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PDF LMH6622 Data sheet ( Hoja de datos )
| Número de pieza | LMH6622 | |
| Descripción | Dual Wideband / Low Noise / 160MHz / Operational Amplifiers | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LMH6622 (archivo pdf) en la parte inferior de esta página. Total 18 Páginas | ||
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February 2002
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/
, a current noise specifi-
cation 1.5pA/ , a bandwidth of 160MHz, and a harmonic
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 ±2.5V to ±6V in dual supply mode and from
+5V to +12V in single supply configuration. The LMH6622 is
stable for AV ≥ 2 or AV ≤ −1. The fabrication of the LMH6622
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.
Features
VS = ±6V, TA = 25˚C, Typical values unless specified
n Bandwidth (AV = +2)
160MHz
n Supply Voltage Range ±2.5V to ±6V +5V to +12
n Slew rate
85V/µs
n Supply current
4.3mA/amp
n Input common mode voltage
−4.75V to +5.7V
n Output Voltage Swing (RL = 100Ω)
±4.6V
n Input voltage noise
1.6nV/
n Input current noise
1.5pA/
n Linear output current
90mA
n Excellent harmonic distortion
90dBc
Applications
n xDSL receiver
n Low noise instrumentation front end
n Ultrasound preamp
n Active filters
n Cellphone basestation
xDSL Analog Front End
© 2002 National Semiconductor Corporation DS200292
20029226
www.national.com
1 page  
±2.5V Electrical Characteristics (Continued)
Unless otherwise specified, all limits guaranteed for TJ = 25˚C, V+ = 2.5V, V− = −2.5V, VCM = 0V, AV = +2, RF = 500Ω,
RL = 100Ω. Boldface limits apply at the temperature extremes.
Symbol
Parameter
Conditions
Min Typ Max Units
(Note 6) (Note 5) (Note 6)
IS Supply Current (per amplifier) No Load
4.1 5.8 mA
6.4
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, 0Ω in series with 200pF.
Note 3: Applies to both single-supply and split-supply operation. Continuous short circuit operation at elevated ambient temperature can result in exceeding the
maximum allowed junction temperature of 150˚C.
Note 4: The maximum power dissipation is a function of TJ(MAX), θJA and TA. The maximum allowable power dissipation at any ambient temperature is PD =
(TJ(MAX) − TA)/θJA. All numbers apply for packages soldered directly onto a PC board.
Note 5: Typical values represent the most likely parametric norm.
Note 6: All limits are guaranteed by testing or statistical analysis.
Note 7: Offset voltage average drift is determined by dividing the change in VOS at temperature extremes into the total temperature change.
Note 8: Slew rate is the slowest of the rising and falling slew rates.
Note 9: Short circuit test is a momentary test. Output short circuit duration is infinite for VS ≤ ±2.5V, at room temperature and below. For VS > ±2.5V, allowable short
circuit duration is 1.5ms.
5 www.national.com
5 Page 
Connection Diagram
8-Pin SOIC/MSOP
Ordering Information
Package
8-Pin SOIC
8-Pin MSOP
Part Number
LMH6622MA
LMH6622MAX
LMH6622MM
LMH6622MMX
Test Circuits
Top View
20029211
Package Marking
LMH6622MA
A80A
Transport Media
95 Units per Rail
2.5k Units Tape and Reel
1k Units Tape and Reel
3.5k Units Tape and Reel
NSC Drawing
M08A
MUA08A
1) Non-Inverting Amplifier
20029250
20029253
3) Voltage Noise
RG = 1Ω for f ≤ 100kHz, RG = 20Ω for f > 100kHz
2) CMRR
20029251
20029252
4) Current Noise
RG = 1Ω for f ≤ 100kHz, RG = 20Ω for f > 100kHz
11 www.national.com
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet LMH6622.PDF ] | |
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