Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsLinear ICsLinear IC - Op-amp Voltage feedback SOIC 8

Q, K ARE UNITLESS.

IS RELATED TO BANDWIDTH AND IS IN UNITS OF

RADIANS/SEC. DIVIDE Z

BY 2S TO GET IT IN Hz.

REFER TO OA-26 FOR MORE INFORMATION.

mRC

)

(

K-

LMH6609

www.ti.com

SNOSA84F –AUGUST 2003–REVISED MARCH 2013

LMH6609 900MHz Voltage Feedback Op Amp

Check for Samples: LMH6609

FEATURES

DESCRIPTION

• 900MHz −3dB bandwidth (A

= 1)

The LMH6609 is an ultra wideband, unity gain stable,

• Large signal bandwidth and slew rate 100%

low power, voltage feedback op amp that offers

tested

900MHz bandwidth at a gain of 1, 1400V/μs slew rate

• 280MHz −3dB bandwidth (A

= +2, V

OUT

= 2V

)

and 90mA of linear output current.

• 90mA linear output current

The LMH6609 is designed with voltage feedback

• 1400V/μs slew rate

architecture for maximum flexibility especially for

active filters and integrators. The LMH6609 has

• Unity gain stable

balanced, symmetrical inputs with well-matched bias

• <1mV input Offset voltage

currents and minimal offset voltage.

• 7mA Supply current (no load)

With Differential Gain of 0.01% and Differential Phase

• 6.6V to 12V supply voltage range

of 0.026° the LMH6609 is suited for video

• 0.01%/0.026° differential gain/phase PAL

applications. The 90mA of linear output current

makes the LMH6609 suitable for multiple video loads

• 3.1nV√Hz voltage noise

and cable driving applications as well.

• Improved replacement for CLC440, CL420,

The supply voltage is specified at 6.6V and 10V. A

CL426

low supply current of 7mA (at 10V supply) makes the

LMH6609 useful in a wide variety of platforms,

APPLICATIONS

including portable or remote equipment that must run

• Test equipment

from battery power.

• IF/RF amplifier

The LMH6609 is available in the industry standard 8-

• A/D Input driver

pin SOIC package and in the space-saving 5-pin

SOT-23 package. The LMH6609 is specified for

• Active filter

operation over the -40°C to +85°C temperature

• Integrator

range. The LMH6609 is manufactured in state-of-the-

• DAC output buffer

art VIP10™ technology for high performance.

• TI's Transimpedance amplifier

Typical Application

Figure 1. Sallen Key Low Pass Filter with Equal C Value

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.

2VIP10 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.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

Summary of content (26 pages)

PAGE 1
LMH6609 www.ti.com SNOSA84F – AUGUST 2003 – REVISED MARCH 2013 LMH6609 900MHz Voltage Feedback Op Amp Check for Samples: LMH6609 FEATURES 1 • • 23 • • • • • • • • • • 900MHz −3dB bandwidth (AV = 1) Large signal bandwidth and slew rate 100% tested 280MHz −3dB bandwidth (AV = +2, VOUT = 2VPP) 90mA linear output current 1400V/μs slew rate Unity gain stable <1mV input Offset voltage 7mA Supply current (no load) 6.6V to 12V supply voltage range 0.01%/0.026° differential gain/phase PAL 3.
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LMH6609 SNOSA84F – AUGUST 2003 – REVISED MARCH 2013 www.ti.com These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. Absolute Maximum Ratings (1) VS (V+ - V−) ±6.
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LMH6609 www.ti.com SNOSA84F – AUGUST 2003 – REVISED MARCH 2013 ±5V Electrical Characteristics (continued) Unless specified, AV = +2, RF = 250Ω: VS = ±5V, RL = 100Ω; unless otherwise specified. Boldface limits apply over temperature Range. (1) Symbol Parameter Conditions Min Typ Max Units Distortion and Noise Response HD2 2nd Harmonic Distortion 2VPP, 20MHz −63 dBc HD3 3rd Harmonic Distortion 2VPP, 20MHz −57 dBc Equivalent Input Noise VN Voltage Noise >1MHz 3.
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LMH6609 SNOSA84F – AUGUST 2003 – REVISED MARCH 2013 www.ti.com ±3.3V Electrical Characteristics Unless specified, AV = +2, RF = 250Ω: VS = ±3.3V, RL = 100Ω; unless otherwise specified. Boldface limits apply over temperature Range. (1) Symbol Parameter Conditions Min Typ Max Units Frequency Domain Response SSBW −3dB Bandwidth VOUT = 0.5VPP 180 MHz LSBW −3dB Bandwidth VOUT = 3.0VPP 110 MHz SSBWG1 −3dB Bandwidth AV = 1 VOUT = 0.25VPP 450 MHz GFP .
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LMH6609 www.ti.
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LMH6609 SNOSA84F – AUGUST 2003 – REVISED MARCH 2013 www.ti.com Typical Performance Characteristics Small Signal Non-Inverting Frequency Response Large Signal Non-Inverting Frequency Response 3 3 AV = 1, RF = 0: AV = 1, RF = 0: 1 -1 AV = 6 -3 AV = 2 -1 AV = 10 GAIN (dB) GAIN (dB) 1 AV = 2 AV = 4 -5 AV = 4 -3 AV = 6 AV = 10 -5 VS = ±5V -7 VS = ±5V -7 RF = 250: RF = 250: VOUT = 0.5VPP VOUT = 4VPP -9 -9 1 10 100 1 1000 10 100 FREQUENCY (MHz) Figure 2. Figure 3.
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LMH6609 www.ti.com SNOSA84F – AUGUST 2003 – REVISED MARCH 2013 Typical Performance Characteristics (continued) Frequency Response vs. VOUT AV = 1 Frequency Response vs. VOUT AV = −1 3 3 VOUT = 0.25VPP VOUT = 1VPP 1 1 -1 VOUT = 2VPP GAIN (dB) GAIN (dB) -1 VOUT = 1VPP -3 VOUT = 0.5VPP -5 VOUT = 0.25VPP VOUT = 0.5VPP -3 VOUT = 2VPP -5 VS = ±3.3V -7 VS = ±3.3V -7 RF = 0: RF = AV = 1V/V -9 -9 1 10 100 1 1000 100 FREQUENCY (MHz) Figure 8. Figure 9. Frequency Response vs.
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LMH6609 SNOSA84F – AUGUST 2003 – REVISED MARCH 2013 www.ti.com Typical Performance Characteristics (continued) CMRR vs. Frequency PSRR vs. Frequency 90 90 80 80 PSRR70 70 PSRR+ 60 PSRR (dB) CMRR (dB) VS = ±5V 50 VS = ±3.3V 40 60 50 40 30 30 20 20 10 10 0.001 0.01 1 0.1 10 VS = ±3.3V 0 0.1 0.001 0.01 100 10 FREQUENCY (MHz) Figure 14. Figure 15. PSRR vs. Frequency 100 Pulse Response 90 0.75 PSRR- AV = +2 80 0.
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LMH6609 www.ti.com SNOSA84F – AUGUST 2003 – REVISED MARCH 2013 Typical Performance Characteristics (continued) Noise vs. Frequency HD2 vs. VOUT 100 10 VOLTAGE NOISE DISTORTION PRODUCTS (dBc) Hz) 10 CURRENT NOISE (pA/ Hz) VOLTAGE NOISE (nV/ -40 100 CURRENT NOISE 1 1 1 1k 100 10 10k 100k -50 -55 20MHz -60 -65 10MHz -70 -75 -80 -85 2MHz -90 1M 0 1 2 VOUT (VPP) Figure 20. Figure 21. HD3 vs. VOUT HD2 vs.
PAGE 10
LMH6609 SNOSA84F – AUGUST 2003 – REVISED MARCH 2013 www.ti.com Typical Performance Characteristics (continued) HD2 & HD3 vs. Frequency Differential Gain & Phase 0.015 -40 0.01 -55 -60 HD3 -65 HD2 -70 -75 -80 0.04 PHASE 0.005 0.02 0 0 -0.02 -0.005 GAIN -0.04 -0.01 -85 -90 10 -0.06 -0.015 -0.75 100 -0.5 FREQUENCY (MHz) -0.25 Differential Gain & Phase PHASE 0.0075 0.003 0 0 -0.0075 -0.003 -0.015 GAIN -0.0225 -0.009 0 0.25 0.5 GAIN (dB) 0.015 0.
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LMH6609 www.ti.com SNOSA84F – AUGUST 2003 – REVISED MARCH 2013 APPLICATION INFORMATION GENERAL DESIGN EQUATION The LMH6609 is a unity gain stable voltage feedback amplifier. The matched input bias currents track well over temperature. This allows the DC offset to be minimized by matching the impedance seen by both inputs. GAIN The non-inverting and inverting gain equations for the LMH6609 are as follows: RF NON-INVERTING GAIN : 1+ RG RF INVERTING GAIN : RG (1) Figure 32.
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LMH6609 SNOSA84F – AUGUST 2003 – REVISED MARCH 2013 www.ti.com Figure 33. Typical Inverting Application Figure 34.
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LMH6609 www.ti.com SNOSA84F – AUGUST 2003 – REVISED MARCH 2013 Figure 35. AC Coupled Non-Inverting GAIN BANDWIDTH PRODUCT The LMH6609 is a voltage feedback amplifier, whose closed-loop bandwidth is approximately equal to the gainbandwidth product (GBP) divided by the gain (AV). For gains greater than 5, AV sets the closed-loop bandwidth of the LMH6609.
PAGE 14
LMH6609 SNOSA84F – AUGUST 2003 – REVISED MARCH 2013 www.ti.com When driving a capacitive load or coaxial cable, include a series resistance ROUT to back match or improve settling time. Refer to the Driving Capacitive Loads section for guidance on selecting an output resistor for driving capacitive loads. EVALUATION BOARDS TI offers the following evaluation boards as a guide for high frequency layout and as an aid in device testing and characterization.
PAGE 15
LMH6609 www.ti.com SNOSA84F – AUGUST 2003 – REVISED MARCH 2013 COMPONENT SELECTION AND FEEDBACK RESISTOR Surface mount components are highly recommended for the LMH6609. Leaded components will introduce unpredictable parasitic loading that will interfere with proper device operation. Do not use wire wound resistors. The LMH6609 operates best with a feedback resistor of approximately 250Ω for all gains of +2 and greater and for −1 and less.
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LMH6609 SNOSA84F – AUGUST 2003 – REVISED MARCH 2013 www.ti.com 6.8PF C2 10nF RS 75: C1 ROUT 75: + VS + RIN 75: VOUT RG 250: RF 250: 10nF C3 6.8PF C4 Figure 37. Typical Video Application ESD PROTECTION The LMH6609 is protected against electrostatic discharge (ESD) on all pins. The LMH6609 will survive 2000V Human Body model or 200V Machine model events. Under closed loop operation the ESD diodes have no effect on circuit performance.
PAGE 17
LMH6609 www.ti.com SNOSA84F – AUGUST 2003 – REVISED MARCH 2013 Rectifier The large bandwidth of the LMH6609 allows for high-speed rectification. A common rectifier topology is shown in Figure 39. R1 and R2 set the gain of the rectifier. D1 R2 R1 VIN - D2 VOUT + Figure 39.
PAGE 18
LMH6609 SNOSA84F – AUGUST 2003 – REVISED MARCH 2013 www.ti.com REVISION HISTORY Changes from Revision E (March 2013) to Revision F • 18 Page Changed layout of National Data Sheet to TI format ..........................................................................................................
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PACKAGE OPTION ADDENDUM www.ti.
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PACKAGE OPTION ADDENDUM www.ti.com 1-Nov-2013 (6) Lead/Ball Finish - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead/Ball Finish values may wrap to two lines if the finish value exceeds the maximum column width. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided.
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PACKAGE MATERIALS INFORMATION www.ti.com 23-Sep-2013 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant LMH6609MAX/NOPB SOIC D 8 2500 330.0 12.4 6.5 5.4 2.0 8.0 12.0 Q1 LMH6609MF/NOPB SOT-23 DBV 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 Q3 LMH6609MFX/NOPB SOT-23 DBV 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.
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PACKAGE MATERIALS INFORMATION www.ti.com 23-Sep-2013 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) LMH6609MAX/NOPB SOIC D 8 2500 367.0 367.0 35.0 LMH6609MF/NOPB SOT-23 DBV 5 1000 210.0 185.0 35.0 LMH6609MFX/NOPB SOT-23 DBV 5 3000 210.0 185.0 35.
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