Datasheet

TEF6901A_3 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 03 — 20 March 2008 76 of 107
NXP Semiconductors
TEF6901A
Integrated car radio
12. Dynamic characteristics
12.1 Dynamic characteristics of the tuner
Table 110. Dynamic characteristics of the tuner
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
Crystal oscillator
f
xtal
crystal frequency - 20.5 - MHz
C/N carrier-to-noise ratio f
xtal
= 20.5 MHz; ∆f = 10 kHz 112 - -
Circuit inputs: pins XTAL1 and XTAL2
V
o(osc)(rms)
oscillator output voltage
(RMS value)
[1]
80 100 160 mV
R
i
real part of input
impedance
V
XTAL1-XTAL2
=1mV
[1]
- −500 −250 Ω
C
i
input capacitance
[1]
-8 - pF
Tuning system; see
Table 38, Table 39 and Table 41
Voltage controlled oscillator
f
osc(min)
minimum oscillator
frequency
- - 153.6 MHz
f
osc(max)
maximum oscillator
frequency
256 - - MHz
C/N carrier-to-noise ratio f
osc
= 200 MHz; ∆f = 10 kHz;
Q ≥ 30
-98-
RR ripple rejection; f
ripple
= 100 Hz;
V
CC(ripple)
= 50 mV (RMS);
f
osc
= 200 MHz; FM mode
44 50 - dB
Charge pump: pin CPOUT; see
Table 40
I
sink(CP1)
charge pump CP1 sink
current
V
CPOUT
= 0.5 V to
V
CCPLL
− 1.3 V; f
ref
= 100 kHz
130 180 240 µA
I
source(CP1)
charge pump CP1
source current
V
CPOUT
= 0.5 V to
V
CCPLL
− 1.3 V; f
ref
= 100 kHz
−240 −180 −130 µA
I
sink(CP2)
charge pump CP2 sink
current
V
CPOUT
= 0.7 V to
V
CCPLL
− 1.5 V; f
ref
= 50 kHz
270 360 480 µA
I
source(CP2)
charge pump CP2
source current
V
CPOUT
= 0.7 V to
V
CCPLL
− 1.5 V; f
ref
= 50 kHz
−480 −360 −270 µA
I
sink(CP3)
charge pump CP3 sink
current
V
CPOUT
= 0.7 V to
V
CCPLL
− 0.7 V;
f
ref
= 20 kHz or 25 kHz
580 780 1050 µA
I
source(CP3)
charge pump CP3
source current
V
CPOUT
= 0.7 V to
V
CCPLL
− 0.7 V;
f
ref
= 20 kHz or 25 kHz
−1050 −780 −580 µA
I
sink(CP4)
charge pump CP4 sink
current
V
CPOUT
= 0.7 V to
V
CCPLL
− 0.7 V; f
ref
= 20 kHz
1040 1400 1900 µA
I
source(CP4)
charge pump CP4
source current
V
CPOUT
= 0.7 V to
V
CCPLL
− 0.7 V; f
ref
= 20 kHz
−1900 −1400 −1040 µA
dBc
Hz
----------
dBc
Hz
----------
RR
V
CC(ripple)
V
MPXAM
------------------------
=