Ordering number : ENA1273
Monolithic Linear IC
LA8123TT
Overview
For Digital CATV/Cable Modem Receiver
AGC Amplifier
LA8123TT is an AGC amplifier. It is ideally suited for use with Digital TV, Digital CATV, Cable modem receiver and IP
Telephony receiver.
Functions
•
IF AGC control
•
IF AGC amplifier
•
Driver amplifier
Specifications
Maximum Ratings
at Ta = 25°C
Parameter
Maximum supply voltage
Input voltages
Circuit Current
Symbol
VCC max
Vin
I6
I7
Allowable Power Dissipation
Operating Temperature Range
Storage Temperature Range
Pd max
Topr
Tstg
1.6mm, glass epoxy board.
Pin 1
Pin 2, 3, 4
Pin 6 sink current
Pin 7 sink current
Ta
≤
85°C *
Conditions
Ratings
7.0
-0.3 to VCC op+0.3
2
2
310
-20 to 85
-55 to 150
Unit
V
V
mA
mA
mW
°C
°C
* : Specified board : 45.0mm
×
43.0mm
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer
'
s products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer
'
s products or
equipment.
90308 MS PC 20060421-S00003 No.A1273-1/7
LA8123TT
Recommended Operating Conditions
at Ta = 25°C
Parameter
Recommended supply voltage
Operating supply voltage range
AGC control voltage range
Symbol
VCC
VCC op
Vagc
Pin 1
Pin 1
Pin 4
Conditions
Ratings
5.0
4.5 to 5.5
0 to 3.3
Unit
V
V
V
Electrical Characteristics
at Ta
=
25°C, VCC = 5.0V
Parameter
Circuit current
Input frequency range
Noise figure
Inter modulation
Symbol
Itotal
fin
NF
IM3
Pin
No.
1
2, 3
6, 7
6, 7
No signal
fc : -3dB
V4 = 3.0V, f = 45MHz
V4 = 3.0V,
f1 = 44MHz, f2 = 45MHz,
Output level = 104dBμV/tone
Total amplifier gain
AGC range
G (AGC1)
GR (1)
GR (2)
Maximum Output Level
Output offset
VO
dVO
6/2, 3
7/2, 3
6/2, 3
7/2, 3
6/2, 3
7/2, 3
6, 7
6, 7
Output level = 110dBμV
V4 = 0.3V to 3.0V, f = 45MHz
Input level = 50dBμV
V4 = 0.3V to 3.0V, f = 45MHz
f = 45MHz
V4 = 3.0V, f = 45MHz
Output level = 110dBμV
(Pin 7 output) - (Pin 6 output)
Maximum gain
AGC control voltage
Minimum gain
AGC control voltage
Input impedance
Zin
2, 3
V4 = 0V, f = 45MHz
3
1//4.7
kΩ//pF
V4L
4
Minimum gain
1
0
0.3
V
V4H
4
Maximum gain
1
3.0
3.3
V
1
1
1.8
-0.5
0
0.5
Vp-p
dB
1
45
dB
1
40
dB
V4 = 3.0V, f = 45MHz
1
57
60
63
dB
Conditions
Test
circuit
1
1
2
1
50
min
33
30
5
Ratings
typ
38
max
43
70
mA
MHz
dB
dBc
Unit
Package Dimensions
unit : mm (typ)
3245B
3.0
8
3.0
4.9
1
(0.53)
2
0.65
0.25
(0.85)
1.1MAX
0.125
SANYO : MSOP8(150mil)
0.08
0.5
No.A1273-2/7
无线连接
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
