Datasheet > LMH6502

LMH6502

更新时间： 2024-09-17 11:06:39

品牌	Logo	应用领域
德州仪器 - TI		放大器
页数	文件大小	规格书
29页	1544K
描述
宽带、低功耗、dB 线性可变增益放大器

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LMH6502 数据手册

LMH6502

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SNOSA65D –OCTOBER 2003–REVISED MARCH 2013

LMH6502 Wideband, Low Power, Linear-in-dB Variable Gain Amplifier

Check for Samples: LMH6502

FEATURES

DESCRIPTION

The LMH™6502 is

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: 130MHz

•

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 300mW with a speed of 130MHz.

Output referred DC offset voltage is less than 350mV

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

device Gain matching is within ±0.6dB 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): ±0.6dB

Slew Rate: 1800V/µs

Supply Current (No Load): 27mA

Linear Output Current: ±75mA

Output Voltage (R_L= 100Ω): ±3.2V

Input Voltage Noise: 7.7nV/√Hz

Input Current Noise: 2.4pA/√Hz

THD (20MHz, R_L= 100Ω, V_O= 2V_PP): −53dBc

Replacement for CLC520

APPLICATIONS

•

Variable Attenuator

AGC

To provide ease of use when working with a single

supply, V_Grange is set to be from 0V to +2V relative

to pin 11 potential (ground pin). In single supply

operation, this ground pin is tied to a "virtual" half

supply.

Voltage Controller Filter

Video Imaging Processing

LMH6502 gain control is linear in dB for a large

portion of the total gain control range. This makes the

device suitable for AGC circuits among other

applications. For linear gain control applications, see

the LMH6503 datasheet. The LMH6502 is available in

the SOIC and TSSOP 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...29

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与LMH6502相关器件

型号	品牌	获取价格	描述	数据表
LMH6502_15	TI	获取价格	LMH6502 Wideband, Low Power, Linear-in-dB Variable Gain Amplifier
LMH6502MA	NSC	获取价格	Wideband, Low Power, Linear-in-dB Variable Gain Amplifier
LMH6502MA	TI	获取价格	LMH6502 Wideband, Low Power, Linear-in-dB Variable Gain Amplifier
LMH6502MA/NOPB	TI	获取价格	LMH6502 Wideband, Low Power, Linear-in-dB Variable Gain Amplifier
LMH6502MAX	NSC	获取价格	Wideband, Low Power, Linear-in-dB Variable Gain Amplifier
LMH6502MAX/NOPB	NSC	获取价格	IC SPECIALTY ANALOG CIRCUIT, PDSO14, SOIC-14, Analog IC:Other
LMH6502MAX/NOPB	TI	获取价格	LMH6502 Wideband, Low Power, Linear-in-dB Variable Gain Amplifier
LMH6502MT	NSC	获取价格	Wideband, Low Power, Linear-in-dB Variable Gain Amplifier
LMH6502MT/NOPB	NSC	获取价格	IC SPECIALTY ANALOG CIRCUIT, PDSO14, TSSOP-14, Analog IC:Other
LMH6502MT/NOPB	TI	获取价格	LMH6502 Wideband, Low Power, Linear-in-dB Variable Gain Amplifier

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