Datasheet > LMH6503

LMH6503

更新时间： 2024-09-17 11:09:19

品牌	Logo	应用领域
德州仪器 - TI		放大器
页数	文件大小	规格书
36页	1865K
描述
宽带、低功耗、线性可变增益放大器

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LMH6503 数据手册

LMH6503

www.ti.com

SNOSA78E –OCTOBER 2003–REVISED APRIL 2013

LMH6503 Wideband, Low Power, Linear Variable Gain Amplifier

Check for Samples: LMH6503

FEATURES

DESCRIPTION

The LMH™6503 is

a wideband, DC coupled,

•

V_S= ±5V, T_A= 25°C, R_F= 1kΩ, R_G= 174Ω, R_L=

100Ω, A_V= A_V(MAX)= 10, Typical Values Unless

Specified.

differential input, voltage controlled gain stage

followed by a high-speed current feedback Op Amp

which can directly drive a low impedance load. Gain

adjustment range is more than 70dB for up to 10MHz.

•

-3dB BW 135MHz

•

Gain Control BW 100MHz

Maximum gain is set by external components and the

gain can be reduced all the way to cut-off. Power

consumption is 370mW with a speed of 135MHz .

Output referred DC offset voltage is less than 350mV

over the entire gain control voltage range. Device-to-

device Gain matching is within 0.7dB at maximum

gain. Furthermore, gain at any V_Gis tested and the

tolerance is ensured. The output current feedback Op

Amp allows high frequency large signals (Slew Rate

= 1800V/μs) and can also drive heavy load current

(75mA). Differential inputs allow common mode

rejection in low level amplification or in applications

where signals are carried over relatively long wires.

For single ended operation, the unused input can

easily be tied to ground (or to a virtual half-supply in

single supply application). Inverting or non-inverting

gains could be obtained by choosing one input

polarity or the other.

Adjustment Range (Typical Over Temp) 70dB

Gain Matching (Limit) ±0.7dB

Slew Rate 1800V/µs

Supply Current (No Load) 37mA

Linear Output Current ±75mA

Output Voltage (R_L= 100Ω) ±3.2V

Input Voltage Noise 6.6nV/√Hz

Input Current Noise 2.4pA/√Hz

THD (20MHz, R_L= 100Ω, V_O= 2V_PP) −57dBc

Replacement for CLC522

APPLICATIONS

•

Variable Attenuator

AGC

To further increase versatility when used in a single

supply application, gain control range is set to be

from −1V to +1V relative to pin 11 potential (ground

pin). In single supply operation, this ground pin is tied

to a "virtual" half supply. Gain control pin has high

input impedance to simplify its drive requirement.

Gain control is linear in V/V throughout the gain

adjustment range. Maximum gain can be set to be

anywhere between 1V/V to 100V/V or higher. For

linear in dB gain control applications, see LMH6502

datasheet.

Voltage Controller Filter

Multiplier

The LMH6503 is available in the SOIC-14 and

TSSOP-14 package.

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.

LMH is a trademark of Texas Instruments.

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...36

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与LMH6503相关器件

型号	品牌	获取价格	描述	数据表
LMH6503MA	NSC	获取价格	Wideband, Low Power, Linear Variable Gain Amplifier
LMH6503MA/NOPB	NSC	获取价格	IC SPECIALTY ANALOG CIRCUIT, PDSO14, SOIC-14, Analog IC:Other
LMH6503MA/NOPB	TI	获取价格	宽带、低功耗、线性可变增益放大器 \| D \| 14 \| -40 to 85
LMH6503MAX	NSC	获取价格	Wideband, Low Power, Linear Variable Gain Amplifier
LMH6503MAX/NOPB	NSC	获取价格	IC SPECIALTY ANALOG CIRCUIT, PDSO14, SOIC-14, Analog IC:Other
LMH6503MAX/NOPB	TI	获取价格	宽带、低功耗、线性可变增益放大器 \| D \| 14 \| -40 to 85
LMH6503MT	NSC	获取价格	Wideband, Low Power, Linear Variable Gain Amplifier
LMH6503MT	TI	获取价格	宽带、低功耗、线性可变增益放大器 \| PW \| 14 \| -40 to 85
LMH6503MT/NOPB	NSC	获取价格	IC SPECIALTY ANALOG CIRCUIT, PDSO14, TSSOP-14, Analog IC:Other
LMH6503MT/NOPB	TI	获取价格	宽带、低功耗、线性可变增益放大器 \| PW \| 14 \| -40 to 85

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