TS652ID

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LOW NOISE : 4.6nV/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
DESCRIPTION
The TS652 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.
This device is particularly intended for applications
such as preamplification in telecommunication
systems using multiple carriers.
APPLICATION
Preamplifier and automatic gain control for
Assymetric Digital Subscriber Line (ADSL).
ORDER CODE
D = Small Outline Package (SO) - also available in Tape & Reel (DT)
PIN CONNECTIONS (top view)
Part Number Temperature Range
Package
D
TS652ID -40, +85°C
D
SO-14
(Plastic Micropackage)
+Vcc2
Input 1
Input 2
-Vcc
DGND
LSB GC1
GC2
GC3
MSB GC4
Output 1
1
2
3
4
5
6
7
14
13
12
11
10
9
8
Output 2
AGND
Power Down
+Vcc1
Gain Control
Logic Decoder
TS652
DIFFERENTIAL VARIABLE GAIN AMPLIFIER
October 2001
Obsolete Product(s) - Obsolete Product(s)Obsolete Product(s) - Obsolete Product(s)
Obsolete Product(s) - Obsolete Product(s)Obsolete Product(s) - Obsolete Product(s)
TS652
2/9
ABSOLUTE MAXIMUM RATINGS
OPERATING CONDITIONS
Symbol Parameter Value Unit
V
CC
Supply voltage
1)
14 V
V
i
Input Voltage
2)
0 to 14 V
T
oper
Operating Free Air Temperature Range TS652ID -40 to + 85 °C
T
std
Storage Temperature -65 to +150 °C
T
j
Maximum Junction Temperature 150 °C
R
thjc
Thermal Resistance Junction to Case 22 °C/W
R
thja
Thermal Resistance Junction to Ambiante Area 125 °C/W
Output Short Circuit Duration Infinite
1. All voltages values are with respect to network terminal.
2. The magnitude of input and output voltages must never exceed V
CC
+0.3V.
Symbol Parameter Value Unit
V
CC
Supply Voltage 5 to 12 V
V
icm
Common Mode Input Voltage
V
CC
/2
V
Obsolete Product(s) - Obsolete Product(s)Obsolete Product(s) - Obsolete Product(s)
TS652
3/9
ELECTRICAL CHARACTERISTICS. V
CC
= ±6Volts, T
amb
= 25°C (unless otherwise specified).
Symbol Parameter Test Condition Min. Typ. Max Unit
DC PERFORMANCE
V
i
Voltage on the Input Pin 0 V
I
CC
Total Supply Current
No load, V
out
= 0
28 mA
V
OFFSET
Differential Input Offset Voltage
V
in
= 0, A
V
= 30dB
6mV
SVR Supply Voltage Rejection Ratio
A
V
= 0dB
50 80 dB
POWER DOWN MODE
V
pdw
Thershold Voltage for Power
Down Mode (high level active)
Low Level 0 0.8 V
High Level 2 3.3 V
I
ccpdw
Power Down Total Consumption Power Down Mode 150
µ
A
Z
out
Power Down Output Impedance Power Down Mode 100k
150k
//5pF
AC PERFORMANCE
Z
in
Input Impedance 100k
//5pF
V
OH
High Level Output Voltage
R
L
connected to GND
R
L
= 500
4 4.5 V
V
OL
Low Level Output Voltage
R
L
connected to GND
R
L
= 500
-4.5 -4 V
A
V
Voltage Gain F= 1MHz
-9 30 dB
Gain monotonicity guaranteed by design
P
AV
Precision of the Voltage Gain F= 1MHz -1 1 dB
A
vstep
Step Value F= 1MHz 2.4 3 3.6 dB
A
vmin
Gain Mismatch between Both
Channels
F= 1MHz 1 dB
B
w
Bandwidth @ -3dB
R
L
= 500
C
L
= 15pF
A
V
= -9dB
55 110 200
MHz
A
V
= 0dB
32 69 132
A
V
= +18dB
26 52 100
A
V
= +30dB
10 18 36
R
bw
Bandwidth Roll-off
A
V
= +30dB, F = 1MHz
0.08 dB
I
o
Bandwidth @ -3dB
R
L
= 500
, C
L
= 15pF
|Source| 17 28
mA
Sink 17 22
SR Slew Rate (gain independent)
V
o
= 2Vpeak
50 100 V/
µ
s
NOISE AND DISTORTION
in Equivalent Input Noise Current F = 100kHz 1.5 pA/
Hz
en Equivalent Input Noise Voltage
F = 100kHz
A
V
= 30dB
4.6 nV/
Hz
THD30 Harmonic Distorsion
1Vpeak, F = 150kHz,
A
V
= +30dB, R
L
= 500
//15pF
dBc
H2 -70
H3 -93
H4 -98
H5 -99
IM3
Third Order Intermodulation
Product
F1 = 180kHz, F2 = 280kHz
V
out
= 1Vpeak, A
V
= +30dB
R
L
= 500
//15pF
dBc
@ 80kHz -77
@ 380kHz -85
@640kHz -86
@740kHz -87
IM3
Third Order Intermodulation
Product
F1 = 70kHz, F2 = 80kHz
V
out
= 1Vpeak, A
V
= +30dB
R
L
= 500
//15pF
dBc
@ 60kHz -77
@ 90kHz -79
@220kHz -83
@230kHz -84

TS652ID

Mfr. #:
Manufacturer:
STMicroelectronics
Description:
Differential Amplifiers Diff Variable Gain
Lifecycle:
New from this manufacturer.
Delivery:
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