Datasheet
Table Of Contents

0.1 Fm
0.1 Fm
0.1 Fm
33pF
0.1 Fm
0.1 Fm0.1 Fm 6.8 Fm
0.1 Fm
33pF
1kW 1kW
24.9 W
24.9 W24.9 W
24.9 W
THS7530
AGCDetect
V
REF
V
OUT+
V
IN-
V
OUT-
V
IN+
V
S-
V
G-
V
CL-
V
CL+
V
OCM
V
G+
V
S+
=5V
PD
THS7530
www.ti.com
SLOS405C –DECEMBER 2002–REVISED FEBRUARY 2010
HIGH-SPEED, FULLY DIFFERENTIAL, CONTINUOUSLY
VARIABLE GAIN AMPLIFIER
Check for Samples: THS7530
1
FEATURES
DESCRIPTION
23
• Low Noise: V
n
= 1.1 nV/√Hz,
Noise Figure = 9 dB
The THS7530 is fabricated using Texas Instruments'
state-of-the-art BiCom III SiGe complementary bipolar
• Low Distortion:
process. The THS7530 is a dc-coupled, wide
– - HD
2
= -65 dBc, HD
3
= -61 dBc at 32 MHz
bandwidth amplifier with voltage-controlled gain. The
– - IMD
3
= -62 dBc, OIP
3
= 21 dBm at 70 MHz
amplifier has high-impedance differential inputs and
• 300 MHz Bandwidth low-impedance differential outputs with high
bandwidth gain control, output common-mode control,
• Continuously Variable Gain Range: 11.6 dB
and output voltage clamping.
to 46.5 dB
Signal channel performance is exceptional with
• Gain Slope: 38.8 dB/V
300-MHz bandwidth, and third harmonic distortion of
• Fully Differential Input and Output
–61 dBc at 32 MHz with 1-V
PP
output into 400 Ω.
• Output Common-Mode Voltage Control
Gain control is linear in dB with 0 V to 0.9 V varying
• Output Voltage Limiting
the gain from 11.6 dB to 46.5 dB with 38.8-dB/V gain
slope.
APPLICATIONS
Output voltage limiting is provided to limit the output
• Time Gain Amplifiers in Ultra Sound, Sonar,
voltage swing, and prevent saturating following
and Radar
stages.
• Automatic Gain Control in Communication
The device is characterized for operation over the
and Video
industrial temperature range, –40°C to +85°C.
• System Gain Calibration in Communications
• Variable Gain in Instrumentation
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2PowerPAD is a trademark of Texas Instruments.
3All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2002–2010, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.