Datasheet

TEF6901A_3 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 03 — 20 March 2008 81 of 107
NXP Semiconductors
TEF6901A
Integrated car radio
RR ripple rejection f
ripple
= 100 Hz;
V
CC(ripple)
= 50 mV (RMS);
V
AMIF2IN
=10mV
20 26 - dB
AM level detector output: pin LEVEL
Input: pins AMIF2IN and AMIF2DEC
LST level start alignment
position
V
i(AMIF2IN)
=95µV; level slope
aligned to (800 ± 50) mV/dec;
level start aligned to
V
LEVEL
= (1.24 ± 0.04) V
6 - 25 -
∆V
LEVEL
step size for adjustment
of level starting point
V
AMIF2IN
= 0 V; default setting
of level slope
20 40 72 mV
LSL level slope alignment
position
level slope measured from
V
i(AMIF2IN)
=95µV to
V
i(AMIF2IN)
= 950 µV; level
slope aligned to
(800 ± 50) mV/dec
0- 7 -
∆V
step
step size for adjustment
of level slope
V
AMIF2IN
= 1.4 mV 40 60 80
∆V
LEVEL(T)
level voltage drift over
temperature
T
amb
= −40 °C to +85 °C - 0.05 -
R
o
output resistance - - 500 Ω
R
L
output load resistance 25 - - kΩ
C
L(max)
maximum load
capacitance
25 - - pF
RR ripple rejection V
CC(ripple)
= 50 mV (RMS);
f
ripple
= 100 Hz;
V
AMIF2IN
=10mV
-24- dB
AM noise blanker IF part
t
sup
suppression time at IF2 IF2 = 450 kHz - 8 - µs
V
th
noise blanker trigger
threshold
noise pulse at RF input
(
CISPR 16-1 );
repetition rate = 100 Hz; pulse
duration 5 ns; t
r
and t
f
< 1 ns;
measured at dummy aerial
input (15 pF/60 pF)
NBL[1:0] = 00 - 1.4 - V
NBL[1:0] = 01 - 1.0 - V
NBL[1:0] = 10 - 0.7 - V
m
th
modulation threshold for
blanking of audio signal
maximum modulation, which
triggers the blanking circuit in
the audio part; LODX = 0
-5 - %
Table 110. Dynamic characteristics of the tuner
…continued
V
CC
= 8.5 V; T
amb
=25 ° C; see Figure 43; all AC values are given in RMS; unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
RR
V
CC(ripple)
V
MPXAMOUT
-----------------------------
=
mV
dec
--------
dB
K
------
RR
V
CC(ripple)
V
LEVEL(AC)
---------------------------
=