LMH6321

AKTIV

Hochgeschwindigkeitspuffer, 300 mA, mit einstellbarer Strombegrenzung

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Datenblatt

document-pdfAcrobat LMH6321 300 mA High Speed Buffer with Adjustable Current Limit datasheet (Rev. D) (Englisch) PDF | HTML

LMH6321

AKTIV

Datenblatt

Jetzt bestellen

Produktdetails

Architecture

Open Loop/Buffer

Number of channels

1

Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)

5

Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)

32

GBW (typ) (MHz)

110

BW at Acl (MHz)

110

Acl, min spec gain (V/V)

1

Slew rate (typ) (V/µs)

1800

Vn at flatband (typ) (nV√Hz)

2.8

Vn at 1 kHz (typ) (nV√Hz)

5

Iq per channel (typ) (mA)

11

Vos (offset voltage at 25°C) (max) (mV)

35

Features

Adjustable BW/IQ/IOUT

Rating

Catalog

Operating temperature range (°C)

-40 to 125

Input bias current (max) (pA)

15000

Iout (typ) (mA)

300

2nd harmonic (dBc)

68

3rd harmonic (dBc)

73

Frequency of harmonic distortion measurement (MHz)

1

Architecture

Open Loop/Buffer

Number of channels

1

Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)

5

Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)

32

GBW (typ) (MHz)

110

BW at Acl (MHz)

110

Acl, min spec gain (V/V)

1

Slew rate (typ) (V/µs)

1800

Vn at flatband (typ) (nV√Hz)

2.8

Vn at 1 kHz (typ) (nV√Hz)

5

Iq per channel (typ) (mA)

11

Vos (offset voltage at 25°C) (max) (mV)

35

Features

Adjustable BW/IQ/IOUT

Rating

Catalog

Operating temperature range (°C)

-40 to 125

Input bias current (max) (pA)

15000

Iout (typ) (mA)

300

2nd harmonic (dBc)

68

3rd harmonic (dBc)

73

Frequency of harmonic distortion measurement (MHz)

1

TO-263 (KTW)

7

153.924 mm² (10.1 mm × 15.24 mm)

HSOIC (DDA)

8

29.4 mm² (4.9 mm × 6 mm)

High slew rate 1800 V/µs
Wide bandwidth 110 MHz
Continuous output current ±300 mA
Output current limit tolerance ±5 mA ±5%
Wide supply voltage range 5 V to ±15 V
Wide temperature range −40°C to +125°C
Adjustable current limit
High capacitive load drive
Thermal shutdown error flag

High slew rate 1800 V/µs
Wide bandwidth 110 MHz
Continuous output current ±300 mA
Output current limit tolerance ±5 mA ±5%
Wide supply voltage range 5 V to ±15 V
Wide temperature range −40°C to +125°C
Adjustable current limit
High capacitive load drive
Thermal shutdown error flag

The LMH6321 is a high speed unity gain buffer that slews at 1800 V/µs and has a small signal bandwidth of 110 MHz while driving a 50 Ω load. It can drive ±300 mA continuously and will not oscillate while driving large capacitive loads.

The LMH6321 features an adjustable current limit. The current limit is continuously adjustable from 10 mA to 300 mA with a ±5 mA ±5% accuracy. The current limit is set by adjusting an external reference current with a resistor. The current can be easily and instantly adjusted, as needed by connecting the resistor to a DAC to form the reference current. The sourcing and sinking currents share the same current limit.

The LMH6321 is available in a space saving 8-pin SO PowerPAD or a 7-pin DDPAK power package. The SO PowerPAD™ package features an exposed pad on the bottom of the package to increase its heat sinking capability. The LMH6321 can be used within the feedback loop of an operational amplifier to boost the current output or as a stand alone buffer.

The LMH6321 is a high speed unity gain buffer that slews at 1800 V/µs and has a small signal bandwidth of 110 MHz while driving a 50 Ω load. It can drive ±300 mA continuously and will not oscillate while driving large capacitive loads.

The LMH6321 features an adjustable current limit. The current limit is continuously adjustable from 10 mA to 300 mA with a ±5 mA ±5% accuracy. The current limit is set by adjusting an external reference current with a resistor. The current can be easily and instantly adjusted, as needed by connecting the resistor to a DAC to form the reference current. The sourcing and sinking currents share the same current limit.

The LMH6321 is available in a space saving 8-pin SO PowerPAD or a 7-pin DDPAK power package. The SO PowerPAD™ package features an exposed pad on the bottom of the package to increase its heat sinking capability. The LMH6321 can be used within the feedback loop of an operational amplifier to boost the current output or as a stand alone buffer.

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Technische Dokumentation

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Top-Dokumentation	Typ	Titel	Format-Optionen	Datum
*	Datenblatt	LMH6321 300 mA High Speed Buffer with Adjustable Current Limit datasheet (Rev. D)	PDF \| HTML	24.09.2021
	E-book	The Signal e-book: A compendium of blog posts on op amp design topics	PDF \| HTML	28.03.2017
	Benutzerhandbuch	LMH6321 PSOP & TO-263 Sin Open Loop HS Buffer Eval Brds (Rev. C)		03.05.2013
	Anwendungshinweis	Reference Clock Loop Through Application		16.01.2009

Design und Entwicklung

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Evaluierungsplatine

LMH6321MR-EVAL — Evaluierungs-PCB für Highspeed Einzel-Buffer mit offenem Regelkreis im 8-Pin PSOP Gehäuse

TI offers this unpopulated Evaluation Board to aid in the evaluation and testing of high-speed Open-Loop Buffer that are offered in the 8-Pin PSOP package. Resistors, capacitors, or any other surface-mount components can be easily mounted on this board in the desired circuit configuration. The (...)

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