lmh6622mmx National Semiconductor Corporation, lmh6622mmx Datasheet

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lmh6622mmx

Manufacturer Part Number
lmh6622mmx
Description
Dual Wideband, Low Noise, 160mhz, Operational Amplifiers
Manufacturer
National Semiconductor Corporation
Datasheet

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© 2005 National Semiconductor Corporation
LMH6622
Dual Wideband, Low Noise, 160MHz, Operational
Amplifiers
General Description
The LMH6622 is a dual high speed voltage feedback opera-
tional amplifier specifically optimized for low noise. A voltage
noise specification of 1.6nV/
cation 1.5pA/
distortion specification that exceeds 90dBc combine to make
the LMH6622 an ideal choice for the receive channel ampli-
fier in ADSL, VDSL, or other xDSL designs. The LMH6622
operates from
+5V to +12V in single supply configuration. The LMH6622 is
stable for A
on National Semiconductor’s advanced VIP10 process en-
ables excellent (160MHz) bandwidth at a current consump-
tion of only 4.3mA/amplifier. Packages for this dual amplifier
are the 8-lead SOIC and the 8-lead MSOP.
xDSL Analog Front End
V
≥ 2 or A
±
2.5V to
, a bandwidth of 160MHz, and a harmonic
V
≤ −1. The fabrication of the LMH6622
±
6V in dual supply mode and from
, a current noise specifi-
DS200292
Features
V
n Bandwidth (A
n Supply Voltage Range
n Slew rate
n Supply current
n Input common mode voltage
n Output Voltage Swing (R
n Input voltage noise
n Input current noise
n Linear output current
n Excellent harmonic distortion
Applications
n xDSL receiver
n Low noise instrumentation front end
n Ultrasound preamp
n Active filters
n Cellphone basestation
S
=
±
6V, T
A
= 25˚C, Typical values unless specified
V
= +2)
L
= 100Ω)
±
2.5V to
20029226
−4.75V to +5.7V
±
6V +5V to +12
www.national.com
1.6nV/
1.5pA/
4.3mA/amp
July 2005
160MHz
85V/µs
90dBc
±
90mA
4.6V

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lmh6622mmx Summary of contents

Page 1

... National Semiconductor’s advanced VIP10 process en- ables excellent (160MHz) bandwidth at a current consump- tion of only 4.3mA/amplifier. Packages for this dual amplifier are the 8-lead SOIC and the 8-lead MSOP. xDSL Analog Front End © 2005 National Semiconductor Corporation Features ± 6V 25˚ ...

Page 2

Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. ESD Tolerance Human Body Model Machine Model V Differential IN + − Supply Voltage (V – Voltage ...

Page 3

Electrical Characteristics Unless otherwise specified 25˚ the temperature extremes. Symbol Parameter CMVR Input Common Mode Voltage Range CMRR Common-Mode Rejection Ratio Transfer Characteristics A Large Signal Voltage Gain VOL X Crosstalk t Output ...

Page 4

Electrical Characteristics Unless otherwise specified, all limits guaranteed for 100Ω. Boldface limits apply at the temperature extremes. L Symbol Parameter nd HD2 2 Harmonic Distortion rd HD3 3 Harmonic Distortion MTPR Upstream Downstream Input Characteristics ...

Page 5

Electrical Characteristics Unless otherwise specified, all limits guaranteed for 100Ω. Boldface limits apply at the temperature extremes. L Symbol Parameter I Supply Current (per amplifier) S Note 1: Absolute Maximum Ratings indicate limits beyond which ...

Page 6

Typical Performance Characteristics Current and Voltage Noise vs. Frequency Frequency Response vs. Input Signal Level Inverting Amplifier Frequency Response www.national.com Current and Voltage Noise vs. Frequency 20029224 Frequency Response vs. Input Signal Level 20029202 Non-Inverting Amplifier Frequency Response 20029246 6 ...

Page 7

Typical Performance Characteristics Open Loop Gain and Phase Response PSRR vs. Frequency Positive Output Swing vs. Source Current (Continued) Crosstalk vs. Frequency 20029205 CMRR vs. Frequency 20029204 Negative Output Swing vs. Sink Current 20029248 7 20029201 20029206 20029249 www.national.com ...

Page 8

Typical Performance Characteristics Non-Inverting Small Signal Pulse Response ± 2.5V 100Ω Non-Inverting Large Signal Pulse Response ± 2.5V 100Ω Harmonic Distortion vs. Input Signal ...

Page 9

Typical Performance Characteristics Harmonic Distortion vs. Frequency Harmonic Distortion vs. Input Signal Level Harmonic Distortion vs. Input Frequency (Continued) Harmonic Distortion vs. Frequency 20029214 Harmonic Distortion vs. input Signal Level 20029216 Harmonic Distortion vs. Input Frequency 20029218 9 20029215 20029217 ...

Page 10

Typical Performance Characteristics Full Rate ADSL (DMT) Upstream MTPR Full Rate ADSL (DMT) Upstream MTPR www.national.com (Continued) ± 2.5V Full Rate ADSL (DMT) Downstream MTPR S 20029256 ± Full Rate ADSL (DMT) Downstream ...

Page 11

... Connection Diagram Ordering Information Package Part Number 8-Pin SOIC LMH6622MA LMH6622MAX 8-Pin MSOP LMH6622MM LMH6622MMX Test Circuits 1) Non-Inverting Amplifier 2) CMRR 8-Pin SOIC/MSOP 20029211 Top View Package Marking Transport Media LMH6622MA 95 Units per Rail 2.5k Units Tape and Reel A80A 1k Units Tape and Reel 3 ...

Page 12

Test Circuits (Continued) 5) Multitone Power Ratio 500Ω 437Ω DSL Receive Channel Applications The LMH6622 is a dual, wideband operational amplifier de- signed for use as a DSL line receiver. In the receive band of a ...

Page 13

DSL Receive Channel Applications (Continued) FIGURE 2. ADSL Receive Applications Circuit 13 20029227 www.national.com ...

Page 14

DSL Receive Channel Applications (Continued) The two R resistors are used to provide impedance match- S ing through the 1:N transformer. Where R is the impedance of the twisted pair line the turns ratio of the transformer. ...

Page 15

DSL Receive Channel Applications (Continued) The LMH6622 is a low noise, low distortion high speed operational amplifier. The LMH6622 comes in either SOIC-8 or MSOP-8 packages. Because two channels are available in each package the LMH6622 can be used as ...

Page 16

Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 8-Pin SOIC NS Package Number M08A 8-Pin MSOP NS Package Number MUA08A 16 ...

Page 17

National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. For the most current product information ...

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