U4062B Datasheet, PDF (2/21 Pages) TEMIC Semiconductors – HF Front End for Car Radios and HiFi Receivers

U4062B
Pin Description
Osc_out 1
18 E_Osc
V_S 2
17 B_Osc
IF_out 3
16 _AGC
GND 4
15 IF_in
MIX_in 5
14 AGC_in
V_Ref 6
13 MIXout
C7
12 ^MIXout
B_RF 8
11 _GND
E9
10 ^AGCout
14928
Figure 2. Pinning DIP18
Pin Symbol
Function
1
Osc_out Oscillator output
2
V_S Supply voltage
3
IF_out IF output
4
GND Ground
5
MIX_in Mixer input
6
V_Ref Reference voltage output
7
C Collector
8
B_RF Base, RF preamplifier
9
E
Emitter
10 AGC_out AGC output
11
GND Ground
12 MIX_out Mixer output
13 MIX_out Mixer output
14 AGC_in AGC input (IF strip)
15
IF_in IF input / IF gain control
16
AGC AGC time constant
17
B_Osc Base oscillator
18
E_Osc Emitter oscillator
Absolute Maximum Ratings
Reference point ground, Pins 4 and 11
Parameters
Supply voltage
Pins 2, 12 and 13
Power dissipation T_amb = 85°C
Junction temperature
Storage temperature range
Ambient temperature range
Symbol
Value
Unit
V_S
18
V
P_tot
450
mW
T_j
125
°C
T_stg
–50 to +125
°C
T_amb
–25 to +85
°C
Thermal Resistance
Junction ambient
Parameters
Symbol
R_thJA
Value
90
Unit
K/W
2 (21)
Rev. A1, 07-Dec-98