LA7793V [SANYO]
With Driver amplifier for ADC AGC amplifier; 带驱动放大器，用于ADC的AGC放大器
| 型号： | LA7793V |
| 厂家： | 
SANYO SEMICON DEVICE |
| 描述： | With Driver amplifier for ADC AGC amplifier |
| 文件： | 总4页 (文件大小：67K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Ordering number : ENA1146
Monolithic Linear IC
With Driver amplifier for ADC
LA7793V
AGC amplifier
Overview
The LA7793V is a AGC amplifier with Driver amplifier for ADC.
It is ideally suited for use with receiver systems receiving QPSK and/or QAM data transmissions.
Functions
• IF AGC control
• IF AGC amplifier
• IF Step Gain Controlled amplifier
• Driver amplifier
• ADC drive capability
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Pins 12, 13 and 14
Ratings
Unit
V
Maximum Supply Voltage
V
max
7.0
CC
Circuit Voltages
Circuit Current
V max
Pin 11
V
V
CC
2
I8
I9
Pin 8 sink current
Pin 9 sink current
Ta ≤ 85°C *
mA
mA
mW
°C
2
Allowable Power Dissipation
Operating Temperature
Storage Temperature
Pd max
Topr
360
-40 to +85
-55 to +150
Tstg
°C
* Mounted on specified board: 114.3mm × 76.1mm × 1.6mm, glass epoxy board.
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.
31208 MS 20061213-S00005 No.A1146-1/4
LA7793V
Recommended Operating Conditions at Ta = 25°C
Parameter
Supply Voltage
Symbol
Conditions
Ratings
Unit
V
V
Pins 12,13 and 14
Pins 12,13 and 14
5.0
CC
Operating Supply Voltage
Range
V
op
4.5 to 5.5
V
CC
Electrical Characteristics at Ta = 25°C, V
= 5V
CC
Ratings
typ
Parameter
Symbol
Pin No.
Conditions
Unit
min
max
46
No signal.
Fc: -3dB
27
30
36
mA
MHz
dB
Circuit Current
Itotal
12, 13, 14
8, 9
100
IF Input Frequency Range
Noise Figure
f(in)
NF
gnd: pin 3.
10
7
50MHz
open: pins 4, 5, 6 and 7.
gnd: pin 7.
8, 9
V
= 2.5V
dB
dB
11
open: pins 3, 4, 5 and 6.
Output = 110dBµ each
Inter Modulation
IM3
V
= 2.5V
40
50
11
8/1,16
9/1,16
f1: 50MHz
f2: 56MHz
Total Amplifier Gain
G1
G2
G3
G4
G5
GR
GS
gnd: pin 3.
29.5
33.5
37.5
41.5
32
36
40
44
48
34.5
38.5
42.5
46.5
50.5
dB
dB
dB
dB
open: pins 4, 5, 6 and 7.
gnd: pin 4.
open: pins 3, 5, 6 and 7.
gnd: pin 5
8/1,16
9/1,16
50MHz
V
= 2.5V
open: pins 3, 4, 6 and 7.
gnd: pin 6.
11
open: pins 3, 4, 5 and 7.
gnd: pin 7
45.5
40
dB
dB
open: pins 3, 4, 5 and 6.
AGC Range
Gain Step
8/1,16
9/1,16
V
= 0.5 to 2.5V
11
IF Output Level < ±1dB
3
3
3
3
4
4
5
5
5
5
dB
dB
G2-G1
G3-G2
8/1,16
9/1,16
50MHz
= 2.5V
V
4
dB
G4-G3
11
4
dB
G5-G4
V
V
(IF)1
(IF)2
Output Level
1.0
1.0
Vp-p
Vp-p
8
9
50MHz
= 2.5V
IF Output Level 1
IF Output Level 2
O
V
11
O
Package Dimensions
unit : mm (typ)
3178B
Pd max -- Ta
Mounted on specified board: 114.3×76.1×1.6mm3
400
360
glass epoxy board.
5.2
16
9
300
200
100
0
187
1
8
0.65
0.15
(0.33)
0.22
-40
-20
0
20
40
60
8085
100
Ambient temperature, Ta -- °C
SANYO : SSOP16(225mil)
No.A1146-2/4
LA7793V
Block Diagram
IF AGC Input
V
CC
A/D Converter
16
15
14
13
12
11
10
9
V
V
V
CC CC CC
AGC
Step Gain Amp
Driver Amp
IF Input
IF
Step Gain Contrpl Switch
1
2
3
4
5
6
7
8
A/D Converter
Please connect only one pin to a ground among Pins 3, 4, 5, 6 and 7.
Pin Function
Pin No.
Function
Equivalent circuit
1
IF input.
Bias
16
1kΩ
1kΩ
1
16
2
3
4
5
6
7
GND
Step Gain Control Switch.
Bias
8
9
Driver Output.
V
CC
40Ω
8
9
40Ω
5.7mA
5.7mA
10
GND
Continued on next page.
No.A1146-3/4
LA7793V
Continued from preceding page.
Pin No.
Function
Equivalent circuit
11
AGC Control.
V
CC
1kΩ
11
12
13
14
15
V
CC
GND
SANYO Semiconductor Co.,Ltd. assumes no responsibility for equipment failures that result from using
products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition
ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor Co.,Ltd.
products described or contained herein.
SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all
semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or
malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise
to smoke or fire, or accidents that could cause damage to other property. When designing equipment, adopt
safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not
limited to protective circuits and error prevention circuits for safe design, redundant design, and structural
design.
In the event that any or all SANYO Semiconductor Co.,Ltd. products described or contained herein are
controlled under any of applicable local export control laws and regulations, such products may require the
export license from the authorities concerned in accordance with the above law.
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mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise,
without the prior written consent of SANYO Semiconductor Co.,Ltd.
Any and all information described or contained herein are subject to change without notice due to
product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the
SANYO Semiconductor Co.,Ltd. product that you intend to use.
Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed
for volume production.
Upon using the technical information or products described herein, neither warranty nor license shall be granted
with regard to intellectual property rights or any other rights of SANYO Semiconductor Co.,Ltd. or any third
party. SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's
intellctual property rights which has resulted from the use of the technical information and products mentioned
above.
This catalog provides information as of March, 2008. Specifications and information herein are subject
to change without notice.
PS No.A1146-4/4
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