National Semiconductor LMH6672 Technical data

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LMH6672
Dual, High Output Current, High Speed Op Amp

LMH6672 Dual, High Output Current, High Speed Op Amp

January 2002

General Description

The LMH6672 is a low cost, dual high speed op amp capable
of driving signals to within 1V of the power supply rails. It
features the highoutput drive with low distortion required for
the demanding application of a single supply xDSL line
driver.

When connected as a differential output driver,theLMH6672
can drive a 50Ω load to 16.8V
distortion, fully supporting the peak upstream power levels
for upstream full-rate ADSL. The LMH6672 is fully specified
for operation with 5V and 12V supplies. Ideal for PCI modem
cards and xDSL modems.

swing with only −93dBc

PP

Applications

n ADSL PCI modem cards
n xDSL external modems
n Line drivers

Connection Diagram

8-Pin SOIC/PSOP/LLP

Features

n High Output Drive

19.2V

9.6V

n High Output Current

±

n Low Distortion

93dB SFDR
92dB SFDR

n High Speed

130MHz 3dB bandwidth (G = 2)
160V/µs slew rate

n Low Noise

4.5nV/

1.7pA/

n Low supply current: 6.2mA/amp
n Single-supply operation: 5V to 12V
n Available in 8-pin SOIC, PSOP and LLP

differential output voltage, RL=50Ω

PP

single-ended output voltage, RL=25Ω

PP

200mA@VO=9

@

100KHz, VO= 8.4VPP,RL=25Ω

@

1MHz, VO=2VPP,RL= 100Ω

: input noise voltage
: input noise current

VPP,VS

= 12V

Typical Application

20016601

Top View

20016602

Figure 1

Ordering Information

Package Part Number Package Marking Transport Media NSC Drawing

8-Pin SOIC LMH6672MA LMH6672MA Rails M08A

LMH6672MAX LMH6672MA 2.5k Units Tape and Reel

8-Pin PSOP LMH6672MR LMH6672MR Rails MRA08A

LMH6672MRX LMH6672MR 2.5k Units Tape and Reel

8-Pin LLP LMH6672LD L6672LD 1k Units Tape and Reel LDC08A

LMH6672LDX L6672LD 4.5k Units Tape and Reel

© 2002 National Semiconductor Corporation DS200166 www.national.com

Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/

LMH6672

Distributors for availability and specifications.

ESD Tolerance (Note 2)

Soldering Information

Infrared or Convection (20 sec) 235˚C
Wave Soldering (10 sec) 260˚C

Operating Ratings (Note 1)

Human Body Model 2kV
Machine Model 200V

V

Differential

IN

±

1.2V
Output Short Circuit Duration (Note 2)
Supply Voltage (V
Voltage at Input/Output pins V

+−V−

) 13.2V

+

+0.8V, V−−0.8V

Storage Temperature Range −65˚C to +150˚C

Supply Voltage (V
Junction Temperature Range −40˚C to 150˚C
Package Thermal Resistance (θ

8-pin SOIC 172˚C/W
8-pin PSOP 58.6˚C/W
8-pin LLP 40˚C/W

Junction Temperature +150˚C (Note 4)

Electrical Characteristics

TJ= 25˚C, G = +2, VS=±2.5 to±6V, Rf=RIN= 470Ω,RL= 100Ω; Unless otherwise specified.

Symbol Parameter Conditions Min

Dynamic Performance

−3dB Bandwidth 130 MHz

0.1dB Bandwidth V
Slew Rate V
Rise and Fall Time V

Distortion and Noise Response

nd

2

Harmonic Distortion VO= 8.4VPP, f = 100KHz, RL=25Ω −95 dBc

rd

3

Harmonic Distortion VO= 8.4VPP, f = 100KHz, RL=25Ω −93 dBc

Input Noise Voltage f = 100KHz 4.5 nV

Input Noise Current f = 100KHz 1.7 pA/

Input Characteristics

V

OS

I

B

I

OS

Input Offset Voltage TJ= −40˚C to 150˚C −5.5 −0.2 5.5

Input Bias Current TJ= −40˚C to 150˚C 8 14 µA

Input Offset Current TJ= −40˚C to 150˚C −2.1 0 2.1 µA
CMVR Common Voltage Range V
CMRR Common-Mode Rejection Ratio V

Transfer Characteristics

A

VOL

Voltage Gain RL= 1k, TJ= −40˚C to 150˚C 1.0 2.5 V/mV

Output Swing R

Output Swing R

I

SC

Output Current (Note 3) VO=0,VS=±6V 400 788 mA

Power Supply

=±6V 22 MHz

S

=±6V, 4V Step, 10-90% 170 V/µs

S

= 6V, 4V Step, 10-90% 18.5 ns

S

V

= 8.4VPP, f = 1MHz, RL= 100Ω −92 dBc

O

V

=2VPP, f = 1MHz, RL= 100Ω −95 dBc

O

=±6V −6.0 4.5 V

S

=±6V, TJ= −40˚C to 150˚C 150 9.5 µV/V

S

R

=25Ω,TJ= −40˚C to 150˚C 0.67 1.7 V/mV

L

=25Ω,VS=±6V −4.5

L

R

=25Ω,TJ= −40˚C to 150˚C,

L

=±6V

V

S

= 1k, VS=±6V −4.8

L

R

= 1k, TJ= −40˚C to 150˚C,

L

=±6V

V

S

V

=0,VS=±6V,

O

= −40˚C to 150˚C

T

J

+-V−

(Note 6)

)

JA

Typ

(Note 5)

)

±

2.5V to±6.5V

Max

(Note 6)

−4 −0.2 4

±

4.8 4.5

−4.4

−4.7

±

4.8 4.4

±

4.8 4.8

±

4.8 4.7

260 600 mA

Units

mV

V

V

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Electrical Characteristics (Continued)

TJ= 25˚C, G = +2, VS=±2.5 to±6V, Rf=RIN= 470Ω,RL= 100Ω; Unless otherwise specified.

Symbol Parameter Conditions Min

(Note 6)

I

S

PSRR Power Supply Rejection Ratio V

±

Supply Current/Amp VS=±6V 8

=±6V, TJ= −40˚C to 150˚C 6.2 9

V

S

=±2.5V to±6V,

S

= −40˚C to 150˚C

T

J

72 78 dB

2.5V Electrical Characteristics

TJ= 25˚C, G = +2, VS=±2.5 to±6V, Rf=RIN= 470Ω,RL= 100Ω; Unless otherwise specified.

Symbol Parameter Conditions Min

(Note 6)

Dynamic Performance

−3dB Bandwidth 125 MHz

0.1dB Bandwidth 32 MHz
Slew Rate 0.4V Step, 10-90% 115 V/µs
Rise and Fall Time 0.4V Step, 10-90% 2.75 ns

Distortion and Noise Response

nd

2

Harmonic Distortion VO=2VPP, f = 100KHz, RL=25Ω −85 dBc

V

=2VPP, f = 1MHz, RL= 100Ω −87 dBc

rd

3

Harmonic Distortion VO=2VPP, f = 100KHz, RL=25Ω −90 dBc

O

V

=2VPP, f = 1MHz, RL= 100Ω −88 dBc

O

Input Characteristics

V

OS

Input Offset Voltage TJ= −40˚C to 150˚C −5.5 5.5

−4.0 1.1 4.0

I

B

Input Bias Current TJ= −40˚C to 150˚C 8.0 14 µA
CMVR Common-Mode Voltage Range −2.5 1.0 V
CMRR Common-Mode Rejection Ratio T

= −40˚C to 150˚C 150 57 µV/V

J

Transfer Characteristics

A

VOL

Voltage Gain RL=25Ω,TJ= −40˚C to 150˚C 0.67 1.54

= 1k, TJ= −40˚C to 150˚C 1.0 2.0

R

L

Output Characteristics

V

O

Output Voltage Swing RL=25Ω 1.20 1.45

=25Ω,TJ= −40˚C to 150˚C 1.10 1.35

L

R

= 1k 1.30 1.60

L

R

= 1k, TJ= −40˚C to 150˚C 1.25 1.50

L

Power Supply

I

S

Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is
intended to be functional, but specific performance is not guaranteed. For guaranteed specifications and the test conditions, see the Electrical Characteristics.

Note 2: Human body model, 1.5kΩ in series with 100pF. Machine model, 200Ω in series with 100pF.
Note 3: Shorting the output to either supply or ground will exceed the absolute maximum T
Note 4: The maximum power dissipation is a function of T

(T

J(MAX)−TA

Note 5: Typical values represent the most likely parametric norm.
Note 6: All limits are guaranteed by testing, characterization or statistical analysis.

Supply Current/Amp 8.0

= −40˚C to 150˚C 5.6 9.0

T

J

and can result in failure.

, θJAand TA. The maximum allowable power dissipation at any ambient temperature is PD=

)/θJA. All numbers apply for packages soldered directly onto a PC board.

J(MAX)

J

Typ

(Note 5)

Typ

(Note 5)

Max

(Note 6)

Max

(Note 6)

Units

mA

Units

mV

V/mV

mA

LMH6672

VR

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Typical Performance Characteristics At T

erwise specified.

LMH6672

Output Swing R

Negative Output Swing into 1kΩ Positive Output Swing into 25Ω

=25Ω,1kΩ@−40˚C, 25˚C, 85˚C Positive Output Swing into 1kΩ

L

20016635 20016645

= 25˚C, RF= 470Ω gain = +2, RL= 100Ω. Unless oth-

J

20016646

Negative Output Swing into 25Ω +V

20016647 20016640

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OUT

vs. I

20016644

LOAD

LMH6672

Typical Performance Characteristics At T

otherwise specified. (Continued)

−V

vs. I

−V

OUT

OUT

vs. I

LOAD

20016641 20016643

LOAD

= 25˚C, RF= 470Ω gain = +2, RL= 100Ω. Unless

J

+V

vs. I

OUT

LOAD

Supply Current vs. Supply Voltage

20016642

Sourcing Current vs. Supply Voltage Sinking Current vs. Supply Voltage

20016633 20016634

20016632

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