TEF6721HL NXP Semiconductors, TEF6721HL Datasheet - Page 34

• Manufacturer Part Number: TEF6721HL
• Description: Car Radio Tuner Front-end For Digital If
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 29:
V
V
[1]
[2]
[3]
[4]
[5]
TEF6721HL_4
Product data sheet
Symbol
V
Crystal frequency Digital Auto Alignment (DAA)
Output: pin VDAC
V
V
V
FMMIXOUT1
DDD
V
i(max)(p)
o(max)
o(min)
o(n)
o(step)
Measured between pins XTAL1 and XTAL2.
DAA conversion gain formula:
n = 0 to 127.
V
The AM AGC transconductance buffer delivers a sink current which is proportional to the voltage change at pin TRFAMAGC.
Image rejection ratio:
= 5 V; T
LSB
V
TRFAMAGC
= V
Dynamic characteristics
= V
DAAOUT(n+1)
amb
AMMIXOUT1
Parameter
maximum input voltage
(peak value)
maximum output voltage
minimum output voltage
DAA step accuracy
DAA output noise voltage
= 25 C; see
=
V
IRR
V
TRFAMAGC
DAAOUT(n)
= V
=
FMMIXOUT2
Figure
V
V
------------------------------------------------------------------------------- -
V
DAAOUT
(FMMIXOUT1-FMMIXOUT2)wanted
(FMMIXOUT1-FMMIXOUT2)image
–
9; all AC values are given in RMS; unless otherwise specified.
…continued
V
= V
TRFAMAGC
=
AMMIXOUT2
Conditions
1 dB compression point of
IF AGC amplifier output
voltage
data byte 5 = XXX0 0000
(n = 0)
data byte 5 = XXX1 1111
(n = 31)
n = 0 to 31
B = 300 Hz to 22 kHz
V
V
V
V
V
V
V
V
2
IFAGCMSB
IFAGCLSB
IFAGCMSB
IFAGCLSB
IFAGCMSB
IFAGCLSB
IFAGCMSB
IFAGCLSB
Rev. 04 — 20 December 2005
0.75
V
= V
AMMIXIN
= 0.2 V
= 2.8 V
= 2.8 V
= 0.2 V
= 0.2 V;
= 0.2 V;
= 2.8 V;
= 2.8 V;
DDA1
-------- -
128
n
–
= V
+
V
0.125
AMMIXDEC
DDA2
= V
DDA3
V
10 mV
DAAIN
Car radio tuner front-end for digital IF
= V
Min
120
220
440
600
7.4
-
100
-
DDA4
+
V
= V
DAATD
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
DDA5
Typ
-
-
-
-
-
-
200
100
TEF6721HL
= 8.5 V; V
–
V
DAATD
Max
-
-
-
-
-
1.7
300
130
DDA6
; where
= 5 V;
Unit
mV
mV
mV
mV
V
V
mV
34 of 48
V