TDA7540B STMicroelectronics, TDA7540B Datasheet - Page 24

• Manufacturer Part Number: TDA7540B
• Manufacturer: STMicroelectronics

Specifications of TDA7540B

• Case: TQFP
• Dc: 06+
• Lead Free Status / Rohs Status: Compliant

DOCUMENT CD00108485
Copyright STMicroelectronics
Electrical specifications
20/75
REVISION 1.0
1. Intermodulation Suppression
a2 = V
a3 = V
measured with: 91% stereo signal; 9% pilot signal; fm = 10kHz or 13kHz.
2. Traffic Radio (V.F.) Suppression
a57(V,W,F) = V
measured with: 91% stereo signal; 9% pilot signal; fm=1kHz; 5% sub carrier (f=57kHz,
fm=23Hz AM, m=60%)
3. SCA ( Subsidiary Communications Authorization )
a67 = V
measured with: 81% mono signal; 9% pilot signal; fm=1kHz; 10%SCA – sub carrier ( f
67kHz, unmodulated ).
4. ACI ( Adjacent Channel Interference )
a114 = V
a190 = V
measured with: 90% mono signal; 9% pilot signal; fm=1kHz; 1% spurious signal ( f
110kHz or 186kHz, unmodulated).
0
calculated by
V
V
) All thresholds are measured inTestmode at the quality output. The thresholds are
NBTH
PEAK
O
O
- V
is adjusted by applying a 150kHz sinewave at MPXIN.
(signal,@1KHz) / V
(signal,@1KHz) / V
O
O
O
(signal,@1KHz) / V
PEAK
(signal,@1KHz) / V
(signal,@1KHz) / V
O
(signal,@1KHz) / V
O
O
O
(spurious, @1KHz) ; fs = (2x10KHz) - 19KHz
(spurious, @1KHz) ; fs = (3x13KHz) - 38KHz
O
O
(spurious, @9KHz) ; fs = (2x38KHz) - 67KHz
(spurious, @4KHz) ; fs = 110KHz - (3x38KHz)
(spurious, @4KHz) ; fs = 186KHz - (5x38KHz)
COMPANY INTERNAL
O
(spurious, @1KHz+/-23KHz)
ACTIVE
Unauthorized reproduction and communication strictly prohibited
DATE 11-May-2006
TDA7540B
S
=
S
=
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