FM MIX NOT CONNECTED AM MIX AGC VCC2 AM IF IN FM IF IN NOT CONNECTED GND2 TUN LED ST LED QUAD
1 2 3 4 5 6 7 8 9 10 11 12 13 14
28 27 26 25 24 23 22 21 20 19 18 17 16 15
AM RF IN FM RF OUT VCC1 FM OSC NOT CONNECTED AM OSC DET OUT MPX IN LPF1 LPF2 NOT CONNECTED VCO L OUT R OUT
7222A-01.EPS / 7222AD01.EPS
February 1995
This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without no tice.
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L OUT R OUT V CC VCO Stop AM FM FM OSC 21 14 AM OSC 20 DET OUT 19 MPX IN 18 LPF1 17 LPF2 16 VCO 15 13 FM OSC

BLOCK DIAGRAM
TDA7222A - TDA7222AD
AM RF IN FM RF OUT V CC1 24 23 22
AM OSC VCO
PRE
DECODE
AM AF AM/FM SW
FM AF
HYS F.F
SW
AM DET
FM RF FM MIX AGC AM MIX AM IF LEVEL DET
FM IF
TUN LED
ST LED
FM DET
2 1 FM RF IN GND1 FM MIX V CC2 AGC
3
4 AM MIX
5
6
7 AM IF IN
8 FM IF IN
9 GND2
10 TUN LED
11 12 ST LED QUAD
BFP
7222A-02.EPS
TDA7222A - TDA7222AD
ABSOLUTE MAXIMUM RATINGS
Symbol VS ILED VLED Toper Tstg Parameter Supply Voltage LED Current LED Voltage Operating Temperature Storage Temperature Value 9 10 10 -20, +70 -55, +150 Unit V mA V o C o C
RECOMMENDED OPERATING CONDITIONS
Supply Voltage Operating Temperature
7222A-02.TBL 7222A-03.TBL
Symbol VS Toper
Parameter
Value 1.8 to 7 0, +70
Unit V o C
ELECTRICAL CHARACTERISTICS (unless otherwise specified) F/E : f = 83MHz, fm = 1kHz TA = 25oC, VCC = 3V FM IF : f = 10.7MHz, f = 22.5kHz, fm = 1kHz AM : f = 1MHz, MOD = 30%, fm = 1kHz MPX : fm = 1kHz
Symbol ICC (FM) ICC (AM) VIN (lim) VOSC VIN (lim) IF VOD S/N THD AMR VL GV VOD S/N THD VL R19 RIN R OUT VIN (Max.) Stereo Sep THD Monaural THD Stereo GV (MPX) C.B. MPX AM FM IF Parameter Supply Current F/E Input Limiting Voltage Local OSC Voltage Input Limiting Voltage Recovered Output Voltage Signal to Noise Ratio Total Harmonic Distortion AM Rejection Ratio Lamp ON Sensitivity Gain Recovered Output Voltage Signal to Noise Ratio Total Harmonic Distortion Lamp ON Sensitivity Pin 19 Output Resistance Input Resistance Output Resistance Max. Composite Signal Input Voltage Separation fm = 100Hz fm = 1kHz fm = 10kHz L + R = 90%, P = 10% fm = 1kHz, THD = 3% L + R = 135mVRMS P = 15mVRMS VIN = 150mVRMS L + R = 135mVRMS P = 15mVRMS VIN = 150mVRMS VIN = 150mVRMS 25 Test Conditions VIN = 0, FM mode VIN = 0, AM mode - 3dB limiting fOSC = 72.3MHz - 3dB limiting VIN = 80dB VIN = 80dB VIN = 80dB VIN = 80dB IL = 1mA VIN = 26dB VIN = 60dB VIN = 60dB VIN = 60dB IL = 1mA FM mode AM mode 20 45 40 55 Min. Typ. 13.2 8.4 10.0 105 46 80 70 0.4 32 51 70 80 42 1.0 25 0.75 12.75 24 5 350 32 32 32 0.2 0.2 -5 -2 -3 0 -1 2 56 110 110 Max. 20 13.5 Unit mA mA dB mVRMS 53 110 dB mVRMS dB % dB dB mVRMS mVRMS dB % 30 dB k k k k mVRMS dB dB dB % % dB dB
40 55
Total Harmonic Distortion (monaural) Total Harmonic Distortion (stereo) Voltage Gain Channel Balance
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7222A-01.TBL
TDA7222A - TDA7222AD
ELECTRICAL CHARACTERISTICS (unless otherwise specified) (continued) F/E : f = 83MHz, fm = 1kHz TA = 25oC, VCC = 3V FM IF : f = 10.7MHz, f = 22.5kHz, fm = 1kHz AM : f = 1MHz, MOD = 30%, fm = 1kHz MPX : fm = 1kHz
Symbol VL (ON) VL (OFF) VH C.R. S/N Parameter Stereo Lamp (ON) Sensitivity Stereo Lamp (OFF) Sensitivity Stereo Lamp Hysteresis Capture Range Signal to Noise Ratio Test Condition s Pilot Input Min. 2 Typ. 6 2 3 3 70 Max. Unit mVRMS mVRMS mVRMS % dB
P = 15mVRMS
COIL DATA
Coil No L1 L2 L3 T1 T2 T3 FM RF FM OSC AM OSC FM MIX AM MIX FM DET f (Hz) 100M 100M 796k 10.7M 455k 10.7M 238 75 180 47 L (H) CO (pF) QO 100 100 115 100 120 165 13 73 13 180 16 2 15 2 3 4 Turns 1 -2 2-3 1-3 1-4 2 1 2 4-6 Wire 0.5 UEW 0.5 UEW 0.08 UEW 0.1 UEW 0.08 UEW 0.09 MUEW Ref. * S -53T-037-202 S - 0258-24 S - 4147-1356-038 S - 2150-2162-165 S - 2153-4095-122
7222A-05.TBL 7222A-03.EPS
S - 2153-414-041
* S : Sumida Electric CO, LTD.
L1, L2 V.C. Pin 20 VCC 3 2 1
L3 4 4 6 VCC 3
L4
6
1
V.C.VCC Pin 24
T1 Pin 3 3 2 VCC 1 6 C.F. Pin 4 4 VCC VCC 3 2 1
T2 4 C.F. VCC 3 2 6 VCC Pin 12 1
T3 4
6
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7222A-04.TBL
MPX
1S2236 100k
0.47F
10H * Polyester film condenser ST 1k 1000pF MO 41k 15pF FM OSC 21 AM OSC 20 DET OUT 19 MPX IN 18 LPF1 17 LPF2 16 VCO 0.33F 15k 10nF 10nF 1F *1F FM 10k 4.7F
5pF
APPLICATION CIRCUIT
5pF 10F
100k
22pF 330pF
L4
L1
22pF L2
L3
AM
L OUT R OUT
AM RF IN 24
FM RF OUT VCC1 23 22
15
14
13
4.7F
PRE
FM OSC
AM OSC
AM AF
Pbase COM Pbase COM
VCO
ST DECODER
HYS
1/2 AM/FM MONO SW 1/2 1/2
SW
AM DET
FM RF LEVEL DET
FM MIX AM AGC
AM MIX
AM IF
FM IF
TUN LED
ST LED
FM DET
1 GND1 AM AGC
33F
2
3
4
5 AM MIX VCC2 AM IF IN
6
7
8
9
10
FM IF IN
GND2
FM RF IN
FM MIX
TUN LED
11 ST LED
12 QUAD
BPWB5
BFP 33pF T1 T2 SFU455B
SFE 10.7MA5 100 560 560
5.6k
T3 22F
TDA7222A - TDA7222AD
VCC (3V)
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7222A-04.EPS
TDA7222A - TDA7222AD
PACKAGE MECHANICAL DATA (TDA7222A) 24 PINS - PLASTIC SHRINK DIP
a1
I
Stand-off
L b1
b e3
b2
e Z
E
D
Stand-off
24 13
b3
PMSDIP24.EPS
1
12
Dimensions A a1 b b1 b2 b3 D E e e3 e4 F i L
Min. 0.51 0.35 0.2 0.75 0.75 7.95
Millimeters Typ. 3.3
F
Max.
Min. 0.020 0.014 0.008 0.030 0.030 0.313
Inches Typ. 0.130
Max.
0.59 0.36 1.42 23.11 9.73 1.778 19.558 7.62 6.86 5.08
0.023 0.014 0.056 0.910 0.383 0.070 0.770 0.300
SDIP24.TBL
0270 0.200 0.100
2.54
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TDA7222A - TDA7222AD
PACKAGE MECHANICAL DATA (TDA7222AD) 28 PINS - PLASTIC MICROPACKAGE (SO)
L C c1
A
e3
E
D
28
15
Dimensions A a1 b b1 C c1 D E e e3 F L S
Min. 0.1 0.35 0.23
Millimeters Typ.
Max. 2.65 0.3 0.49 0.32 45 (typ.)
o
Min. 0.004 0.014 0.009
Inches Typ.
Max. 0.104 0.012 0.019 0.013
0.5 17.7 10 1.27 16.51 7.4 0.4 7.6 1.27 8 o (max.) 0.291 0.016 18.1 10.65 0.697 0.394
0.020 0.713 0.419 0.050 0.65
SO28.TBL
0.299 0.050
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No licence is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics. (c) 1995 SGS-THOMSON Microelectronics - All Rights Reserved Purchase of I2C Components of SGS-THOMSON Microelectronics, conveys a license under the Philips I2C Patent. Rights to use these components in a I2C system, is granted provided that the system conforms to the I2C Standard Specifications as defined by Philips. SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.
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PM-SO28.EPS
1
14
F
a1
b
e
s
b1

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