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TEF6721HL Datasheet(PDF) 2 Page - NXP Semiconductors

Part # TEF6721HL
Description  Car radio tuner front-end for digital IF
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TEF6721HL Datasheet(HTML) 2 Page - NXP Semiconductors

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9397 750 15042
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 03 — 19 July 2005
2 of 45
Philips Semiconductors
TEF6721HL
Car radio tuner front-end for digital IF
s Inductor Capacitor (LC) tuner oscillator providing mixer frequencies for FM and AM
mixers
s Crystal oscillator providing reference frequencies for synthesizer PLL and timing for
Alternative Frequency (AF) updating
s Optional crystal oscillator frequency pulling possibility via I2C-bus
s Fast synthesizer PLL tuning system with local control for inaudible AF updating
s Timing function for AF updating algorithm and control signal output for interfacing with
IF DSP
s Three hardware programmable I2C-bus addresses; pin BUSENABLE; two software
controlled flag outputs
s Several test modes for fast Integrated Circuit (IC) tests.
3.
Quick reference data
Table 1:
Quick reference data
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDDA(n)
analog supply voltages
1to5
8
8.5
9
V
VDDA6
analog supply voltage 6
4.75
5
5.25
V
VDDD
digital supply voltage
4.75
5
5.25
V
IDDA(n)
sum of analog supply
currents 1 to 5
FM Japan mode
35
44
55
mA
AM mode
28
38
48
mA
IDDA6
analog supply current 6 FM Japan mode
2.2
3.2
4.3
mA
AM mode
10
14
18
mA
IDDD
digital supply current
FM Japan mode
23
30
39
mA
AM mode
17
23
30
mA
fAM(ant)
AM input frequency
LW
0.144 -
0.288
MHz
MW
0.522 -
1.710
MHz
SW
5.73
-
9.99
MHz
fFM(ant)
FM input frequency
64
-
108
MHz
fFM(WB)(ant)
FM weather band input
frequency
162.4 -
162.55 MHz
Tamb
ambient temperature
−40
-
+85
°C
AM overall system parameters (based on 15 pF/60 pF dummy aerial; m = 0.3; 2.5 kHz audio
bandwidth in IF DSP; voltages in RMS value at input of dummy aerial); see Figure 9
Vi(RF)(IFAGC)
RF input voltage for
start of IF AGC
first step
-
5.5
-
mV
second step
-
11
-
mV
third step
-
22
-
mV
Vi(RF)(RFAGC) RF input voltage for
start of RF AGC
in-band; m = 0
-
31
-
mV
wideband; m = 0
AGC[1:0] = 00
-
92
-
mV
AGC[1:0] = 01
-
126
-
mV
AGC[1:0] = 10
-
168
-
mV
AGC[1:0] = 11
-
210
-
mV
α26dB
sensitivity
f = 990 kHz
-
42
-
µV


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