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TS636IDT View Datasheet(PDF) - STMicroelectronics

Part NameDescriptionManufacturer
TS636IDT DIFFERENTIAL VARIABLE GAIN AMPLIFIER FOR ADSL LINE INTERFACE ST-Microelectronics
STMicroelectronics ST-Microelectronics
TS636IDT Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
TS636
DIFFERENTIAL VARIABLE GAIN AMPLIFIER
FOR ADSL LINE INTERFACE
s LOW NOISE : 4.7nV/Hz
s LOW DISTORTION
s HIGH SLEW RATE : 90V/µs
s WIDE BANDWIDTH : 52MHz @ -3dB &
18dB gain
s GAIN PROGRAMMABLE from -9dB to +30dB
with 3dB STEPS
s POWER DOWN FUNCTION
DESCRIPTION
This TS636 is particularly intended for applica-
tions such as preamplification in telecommunica-
tion 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 vari-
able 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.
The gain monotonicity is guaranteed by design.
The TS636 comes in SO-14 plastic packages.
APPLICATION
s Preamplifier with automatic gain control for
Asymmetric Digital Subscriber Line (ADSL).
ORDER CODE
Part Number Temperature Range
TS636I
-40, +85°C
Package
D
D = Small Outline Package (SO) - also available in Tape & Reel (DT)
D
SO14
(Plastic Micropackage)
PIN CONNECTIONS (top view)
+Vcc1 1
Input 1 2
Input 2 3
LSB GC1 4
GC2 5
GC3 6
7
MSB GC4
14 +Vcc2
13 Output 1
12 Output 2
11 Power Down
10 -Vcc
9 AGND
8 DGND
January 2001
1/9
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