TDA8424 Datasheet, PDF (11/23 Pages) NXP Semiconductors – Hi-Fi stereo audio processor; I2C-bus

Philips Semiconductors
Hi-Fi stereo audio processor; I²C-bus
Product specification
TDA8424
AC CHARACTERISTICS
V_CC = 12 V; bass/treble in linear position; stereo mode; spatial stereo off; R_L > 10 kΩ; C_L < 1000 pF; T_amb = 25 °C;
unless otherwise specified
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP. MAX. UNIT
I²C-bus timing (see Fig.7)
SDA, SCL (PINS 11 AND 12)
f_SCL
t_HIGH
t_LOW
t_r
t_f
t_SU;STA
t_HD;STA
t_SU;STO
t_BUF
clock frequency range
clock HIGH period
clock LOW period
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
t_SU;DAT
data set-up time
Inputs
0
−
4
−
4.7
−
−
−
−
−
4.7
−
4
−
4.7
−
4.7
−
250
−
100
kHz
−
µs
−
µs
1
µs
0.3
µs
−
µs
−
µs
−
µs
−
µs
−
ns
IN L (PIN 1) IN R (PIN 3)
V_i(RMS)
input signal handling
(RMS value)
R_i
input resistance
f
frequency response (0.5 dB)
at V_u = −12 dB;
THD ≤ 0.5%
2
−
−
V
20
30
40
kΩ
20
−
20 000 Hz
Outputs
OUT R (PIN 9) OUT L (PIN 13)
V_o(RMS)
output voltage range
at V_i(max) ≤ 2 V;
0.6
(RMS value)
THD ≤ 0.7%
R_L
Z_O
(S+N)/N
load resistance
10
output impedance
−
signal plus noise-to-noise ratio weighted in accordance
with CCIR 468-2;
V_o = 600 mV
gain = 6 dB
−
gain = 0 dB
−
gain ≤ −20 dB
−
THD
total harmonic distortion
f = 20 Hz to 12.5 kHz
gain = +6 dB to −40 dB
V_i(RMS) = 0.3 V
−
gain = 0 dB to −40 dB
V_i(RMS) = 0.6 V
−
gain = −12 dB to −40 dB
V_i(RMS) = 2.0 V
−
−
−
V
−
−
kΩ
−
100
Ω
78
−
dB
86
−
dB
68
−
dB
0.05
−
%
0.07
0.4
%
0.1
−
%
September 1992
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