Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsLinear ICsLinear IC - Op-amp Voltage feedback SOT 23 5

COM

POTENTIAL

±160 mA

TFT

PANEL

10:

LMH6640

300:

3 k:

10V - 16V

LMH6640

www.ti.com

SNOSAA0B –FEB 2004–REVISED MARCH 2013

LMH6640 TFT-LCD Single, 16V Rail-to-Rail High Output Operational Amplifier

Check for Samples: LMH6640

FEATURES

DESCRIPTION

• (V

= 16V, R

= 2 kΩ to V

/2, 25°C, Typical

The LMH™6640 is a voltage feedback operational

Values Unless Specified)

amplifier with a rail-to-rail output drive capability of

• Supply current (no load) 4 mA

100 mA. Employing TI’s patented VIP10 process, the

• Output resistance (closed loop 1 MHz) 0.35Ω

LMH6640 delivers a bandwidth of 190 MHz at a

current consumption of only 4mA. An input common

• −3 dB BW (A

= 1) 190 MHz

mode voltage range extending to 0.3V below the V−

• Settling time (±0.1%, 2 V

) 35 ns

and to within 0.9V of V

, makes the LMH6640 a true

• Input common mode voltage −0.3V to 15.1V

single supply op-amp. The output voltage range

extends to within 100 mV of either supply rail

• Output voltage swing 100 mV from rails

providing the user with a dynamic range that is

• Linear output current ±100 mA

especially desirable in low voltage applications.

• Total harmonic distortion (2 V

, 5 MHz) −64

The LMH6640 offers a slew rate of 170 V/µs resulting

dBc

in a full power bandwidth of approximately 28 MHz

• Fully characterized for: 5V & 16V

with 5V single supply (2 V

, −1 dB). Careful

• No output phase reversal with CMVR exceeded

attention has been paid to ensure device stability

under all operating voltages and modes. The result is

• Differential gain (R

= 150Ω) 0.12%

a very well behaved frequency response

• Differential phase (R

= 150Ω) 0.12°

characteristic for any gain setting including +1, and

excellent specifications for driving video cables

APPLICATIONS

including total harmonic distortion of −64 dBc @ 5

MHz, differential gain of 0.12% and differential phase

• TFT panel V

COM

buffer amplifier

of 0.12°.

• Active filters

• CD/DVD ROM

• ADC buffer amplifier

• Portable video

• Current sense buffer

Figure 1. Typical Application as a TFT Panel V

COM

Driver

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.

2LMH 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 (22 pages)

PAGE 1
LMH6640 www.ti.com SNOSAA0B – FEB 2004 – REVISED MARCH 2013 LMH6640 TFT-LCD Single, 16V Rail-to-Rail High Output Operational Amplifier Check for Samples: LMH6640 FEATURES 1 • 23 • • • • • • • • • • • • DESCRIPTION (VS = 16V, RL= 2 kΩ to V+/2, 25°C, Typical Values Unless Specified) Supply current (no load) 4 mA Output resistance (closed loop 1 MHz) 0.35Ω −3 dB BW (AV = 1) 190 MHz Settling time (±0.1%, 2 VPP) 35 ns Input common mode voltage −0.3V to 15.
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LMH6640 SNOSAA0B – FEB 2004 – 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 ESD Tolerance (1) (2) Human Body Model 2 KV Machine Model 200V VIN Differential ±2.5V Input Current ±10 mA Supply Voltages (V+ – V−) 18V + − Voltage at Input/Output Pins V +0.8V, V −0.
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LMH6640 www.ti.com SNOSAA0B – FEB 2004 – REVISED MARCH 2013 5V Electrical Characteristics Unless otherwise specified, All limits specified for TJ = 25°C, V+ = 5V, V− = 0V, VO = VCM = V+/2 and RL = 2 kΩ to V+/2. Boldface limits apply at temperature extremes. (1) Symbol Parameter −3 dB Bandwidth BW Min (2) Conditions Typ (3) AV = +1 (RL = 100Ω) 150 AV = −1 (RL = 100Ω) 58 Max (2) Units MHz BW0.1 dB 0.
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LMH6640 SNOSAA0B – FEB 2004 – REVISED MARCH 2013 www.ti.com 5V Electrical Characteristics (continued) Unless otherwise specified, All limits specified for TJ = 25°C, V+ = 5V, V− = 0V, VO = VCM = V+/2 and RL = 2 kΩ to V+/2. Boldface limits apply at temperature extremes. (1) Symbol Parameter Conditions Min (2) Typ (3) CIN Common Mode Input Capacitance AV = +1, RS = 100 kΩ 1.7 ROUT Output Resistance Closed Loop RF = 10 kΩ, f = 1 kHz, AV = −1 0.1 RF = 10 kΩ, f = 1 MHz, AV = −1 0.
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LMH6640 www.ti.com SNOSAA0B – FEB 2004 – REVISED MARCH 2013 16V Electrical Characteristics Unless otherwise specified, All limits specified for TJ = 25°C, V+ = 16V, V− = 0V, VO = VCM = V+/2 and RL = 2 kΩ to V+/2. Boldface limits apply at temperature extremes. (1) Symbol Parameter −3 dB Bandwidth BW Min (2) Conditions Typ (3) AV = +1 (RL = 100Ω) 190 AV = −1 (RL = 100Ω) 60 Max (2) Units MHz BW0.1 dB 0.1 dB Gain Flatness AV = −2.
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LMH6640 SNOSAA0B – FEB 2004 – REVISED MARCH 2013 www.ti.com 16V Electrical Characteristics (continued) Unless otherwise specified, All limits specified for TJ = 25°C, V+ = 16V, V− = 0V, VO = VCM = V+/2 and RL = 2 kΩ to V+/2. Boldface limits apply at temperature extremes. (1) Symbol ROUT Parameter Output Resistance Closed Loop Min (2) Conditions Typ (3) RF = 10 kΩ, f = 1 kHz, AV = −1 0.1 RF = 10 kΩ, f = 1 MHz, AV = −1 0.3 DG Differential Gain NTSC, AV = +2 RL = 150Ω to V+/2 0.
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LMH6640 www.ti.com SNOSAA0B – FEB 2004 – REVISED MARCH 2013 Typical Performance Characteristics − + At TJ = 25°C, V = 16 V, V = 0V, RF = 330Ω for AV= +2, RF = 1 kΩ for AV = −1. RL tied to V+/2. Unless otherwise specified. IS vs. VS for Various Temperature IS vs. VCM for Various Temperature 7 7 125°C 6.5 VS = ±8V 6.5 6 6 5.5 5.5 85°C 5 85°C IS (mA) IS (mA) 125°C 4.5 4 25°C 5 4.5 25°C 4 3.5 3.5 3 3 -40°C 2.5 2.
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LMH6640 SNOSAA0B – FEB 2004 – REVISED MARCH 2013 www.ti.com Typical Performance Characteristics (continued) − + At TJ = 25°C, V = 16 V, V = 0V, RF = 330Ω for AV= +2, RF = 1 kΩ for AV = −1. RL tied to V+/2. Unless otherwise specified. Negative Output Saturation Voltage vs. VS for Various Temperature 350 125°C 250 85°C 200 150 -40°C 100 25°C 50 125°C RL = 150: 250 - RL = 150: 300 300 SATURATION VOLTAGE FROM V (mV) + SATURATION VOLTAGE FROM V (mV) Positive Output Saturation Voltage vs.
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LMH6640 www.ti.com SNOSAA0B – FEB 2004 – REVISED MARCH 2013 Typical Performance Characteristics (continued) − + At TJ = 25°C, V = 16 V, V = 0V, RF = 330Ω for AV= +2, RF = 1 kΩ for AV = −1. RL tied to V+/2. Unless otherwise specified. Gain vs. Frequency Normalized (PIN= −30 dBm) Gain vs.
PAGE 10
LMH6640 SNOSAA0B – FEB 2004 – REVISED MARCH 2013 www.ti.com Typical Performance Characteristics (continued) + − At TJ = 25°C, V = 16 V, V = 0V, RF = 330Ω for AV= +2, RF = 1 kΩ for AV = −1. RL tied to V+/2. Unless otherwise specified. Large Signal Transition Large Signal Transition 1.5 1.5 RL = 2 k: 1 0.5 0.5 OUTPUT (V) OUTPUT (V) RL = 2 k: 1 0 0 -0.5 -0.5 -1 -1 -1.5 -1.5 TIME (10 ns/DIV) TIME (10 ns/DIV) Figure 21.
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LMH6640 www.ti.com SNOSAA0B – FEB 2004 – REVISED MARCH 2013 Typical Performance Characteristics (continued) − + At TJ = 25°C, V = 16 V, V = 0V, RF = 330Ω for AV= +2, RF = 1 kΩ for AV = −1. RL tied to V+/2. Unless otherwise specified. PSRR vs. Frequency CMRR vs. Frequency 100 0 90 10 20 70 30 CMRR (dB) PSRR (dB) POSITIVE 80 60 NEGATIVE 50 40 40 50 60 30 70 +5V 20 80 VS = 5V 10 AV = +1 0 10 100 90 +16V 100 1k 10k 1M 100k 10M 10 100 1k FREQUENCY (Hz) 1M 10M Figure 27.
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LMH6640 SNOSAA0B – FEB 2004 – REVISED MARCH 2013 www.ti.com Typical Performance Characteristics (continued) + − At TJ = 25°C, V = 16 V, V = 0V, RF = 330Ω for AV= +2, RF = 1 kΩ for AV = −1. RL tied to V+/2. Unless otherwise specified. Differential Gain/Phase vs. IRE 0.15 0.1 AV = +2 RL = 150: f = 3.58 MHz 0.06 DIFF GAIN (%) 0.08 VS = 5V 0.09 0.03 0.06 0.04 0.02 PHASE 0 0 -0.03 -0.02 -0.06 -0.04 -0.09 DIFF PHASE (°) 0.12 -0.06 GAIN -0.12 -0.08 -0.15 -0.
PAGE 13
LMH6640 www.ti.com SNOSAA0B – FEB 2004 – REVISED MARCH 2013 APPLICATION INFORMATION Application Notes With its high output current and speed, one of the major applications for the LMH6640 is the VCOM driver in a TFT panel.
PAGE 14
LMH6640 SNOSAA0B – FEB 2004 – REVISED MARCH 2013 VOUT (5V/Div) www.ti.com VOUT (5V/DIV) HIGH CURRENT DRIVER (5V/Div) 0 0 HIGH CURRENT DRIVE (5V/DIV) 0 0 IOUT (100 mA/Div) (POSITIVE IS SOURCING) IOUT (100 mA/DIV) (POSITIVE IS SOURCING 0 0 2 Ps/DIV 5 Ps/DIV Figure 34. VCOM Output, High Current Drive Waveform, & LMH6640 Output Current Waveforms Figure 35.
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LMH6640 www.ti.com SNOSAA0B – FEB 2004 – REVISED MARCH 2013 REVISION HISTORY Changes from Revision A (March 2013) to Revision B • 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.
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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) LMH6640MF SOT-23 DBV 5 1000 178.0 8.4 LMH6640MF/NOPB SOT-23 DBV 5 1000 178.0 LMH6640MFX/NOPB SOT-23 DBV 5 3000 178.0 3.2 3.2 1.4 4.0 8.0 Q3 8.4 3.2 3.2 1.4 4.0 8.0 Q3 8.4 3.2 3.2 1.4 4.0 8.
PAGE 19
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) LMH6640MF SOT-23 DBV 5 1000 210.0 185.0 35.0 LMH6640MF/NOPB SOT-23 DBV 5 1000 210.0 185.0 35.0 LMH6640MFX/NOPB SOT-23 DBV 5 3000 210.0 185.0 35.
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