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VCA2617RHBT

2-channel smaller package variable gain amplifier

Hersteller:

Texas Instruments, Inc
Herstellerteil #:

VCA2617RHBT
Datenblatt:

VCA2617RHBT Datenblatt (PDF)
Number of channels:

2
BW at Acl (MHz):

50
Vs (max) (V):

5.25
Vs (min) (V):

4.75
EDA/CAD Modelle:

Fordern Sie kostenlose CAD-Modelle für an VCA2617RHBT

Email: [email protected]

Skype: live:.cid.ab6b29428937b76

Tel: +852 95804164

VCA2617RHBT Allgemeine Beschreibung

The VCA2617 is a dual-channel, continuously variable, voltage-controlled gain amplifier well-suited for a variety of ultrasound systems as well as applications in proximity detectors and test equipment. The VCA2617 uses a true variable-gain amplifier architecture, achieving very good noise performance at low gains, while not sacrificing high gain distortion performance.

Following a linear-in-dB response, the VCA2617 gain can be varied over a 48dB range with a 0.2V to 2.3V control voltage. Two separate high-impedance control inputs allow for a channel independent variation of the gains. Each channel of the VCA2617 can be configured to provide a gain range of -10dB to 38dB, or -16dB to 32dB, depending on the gain select pin (HG)\. This post-gain feature allows the user to optimize the output swing of VCA2617 for a variety of high-speed analog-to-digital converters (ADC). As a means to improve system overload recovery time, the VCA2617 also provides an internal clamping circuitry where an externally applied voltage sets the desired output clamping level.

The VCA2617 operates on a single +5V supply while consuming only 52mW per channel. It is available in a small QFN-32 package (5x5mm).

Hauptmerkmale

INDEPENDENT CHANNEL CONTROLS:
- Gain Range: 48dB
- Clamping Levels
- Post-Gain: 0, +6dB
LOW NOISE: 4.1nV/Hz
LOW POWER: 52mW/Channel
BANDWIDTH: 50MHz
HARMONIC DISTORTION: -53dBc at 5MHz
CROSSTALK: -61dB at 5MHz
5V SINGLE SUPPLY
POWER-DOWN MODE
SMALL QFN-32 PACKAGE (5x5mm)
APPLICATIONS
- MEDICAL AND INDUSTRIAL ULTRASOUND SYSTEMS
  - Suitable for 10-Bit and 12-Bit Systems
- TEST EQUIPMENT
- SONAR

All trademarks are the property of their respective owners.

Spezifikationen

Number of channels	2	BW at Acl (MHz)	50
Vs (max) (V)	5.25	Vs (min) (V)	4.75
Acl, min spec gain (V/V)	0.32	Gain (max) (dB)	48
Slew rate (typ) (V/µs)	100	Operating temperature range (°C)	-40 to 85
Features	Analog Gain Set, Digital Gain Set, Integrated Clamps, Shutdown	Rating	Catalog
feature-type	Variable Gain Amplifier	feature-number-of-elements-per-chip	4
feature-number-of-channels-per-chip	2	feature-rail-to-rail
feature-typical-gain-bandwidth-product-mhz		feature-maximum-voltage-gain-db
feature-minimum-cmrr-db		feature-minimum-psrr-db
feature-output-type	Differential	feature-maximum-input-offset-voltage-mv
feature-maximum-input-bias-current-ua		feature-maximum-input-resistance-mohm	0.3(Typ)@5V
feature-maximum-power-dissipation-mw		feature-packaging	Tape and Reel
feature-rad-hard		feature-pin-count	32
feature-cecc-qualified	No	feature-esd-protection
feature-escc-qualified		feature-military	No
feature-aec-qualified	No	feature-aec-qualified-number
feature-auto-motive	No	feature-p-pap	No
feature-eccn-code	EAR99	feature-svhc	No
feature-svhc-exceeds-threshold	No

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