Datasheet

TEF6901A_3 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 03 — 20 March 2008 94 of 107
NXP Semiconductors
TEF6901A
Integrated car radio
V
noise(rms)
noise voltage
(RMS value)
ITU-R ARM-weighted and
20 kHz ‘brick wall’ without
input signal (source
impedance 600 Ω);
unbalanced
G
vol
= 0 dB - 12 20 µV
G
bass
=+6dB;
G
treble
= +6 dB; G
vol
=0dB
-2435µV
G
vol
= +20 dB - 71 100 µV
G
vol
= +20 dB; balanced - 100 140 µV
G
vol
= −10 dB - 10 18 µV
G
vol
= −40 dB - 9.5 13.5 µV
outputs muted - 5 12 µV
using ‘A-weighting’ filter and
20 kHz ‘brick wall’;
G
vol
= −20 dB; start of
loudness = −12 dB
- 6.8 10 µV
V
offset(max)
maximum DC offset between any two settings
(non-consecutive) on any one
audio control
-7- mV
between any two settings
(non-consecutive) on volume
control; G
vol
≤ +6 dB
-7- mV
between any two settings
(non-consecutive) on input
gain control; G
ing
≤ +6 dB
-7- mV
PSRR power supply ripple
rejection
V
CC(AC)
=V
ripple
= 200 mV
(RMS); G
vol
=0dB
f
ripple
= 20 Hz to 100 Hz 35 65 - dB
f
ripple
= 100 Hz to 1 kHz 50 70 - dB
f
ripple
= 1 kHz to 20 kHz 30 50 - dB
f
ripple
= 500 Hz - 70 - dB
α
ct
crosstalk between bus
inputs and signal outputs
f
clk
= 100 kHz
[2]
- 110 - dB
t
d
delay time from V
CC
applied to final
DC voltage at outputs
-12- ms
Input gain
G
ing
input gain control see Table 76
maximum setting
[3]
-18- dB
minimum setting
[3]
- −10 - dB
G
step(vol)
step resolution - 2 - dB
Table 111. Dynamic characteristics of the sound processor
…continued
V
CC
= 8.5 V; T
amb
=25 ° C; see Figure 43; all AC values are given in RMS; treble: 10 kHz filter frequency; treble = 0 dB;
bass: 60 Hz filter frequency; bass = 0 dB; f
audio
= 1 kHz; G
vol
= 0 dB; G
fader
= 0 dB; loudness off; standard output gain
(byte OUTPUT; bit OUTA = 0); R
L
= 10 k Ω ; C
L
= 1 nF; unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit