English
Language : 

TDA8421 Datasheet, PDF (12/26 Pages) NXP Semiconductors – Hi-fi stereo audio processor; I2C bus
Philips Semiconductors
Hi-fi stereo audio processor; I2C bus
Product specification
TDA8421
AC CHARACTERISTICS
VCC = 12 V; bass/treble in linear position; pseudo and spatial stereo off; RL > 10 kΩ; CL < 100 pF;
Tamb = 25 °C unless otherwise specified.
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
I2C bus timing (see Fig.6)
SDA, SCL (pin 13 and 14)
Clock frequency range
The HIGH period of the clock
The LOW period of the clock
SCL rise time
SCL fall time
Set-up time for start condition
Hold time for start condition
Set-up time for stop condition
Time bus must be free before a new
transmission can start
Set-up time DATA
Input signals
IN1 L (pin 26) IN1 R (pin 28)
IN2 L (pin 1) IN2 R (pin 3)
Input signal handling (r.m.s. value)
at Vu = −4 dB; THD ≤ 0,5%
Input resistance
Frequency response (−0,5 dB)
bass and treble in linear position;
stereo mode; effects off
fSCL
tHIGH
tLOW
tr
tf
tSU;STA
tHD; STA
tSU; STO
tBUF
tSU; DAT
Vi(rms)
Rn-5
f
0
−
100
4
−
−
4,7
−
−
−
−
1
−
−
0,3
4,7
−
−
4
−
−
4,7
−
−
4,7
−
−
250
−
−
2
−
−
35
50
−
20
−
20 000
UNIT
kHz
µs
µs
µs
µs
µs
µs
µs
µs
ns
V
kΩ
Hz
May 1988
12