TEF6721HL NXP Semiconductors, TEF6721HL Datasheet - Page 29

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

Philips Semiconductors
Table 29:
V
V
TEF6721HL_4
Product data sheet
Symbol
I
I
AM RF AGC cascode stage: pin VAMCASFB
V
I
AM RF AGC transconductance buffer: pin AGCBUF
g
I
I
V
AM mixer (IF = 10.7 MHz)
Mixer inputs: pins AMMIXIN and AMMIXDEC
R
C
V
V
Mixer outputs: pins AMMIXOUT1 and AMMIXOUT2
R
C
V
I
Mixer
g
cas
cas(off)
cas(FB)
sink(max)
source(max)
bias
FMMIXOUT1
DDD
m(buf)
m(conv)
cas(FB)
o(n)
I
i(max)
o(max)(p-p)
i
i
o
o
= 5 V; T
Dynamic characteristics
= V
amb
AMMIXOUT1
Parameter
cascode transistor base
current capability
AM cascode off current
cascode voltage
cascode feedback sense
current
buffer transconductance
maximum sink current
maximum source current
buffer output noise voltage
input resistance
input capacitance
DC input voltage
maximum input voltage
output resistance
output capacitance
maximum output voltage
(peak-to-peak value)
mixer bias current
conversion
transconductance
----------------------------------
V
= 25 C; see
TRFAMAGC
I
AGCBUF
= V
FMMIXOUT2
Figure
--------- -
V
I
IF
RF
9; all AC values are given in RMS; unless otherwise specified.
…continued
= V
AMMIXOUT2
Conditions
FM mode
V
threshold; minimum gain
AM mode;
AM mode; open-collector;
AM mode;
AM mode;
V
(voltage across external
pull-up resistor);
B = 400 Hz to 20 kHz
1 dB compression point of
AM mixer output; m = 0
AM mode
V
V
V
AMMIXIN-AMMIXDEC
DDA2
TRFAMAGC
TRFAMAGC
TRFAMAGC
Rev. 04 — 20 December 2005
[4]
V
= V
AGCBUF
= 50 mV to 0.4 V
= 0.8 V
< 50 mV
DDA1
= 1 V
= V
above
DDA2
= V
DDA3
Car radio tuner front-end for digital IF
= V
Min
100
-
-
0
0.85
450
-
-
15
2.5
2.3
500
100
-
12
4.8
1.9
DDA4
= V
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
DDA5
Typ
-
-
0.26
-
1.1
500
-
10
25
5
2.7
-
-
4
15
6
2.6
TEF6721HL
= 8.5 V; V
Max
-
100
-
1
1.35
560
15
40
7.5
3.1
-
-
7
-
7.2
3.4
30
DDA6
= 5 V;
Unit
nA
V
mS
k
pF
V
mV
k
pF
V
mA
mA
-------- -
29 of 48
A
A
A
A
V
V