LA8153QA - ON Semiconductor

Ordering number : ENA2293
LA8153QA
Monolithic Linear IC
Down Converter IC
for Digital CATV
http://onsemi.com
Overview
The LA8153QA is a down converter IC for digital CATV. It accepts RF input frequencies 50MHz to 150MHz.
It has the power save function.
Functions
 RF Mixer
 RF AGC amplifier
 Driver for SAW filter
 IF AGC amplifier
 IF Post amplifier for ADC
 Power save
Application
 Digital Cable Set Top Boxes
 HDTV Receivers
VQFN28U
Specifications
Maximum Ratings at Ta = 25C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
Pins 3, 6, 17, 18, 27, 28
3.6
Circuit voltage
V max
Pin 11
V
VCC
V
Allowable power dissipation
Pd max
Ta  70C, Mounted on a specified board. *
Operating temperature
Topr
-20 to +70
750
mW
C
Storage temperature
Tstg
-55 to +150
C
* Specified board: 40mm  50mm  0.8mm, FR4, 4 layer, without soldering the Exposed Die Pad to PCB.
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
Recommended Operating Conditions at Ta = 25C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended Supply Voltage
VCC
Pins 3, 6, 17, 18, 27, 28
3.3
V
Operating Supply Voltage Range
VCC op
Pins 3, 6, 17, 18, 27, 28
3.2 to 3.4
V
ORDERING INFORMATION
See detailed ordering and shipping information on page 7 of this data sheet.
Semiconductor Components Industries, LLC, 2014
February, 2014
20614HK 20120124-S00005 No.A2293-1/7
LA8153QA
Electrical Characteristics at Ta  25C, VCC = 3.3V
Ratings
Parameter
Symbol
Pin No.
Conditions
Unit
min
typ
max
Circuit Current
Itotal
3, 6, 17, 18, 27, 28
No Signal
77
100
130
Power Save Current
Ips
3, 6, 17, 18, 27, 28
No Signal
17
23
32
mA
RF Input Frequency Range
f(RF)
8, 9
fc = -3dB
50
150
MHz
RF AGC Range
GR1
27, 28
V11=2.5 to 0V
40
48
Mixer Conversion Gain
CG1
27 / 8
V11=2.5V
23
26
40
50
28 / 8
Mixer Inter Modulation 1
IM3 (1)
27 / 8
Input=70dBV
28 / 8
V11=2.5V
IF Input Frequency Range
f(IF)
23, 24
fc = -3dB
30
IF Amplifier Gain
G(AGC)
19 / 23, 24
20 / 23, 24
V11=2.5V
50
54
IF Inter Modulation 2
IM3(2)
19 / 23, 24
20 / 23, 24
Output=105dBV
(99dBV / tone)
50
60
mA
dB
29
dB
dB
100
MHz
58
dB
dB
IF AGC Range
GR2
19, 20
IF Output Level < 1dB
IF AGC Output Level
VO(IF)1
19
Single output
0.5
Vp-p
IF AGC Output Level
VO(IF)2
20
Single output
0.5
Vp-p
3
5
dB
Package Dimensions
unit : mm
VQFN28 5x5, 0.5P / VQFN28U
CASE 508AV
ISSUE O
No.A2293-2/7
LA8153QA
SAW Driver Output 2
SAW Driver Output 1
NC
NC
IF AGC AMP Input 2
IF AGC AMP Input 1
IF AGC AMP GND
Pin Assignment and Block Diagram
28
27
26
25
24
23
22
IF AGC
AMP
NC 1
21 Post AMP GND
SAW
Driver
Post AMP
PON 2
20 Post AMP Output 1
19 Post AMP Output 2
SAW Driver VCC 3
RF Mixer
18 Post AMP VCC
SAW Driver GND 4
17 IF AGC AMP VCC
RF AGC / MIX / LO GND 5
LO Buffer
16 LO Buffer Input 1
RF AGC / MIX / LO VCC 6
RF AGC
AMP
8
9
10
11
12
13
14
RF AGC AMP Input 1
NC
AGC Control
NC
NC
NC
15 LO Buffer Input 2
RF AGC AMP Input 2
NC 7
No.A2293-3/7
LA8153QA
Pin Description at Ta  25C, VCC = 3.3V
Pin No.
Pin voltage
1

2
0.3V
Description
Equivalent circuit
NC (connect to GND)
PON
VCC
1kΩ
2
50kΩ
3
3.3V
4
0V
SAW Driver GND
5
0V
RF AGC / MIX / LO GND
6
3.3V
RF AGC / MIX / LO VCC
7

8
1.35V
9
1.35V
SAW Driver VCC
NC (connect to GND)
RF AGC Amplifier Input
8
9
1kΩ
10

NC (connect to GND)
11

AGC Control
1kΩ
VCC
1kΩ
11
12, 13, 14

15
1.6V
16
1.6V
NC (connect to GND)
LO Buffer Inputs
3kΩ
300Ω
3kΩ
15
300Ω
16
1mA
17
3.3V
IF AGC Amplifier VCC
18
3.3V
Post Amplifier VCC
19
1.0V
Post Amplifier Outputs
20
1.0V
VCC
30Ω
19
30Ω
20
7mA
7mA
Continued on next page.
No.A2293-4/7
LA8153QA
Continued from preceding page.
Pin No.
Pin voltage
21
0V
Post Amplifier GND
Description
22
0V
IF AGC Amplifier GND
23
2.5V
IF AGC Amplifier Inputs
24
2.5V
Equivalent circuit
1kΩ
1kΩ
23
24
25, 26

NC (connect to GND)
27
2.4V
SAW Driver Outputs
28
2.4V
27
28
20Ω
20Ω
20mA
No.A2293-5/7
LA8153QA
AC Characteristics at Ta = 25C, VCC = 3.3V
CG1 -- f(RF)
25
20
15
10
VAGC = 2.5V
LO freq. = RF freq.+44MHz
LO Level = 107dBμV
5
0
0
50
100
150
CG1 -- VAGC
30
200
250
Mixer conversion gain, CG1 -- dB
Mixer conversion gain, CG1 -- dB
30
20
10
0
-10
-30
300
RF freq. = 100MHz
LO freq. = 144MHz
LO Level = 107dBμV
-20
0
0.5
1.0
120
VO -- RF
100
Hz
1.5
2.0
2.5
3.0
3.5
4.0
AGC voltage, VAGC -- V
RF input frequency, f(RF) -- MHz
G(AGC) -- f
60
Hz
IF amplifier gain, G(AGC) -- dB
M
44
45M
Output level/tone, VO -- dBμV
VAGC = 2.5V
80
60
40
VAGC = 2.5V
RF freq. = 100M,101MHz
LO freq. = 144MHz
LO Level = 107dBμV
20
0
20
40
60
80
100
55
50
45
40
120
0
20
G(AGC) -- VAGC
60
40
60
120
VO -- IF
100
44M
IF freq. = 44MHz
100
50
45
80
45M
55
Hz
Hz
Output level/tone, VO -- dBμV
IF amplifier gain, G(AGC) -- dB
80
Input frequency, f -- MHz
RF input level/tone, RF -- dBμV
60
40
20
VAGC = 2.5V
IF freq. = 43M,44MHz
40
0
0.5
1.0
1.5
2.0
2.5
3.0
AGC voltage, VAGC -- V
3.5
4.0
0
20
30
40
50
60
70
80
IF input level/tone, IF -- dBμV
No.A2293-6/7
LA8153QA
Test Circuit
50Ω
50Ω
f=50MHz
FET PROBE
50Ω
V
1000pF 1000pF
FET PROBE
V
28
27
26
25
24
23
22
IF AGC
AMP
1
Open or GND: Nomal operation
VCC: Power save mode
21
SAW
Driver
Post AMP
2
10kΩ
20
FET PROBE
3
V
19
0.01μF
FET PROBE
RF Mixer
4
V
18
0.01μF
5
17
0.01μF
LO Buffer
6
16
RF AGC
AMP
0.01μF
3.3V
7
3.3V
15
1000pF
8
9
10
11
12
13
14
f=130MHz
1000pF
50Ω
1000pF 1000pF
50Ω
f=80MHz
1kΩ
0.01μF
AGC CONTROL
Attention
Electrostatic capacity of some pins is ±100V under the condition of C = 200pF and R = 0Ω, so please handle carefully
enough.
ORDERING INFORMATION
Device
LA8153QA-WH
Package
VQFN28 5x5, 0.5P / VQFN28U
(Pb-Free / Halogen Free)
Shipping (Qty / Packing)
2000 / Tape & Reel
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PS No.A2293-7/7