U4476B-MFLG3 TEMIC [TEMIC Semiconductors], U4476B-MFLG3 Datasheet - Page 4

• Manufacturer Part Number: U4476B-MFLG3
• Description: IF Amplifier / Converter for DVB (Cable)
• Manufacturer: TEMIC [TEMIC Semiconductors]

Electrical Characteristics
V
Notes:
1.
2.
Basic Application Circuit
U4476B
Tuner AGC
Available tuner AGC current
Allowable output voltage
IF slip tuner AGC
IF input signal for minimum
take over point
IF input signal for maximum
take over point
Variation of the take over
point by temperature
(Pin 28 open)
4 (7)
IF
10 nF
s
50
= 5 V, T
*)
W
This parameter is given as an application information and not tested during production.
Without external control voltage (pin not connected) the input 1 is automatically selected.
10 nF
Parameters
U4744B:
amb
1
2
3
4
U4744B
= +25 C
SAW driver, device phased out, not for new development
*)
2.2
10 nF
8
7
6
5
m
+12 V
F
Current I
D
IF AGC: G
T
DVB
Ref
amb
28
1
Preliminary Information
Test Conditions / Pins
50 k
SAW 1
SAW 2
= 55 C
W
tun
27
2
: 10% to 90%
v
= 46 dB
26
3
2.2
m
F
25
Figure 3.
4
V
24
5
S
10 nF
IF 1
Symbol
23
6
D
V
8.2 pF
I
v
v
v
G
tun
out
in
in
in
IF
U4476B
AGC
22
7
2.2
22
m
m
F
F
Min.
21
8
0.3
40
1
Frequency
VCO
TELEFUNKEN Semiconductors
20
9
IF 2
Typ.
19
10
2
8
2
Tuner AGC
take over
Tuning
VCO
point
18
11
10 k
Rev. A2, 15-Jan-98
Max.
13.5
10
Tuner
current
W
AGC
4
4
3
17
12
2 nd IF
16
13
10 nF
Unit
mA
mV
mV
dB
dB
V
Switch
Input
15
14
13900