Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsLinear ICsLinear IC - Op-amp Current feedback MSOP 8 PowerPad

DBV-5

DGN-8

DGK-8

D-8

FEATURES

DESCRIPTION

SUPPORTS DEFENSE, AEROSPACE,

APPLICATIONS

THS3201-EP

www.ti.com

..................................................................................................................................................... SGLS283B – APRIL 2005 – REVISED JANUARY 2009

1.8-GHz LOW-DISTORTION CURRENT-FEEDBACK AMPLIFIER

• Unity Gain Bandwidth: 1.8 GHz

• High Slew Rate: 6700 V/ µ s (G = 2 V/V,

The THS3201 is a wide-band, high-speed

current-feedback amplifier, designed to operate over

= 100 Ω , 5-V Step)

a wide supply range of ± 3.3 V to ± 7.5 V for today ' s

• IMD

: – 78 dBc at 20 MHz: (G = 10 V/V,

high-performance applications.

= 100 Ω , 2-V

Envelope)

The wide supply range, combined with low distortion

• Noise Figure: 11 dB (G = 10 V/V, R

= 28 Ω ,

and high slew rate, makes the THS3201 ideally

= 255 Ω )

suited for arbitrary waveform driver applications. The

• Input Referred Noise (f > 10 MHz)

distortion performance also enables driving

– Voltage Noise: 1.65 nV/ √ Hz

high-resolution and high-sampling rate ADCs.

– Noninverting Current Noise: 13.4 pA/ √ Hz

High-voltage operation capabilties make the

THS3201 especially suitable for many test,

– Inverting Current Noise: 20 pA/ √ Hz

measurement, and ATE applications where

• Output Drive: 100 mA

lower-voltage devices do not offer enough voltage

• Power-Supply Voltage Range: ± 3.3 V to ± 7.5 V

swing capabilty. Output rise and fall times are nearly

independent of step size (to first-order appoximation),

making the THS3201 ideal for buffering small to large

AND MEDICAL APPLICATIONS

step pulses with excellent linearity in high dynamic

systems.

• Controlled Baseline

• One Assembly/Test Site

The THS3201 is offered in 8-pin SOIC and 8-pin

MSOP with PowerPAD™ packages.

• One Fabrication Site

• Available in Military ( – 55 ° C/125 ° C)

RELATED DEVICES AND DESCRIPTIONS

Temperature Range

(1)

THS3202 ± 7.5-V 2-GHz Dual Low-Distortion CFB Amplifier

• Extended Product Life Cycle

THS3001 ± 15-V 420-MHz Low-Distortion CFB Amplifier

• Extended Product-Change Notification

THS3061/2 ± 15-V 300-MHz Low-Distortion CFB Amplifier

• Product Traceability

THS3122 ± 15-V Dual CFB Amplifier With 350-mA Drive

THS4271 ± 7.5-V 1.4-GHz Low-Distortion VFB Amplifier

• High-Resolution, High-Sampling-Rate

Analog-to-Digital Converter Drivers

• High-Resolution, High-Sampling-Rate

Digital-to-Analog Converter Output Buffers

• Test and Measurement

• ATE

(1) Additional temperature ranges are available - contact factory

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.

2 PowerPAD is a trademark of Texas Instruments.

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 (32 pages)

PAGE 1
D-8 DBV-5 DGN-8 THS3201-EP DGK-8 www.ti.com ..................................................................................................................................................... SGLS283B – APRIL 2005 – REVISED JANUARY 2009 1.8-GHz LOW-DISTORTION CURRENT-FEEDBACK AMPLIFIER FEATURES 1 • Unity Gain Bandwidth: 1.
PAGE 2
THS3201-EP SGLS283B – APRIL 2005 – REVISED JANUARY 2009 ..................................................................................................................................................... www.ti.com Low-Noise, Low-Distortion, Wideband Application Circuit NONINVERTING SMALL SIGNAL FREQUENCY RESPONSE +7.5 V 50 Ω Source 8 7 50 Ω 49.9 Ω VI Noninverting Gain - dB RF = 768 Ω + 49.9 Ω THS3201 _ 50 Ω -7.
PAGE 3
THS3201-EP www.ti.com ..................................................................................................................................................... SGLS283B – APRIL 2005 – REVISED JANUARY 2009 1G Time-to-Fail − Hrs 100M 80°C, 74M Hrs 10M 100°C, 5.9M Hrs 1M 120°C, 490K Hrs 100K 140°C, 58K Hrs 10K 80 90 100 110 120 130 140 150 TJ − Junction Temperature − °C Figure 1.
PAGE 4
THS3201-EP SGLS283B – APRIL 2005 – REVISED JANUARY 2009 ..................................................................................................................................................... www.ti.com PIN ASSIGNMENTS D OR DGN PACKAGE (TOP VIEW) NC VIN − VIN + VS− 1 8 2 7 3 6 4 5 NC VS+ VOUT − NC NC − No internal connection A. 4 If a PowerPAD package is used, the thermal pad is electrically isolated from the active circuitry.
PAGE 5
THS3201-EP www.ti.com ..................................................................................................................................................... SGLS283B – APRIL 2005 – REVISED JANUARY 2009 ELECTRICAL CHARACTERISTICS VS = ±7.5 V: Rf = 1 kΩ, RL = 100 Ω, G = +2 (unless otherwise noted) TYP PARAMETER TEST CONDITIONS 25°C OVER TEMPERATURE 25°C –55°C to 125°C UNIT MIN/ TYP/ MAX AC Performance Small-signal bandwidth, –3 dB (VO = 200 mVPP) G = +1, RF = 1.2 kΩ 1.
PAGE 6
THS3201-EP SGLS283B – APRIL 2005 – REVISED JANUARY 2009 ..................................................................................................................................................... www.ti.com ELECTRICAL CHARACTERISTICS (continued) VS = ±7.5 V: Rf = 1 kΩ, RL = 100 Ω, G = +2 (unless otherwise noted) TYP PARAMETER TEST CONDITIONS OVER TEMPERATURE UNIT MIN/ TYP/ MAX Min 25°C 25°C –55°C to 125°C ±5.
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THS3201-EP www.ti.com ..................................................................................................................................................... SGLS283B – APRIL 2005 – REVISED JANUARY 2009 ELECTRICAL CHARACTERISTICS VS = ±5 V: Rf = 1 kΩ, RL = 100 Ω , G = +2 (unless otherwise noted) TYP PARAMETER TEST CONDITIONS 25°C OVER TEMPERATURE 25°C –55°C to 125°C UNIT MIN/ TYP/ MAX AC Performance Small-signal bandwidth, –3 dB (VO = 200 mVPP) G = +1, RF= 1.2 kΩ 1.
PAGE 8
THS3201-EP SGLS283B – APRIL 2005 – REVISED JANUARY 2009 ..................................................................................................................................................... www.ti.com ELECTRICAL CHARACTERISTICS (continued) VS = ±5 V: Rf = 1 kΩ, RL = 100 Ω , G = +2 (unless otherwise noted) TYP PARAMETER TEST CONDITIONS OVER TEMPERATURE UNIT MIN/ TYP/ MAX Min 25°C 25°C –55°C to 125°C ±2.6 ±2.5 ±2.
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THS3201-EP www.ti.com ..................................................................................................................................................... SGLS283B – APRIL 2005 – REVISED JANUARY 2009 TYPICAL CHARACTERISTICS Table of Graphs (VS = ±7.5 V) FIGURE NO. Noninverting small-signal frequency response 2, 3 Inverting small-signal frequency response 4 Inverting large-signal frequency response 5, 6 0.
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THS3201-EP SGLS283B – APRIL 2005 – REVISED JANUARY 2009 ..................................................................................................................................................... www.ti.com Table of Graphs (VS = ±5 V) Figure No. Noninverting small-signal frequency response 38 Inverting small-signal frequency response 39 0.
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THS3201-EP www.ti.com ..................................................................................................................................................... SGLS283B – APRIL 2005 – REVISED JANUARY 2009 VS = ±7.5 V Graphs NONINVERTING SMALL-SIGNAL FREQUENCY RESPONSE Noninverting Gain - dB RF = 768 Ω 7 6 5 RF = 1 kΩ 4 3 Gain = 2. RL = 100 Ω, VO = 0.2 VPP. VS = ±7.5 V 2 1 0 100 k 1M 10 M 100 M 1G 20 18 16 14 12 10 G = 5, RF = 619 Ω RL = 100 Ω, VO = 0.2 VPP. VS = ±7.
PAGE 12
THS3201-EP SGLS283B – APRIL 2005 – REVISED JANUARY 2009 ..................................................................................................................................................... www.ti.com VS = ±7.5 V Graphs (continued) 2nd HARMONIC DISTORTION G=2 vs OUTPUT VOLTAGE 3rd HARMONIC DISTORTION vs FREQUENCY 2nd Order Harmonic Distortion - dBc G=2 RF = 768 W, RG = 768 W -70 -75 Vs = ±7.
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THS3201-EP www.ti.com ..................................................................................................................................................... SGLS283B – APRIL 2005 – REVISED JANUARY 2009 VS = ±7.5 V Graphs (continued) INPUT VOLTAGE AND CURRENT NOISE vs FREQUENCY S-PARAMETER vs FREQUENCY S12 -60 S11 RG RF C + -80 50 Ω Source -100 1M 50 Ω 50 Ω 50 Ω 10 M 100 M 1G f - Frequency - Hz 10 G 3 Vn 35 2.5 30 1.5 Inverting Noise Current 25 0.
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THS3201-EP SGLS283B – APRIL 2005 – REVISED JANUARY 2009 ..................................................................................................................................................... www.ti.com VS = ±7.5 V Graphs (continued) QUIESCENT CURRENT vs SUPPLY VOLTAGE SETTLING TIME 3 20 2.5 Rising Edge 2 1.5 TA = 85°C 18 16 Gain = -2 RL = 100 Ω RF = 576 Ω f= 1 MHz VS = ±7.5 V 0 -0.5 -1 -1.5 -2 12 8 6 4 Falling Edge 2 -3 0 2.5 7.5 5 TA = -40°C 10 -2.
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THS3201-EP www.ti.com ..................................................................................................................................................... SGLS283B – APRIL 2005 – REVISED JANUARY 2009 VS = ±7.5 V Graphs (continued) DIFFERENTIAL PHASE vs NUMBER OF LOADS CLOSED-LOOP OUTPUT IMPEDANCE vs FREQUENCY 0.040 1000 0.030 Differential Phase - ° 0.025 0.020 Closed-Loop Output Impedance - Ω Gain = 2 RF = 768 kΩ VS = ±7.5 V 40 IRE - NTSC and Pal Worst Case ±100 IRE Ramp 0.
PAGE 16
THS3201-EP SGLS283B – APRIL 2005 – REVISED JANUARY 2009 ..................................................................................................................................................... www.ti.
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THS3201-EP www.ti.com ..................................................................................................................................................... SGLS283B – APRIL 2005 – REVISED JANUARY 2009 VS = ±5 V Graphs (continued) INVERTING LARGE-SIGNAL TRANSIENT RESPONSE 0.3 -0.1 -0.2 Gain = 2 RL = 100 Ω RF = 715 Ω VS = ±5 V VO - Output Voltage - V VO - Output Voltage - V 0 1.5 1 Gain = -5 RL = 100 Ω RF = 549 Ω VS = ±5 V 3 0.5 0 Input -0.5 -1 -1.
PAGE 18
THS3201-EP SGLS283B – APRIL 2005 – REVISED JANUARY 2009 ..................................................................................................................................................... www.ti.com APPLICATION INFORMATION Wideband Noninverting Operation The THS3201 is a unity gain stable 1.8-GHz current-feedback operational amplifier, designed to operate from a ±3.3-V to ±7.5-V power supply.
PAGE 19
THS3201-EP www.ti.com ..................................................................................................................................................... SGLS283B – APRIL 2005 – REVISED JANUARY 2009 Single Supply Operation 768 Ω The THS3201 has the capability to operate from a single-supply voltage ranging from 6.6 V to 15 V.
PAGE 20
THS3201-EP SGLS283B – APRIL 2005 – REVISED JANUARY 2009 ..................................................................................................................................................... www.ti.com fP + VS+ 0.1 µF RG VIN RF THS3201 1:n 24.9 Ω 47pF ADC RT RG THS3201 24.9 Ω CM 47pF RF VS- 0.1 µF 0.1 µF Figure 61.
PAGE 21
THS3201-EP www.ti.com ..................................................................................................................................................... SGLS283B – APRIL 2005 – REVISED JANUARY 2009 Printed-Circuit Board Layout Techniques for Optimal Performance Achieving optimum performance with high-frequency amplifier-like devices in the THS3201 requires careful attention to board layout parasitic and external component types.
PAGE 22
THS3201-EP SGLS283B – APRIL 2005 – REVISED JANUARY 2009 ..................................................................................................................................................... www.ti.com impossible to achieve a smooth, stable frequency response. Best results are obtained by soldering THS3201 parts directly onto the board. 0.205 0.060 0.017 PowerPAD Design Considerations Pin 1 The THS3201 is available in a thermally-enhanced PowerPAD family of packages.
PAGE 23
THS3201-EP www.ti.com ..................................................................................................................................................... SGLS283B – APRIL 2005 – REVISED JANUARY 2009 Power Dissipation and Thermal Considerations To maintain maximum output capabilities, the THS3201 does not incorporate automatic thermal shutoff protection. The designer must take care to ensure that the design does not violate the absolute maximum junction temperature of the device.
PAGE 24
THS3201-EP SGLS283B – APRIL 2005 – REVISED JANUARY 2009 ..................................................................................................................................................... www.ti.com PD J9* C8* R5 Vs+ 768 Ω 7 8 2 _ R3 J1 Vin 0Ω 768 Ω R2 U1 R6 6 3 + 49.9 Ω 4 1 Vs - J4 Vout R7 Not Populated J8* PD Ref J2 Vin+ 49.9 Ω C7* R4 *Does Not Apply to the THS3201 J6 GND J7 VS- VS- FB1 C1 + C6 22 µF 0.1 µF C5 100 pF TP1 VS+ C4 100 pF J5 VS+ FB2 C3 0.
PAGE 25
THS3201-EP www.ti.com ..................................................................................................................................................... SGLS283B – APRIL 2005 – REVISED JANUARY 2009 Figure 67. THS3201 EVM Board Layout (Top Layer) Figure 68. THS3201 EVM Board Layout (Second Layer, Ground) Figure 69. THS3201 EVM Board Layout (Third Layer, Power) Figure 70.
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THS3201-EP SGLS283B – APRIL 2005 – REVISED JANUARY 2009 ..................................................................................................................................................... www.ti.com Table 2.
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PACKAGE OPTION ADDENDUM www.ti.
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PACKAGE OPTION ADDENDUM www.ti.
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IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.