English
Language : 

TDA8426 Datasheet, PDF (11/24 Pages) NXP Semiconductors – Hi-fi stereo audio processor; I2C-bus
Philips Semiconductors
Hi-fi stereo audio processor; I2C-bus
Product specification
TDA8426
AC CHARACTERISTICS(1)
VCC = 12 V; bass/treble in linear position; pseudo and spatial stereo off; RL > 10 kΩ; CL < 1000 pF;
Tamb = 25 °C; unless otherwise specified
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
I2C-bus timing (see Fig.7)
SDA, SCL (pin 11 and 12)
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
fSCL
tHIGH
tLOW
tr
tf
tSU; STA
tHD; STA
tSU; STO
tBUF
tSU; DAT
0
−
4
−
4.7
−
−
−
−
−
4.7
−
4
−
4.7
−
4.7
−
250
−
INPUTS
IN1 L (pin 18) IN1 R (pin 20);
IN2 L (pin 1) IN2 R (pin 3)
Input signal handling (RMS value)
at Vu = −12 dB; THD ≤ 0.5%
Input resistance
Frequency response (−0,5 dB)
bass and treble in linear position;
stereo mode; effects off
Vi(rms)
Ri
f
2
−
20
30
20
−
OUTPUTS
OUT R (pin 9); OUT L (pin 13)
Output voltage range (rms value)
at THD ≤ 0.7%; Vi(max) ≤ 2 V
Load resistance
Output impedance
Signal plus noise-to-noise ratio (weighted
Vo(rms)
RL
ZO
0.6
−
10
−
−
−
according to CCIR 468-2); Vo = 600 mV
gain = 6 dB
(S+N)/N
−
78
gain = 0 dB
(S+N)/N
−
86
gain = ≤ −20 dB
(S+N)/N
−
68
100
−
−
1
0.3
−
−
−
−
−
−
40
20 000
−
−
100
−
−
−
UNIT
kHz
µs
µs
µs
µs
µs
µs
µs
µs
ns
V
kΩ
Hz
V
kΩ
Ω
dB
dB
dB
March 1991
11