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Part Name :

TS636IDT View Datasheet(PDF) - STMicroelectronics

Part NameTS636IDT ST-Microelectronics
STMicroelectronics ST-Microelectronics
DescriptionDIFFERENTIAL VARIABLE GAIN AMPLIFIER FOR ADSL LINE INTERFACE
TS636IDT Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
TS636
Output/Input Isolation in Power Down Mode vs.
Frequency
3rd Order Intermodulation
(2 tones : 180kHz and 280kHz)
-50
-60
-70
-80
-90
-100
-110
10kHz
100kHz
1MHz
Frequency
10MHz
-70
-75
60kHZ
90kHZ
-80
220kHZ
-85 230kHZ
-90
0
1
2
3
4
5
Vout peak (V)
3rd Order Intermodulation
(2 tones : 180kHz and 280kHz)
-70
-75
80kHZ
-80
-85 380kHZ
640kHZ
740kHZ
-90
0
1
2
3
4
5
Vout peak (V)
measurement conditions: Vcc=±6V, Rload=500Ω, Tamb=25°C
8/9
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DESCRIPTION
This TS636 is particularly intended for applications such as preamplification in telecommunication systems using multiple carriers. It has been minly designed to fit with ADSL chip-sets such as ASCOT ADSL chip-set for CPE.
The TS636 is a differential digitally controled variable gain amplifier featuring a high slew rate of 90V/µs, a large bandwidth, a very low distortion and a very low current and voltage noise.
The gain can be set from -9dB to +30dB through a 4bit digital word, with 3dB steps.

■ LOW NOISE : 4.7nV/√Hz
■ LOW DISTORTION
■ HIGH SLEW RATE : 90V/µs
■ WIDE BANDWIDTH : 52MHz @ -3dB & 18dB gain
■ GAIN PROGRAMMABLE from -9dB to +30dB with 3dB STEPS
■ POWER DOWN FUNCTION

APPLICATION
■ Preamplifier with automatic gain control for Asymmetric Digital Subscriber Line (ADSL).

 

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