TDA7222A 查看數據表（PDF） - STMicroelectronics

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TDA7222A

3V AM/FM ONE-CHIP RADIO

STMicroelectronics 

TDA7222A - TDA7222AD

ELECTRICAL CHARACTERISTICS (unless otherwise specified) (continued)

TA = 25oC, VCC = 3V F/E : f = 83MHz, fm = 1kHz

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

MPX

Parameter

Stereo Lamp (ON) Sensitivity

Stereo Lamp (OFF) Sensitivity

Stereo Lamp Hysteresis

Capture Range

Signal to Noise Ratio

Test Condition s

Pilot Input

P = 15mVRMS

Min.

2

Typ.

6

2

3

±3

70

Max.

Unit

mVRMS

mVRMS

mVRMS

%

dB

COIL DATA

Coil

No

f

(Hz)

L CO

(µH) (pF)

QO

Turns

1 - 2 2 - 3 1 - 3 1-4

4-6

Wire

Ref. *

L1

FM RF

100M

100

21

2

0.5∅ UEW S -53T-037-202

L2 FM OSC 100M

100

23

4

0.5∅ UEW S - 0258-24

L3 AM OSC 796k 238

115 13 73

0.08∅ UEW S - 4147-1356-038

T1 FM MIX 10.7M

75 100

13

2 0.1∅ UEW S - 2153-414-041

T2 AM MIX 455k

180 120

180

15 0.08∅ UEW S - 2150-2162-165

T3 FM DET 10.7M

47 165

16

0.09∅ MUEW S - 2153-4095-122

* S : Sumida Electric CO, LTD.

L1, L2

V.C.

Pin 20

VCC

L3

3

4

2

1

6

L4

4

36 1

VCC V.C.VCC Pin 24

T1

T2

T3

Pin 3 3

2

VCC 1

4 VCC

VCC 3

2

6 C.F. Pin 4 1

4 C.F.

VCC 3

4

2

6 VCC Pin 12 1

6

4/7

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