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Unisonic Technologies

ULA1145 Datasheet Preview

ULA1145 Datasheet

FM TUNER IF SYSTEM

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UNISONIC TECHNOLOGIES CO., LTD
ULA1145
Preliminary
FM TUNER IF SYSTEM
DESCRIPTION
The UTC ULA1145 is a high integrated IC for FM tuner IF
stage, special in car radio.
FEATURES
* Built-in IF count buffer circuit and microprocessor-controlled
switch circuit for ETR
* High S/N
* Wide range output
* More simplifies design:
- Built-in SD circuit—regulable sensitivity
independently of soft mute characteristics
- Variable S-meter gradient—output with three pins
ORDERING INFORMATION
Ordering Number
ULA1145G-N20-R
Package
HTSSOP-20
CMOS IC
Packing
Tape Reel
MARKING
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
1 of 10
QW-R106-006.a




Unisonic Technologies

ULA1145 Datasheet Preview

ULA1145 Datasheet

FM TUNER IF SYSTEM

No Preview Available !

ULA1145
PIN CONFIGURATION
Preliminary
NC 1
2
3
4
5
6
7
8
9
10
20 NC
19
18
17
16
15
14
13
12
11
PIN DESCRIPTION
PIN NO.
1, 20
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
PIN NAME
NC
IFIN
IFBIAS
IFGND
Msc
MGC
MAC
AFOUT
AFCOUT
IFOUT
QIN
VREG
VCC
IFCT
GND
MDRI
SOUT
SDCT
SDOUT
IF input
IF amp bias
IF amp GND
Mute start control
Mute gradient control
Mute attenuation control
AF output
AFC output
IF output
Quadrature detection input
Voltage regulator output
VCC
IF count output, control
GND for detection circuit
Mute driver
S-meter output
SD sensitivity control
SD output
DESCRIPTION
CMOS IC
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 10
QW-R106-006.a



Part Number ULA1145
Description FM TUNER IF SYSTEM
Maker Unisonic Technologies
Total Page 10 Pages
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