TDA7040T Datasheet, PDF (2/11 Pages) NXP Semiconductors – Low voltage PLL stereo decoder

Philips Semiconductors
Low voltage PLL stereo decoder
Product specification
TDA7040T
GENERAL DESCRIPTION
The TDA7040T is a monolithic integrated circuit for low cost FM stereo radios with an absolute minimum of peripheral
components and a simple lay-out.
Features
• Built-in four pole low pass filter with a 70 kHz corner frequency suppressing unwanted out-of-band input signals
• Fully integrated 228 kHz oscillator
• Pilot presence detector and soft mono/stereo blend
• Built-in interference suppression
• External stereo lamp driver applicable
• Adjustable gain.
QUICK REFERENCE DATA
PARAMETER
Supply voltage (pin 4)
Supply current V_P = 3 V
Total harmonic distortion
Signal to noise ratio
Channel separation
SYMBOL
V_P
I_P
THD
S/(S + N)
α
MIN.
1,8
−
−
−
−
TYP.
−
3
0,3
70
40
MAX.
6
−
−
−
−
UNIT
V
mA
%
dB
dB
PACKAGE OUTLINE
8-lead mini-pack; plastic (S08; SOT96A); SOT96-1; 1996 July 24.
September 1986
2