LMH6704MA National Semiconductor, LMH6704MA Datasheet

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LMH6704MA

Manufacturer Part Number
LMH6704MA
Description
BUFFER, PROGRAMMABLE, 6704, SOIC8
Manufacturer
National Semiconductor
Datasheet

Specifications of LMH6704MA

No. Of Amplifiers
1
Gain Bandwidth
650MHz
Slew Rate
3000V/µs
Supply Voltage Range
± 4V To ± 6V
Output Current
90mA
Amplifier Output
Single Ended
Operating Temperature Range
-40°C To +85°C
Rohs Compliant
Yes

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© 2005 National Semiconductor Corporation
LMH6704
650 MHz Programmable Gain Buffer with Disable
General Description
The LMH
mable gain buffer designed specifically for wide dynamic
range systems requiring exceptional signal fidelity. The
LMH6704 includes on chip feedback and gain set resistors,
simplifying PCB layout while providing user programmable
gains of +1, +2 and −1 V/V. The LMH6704 provides a disable
pin, which places the amplifier in a high output impedance,
low power mode. The Disable pin may be allowed to float
high.
With a 650 MHz Small Signal Bandwidth (A
power gain flatness to 200 MHz, and excellent Differential
Gain and Phase, the LMH6704 is optimized for video appli-
cations. High resolution video systems will benefit from the
LMH6704’s ability to drive multiple video loads at low levels
of differential gain or differential phase distortion.
The LMH6704 is constructed with National’s proprietary high
speed complementary bipolar process using National’s
proven current feedback circuit architectures. It is available
in 8-Pin SOIC and 6-Pin SOT23 packages.
Connection Diagram
Ordering Information
LMH
6-Pin SOT23
8-Pin SOIC
Package
is a trademark of National Semiconductor Corporation.
6704 is a very wideband, DC coupled program-
8-Pin SOIC
LMH6704MAX
LMH6704MFX
Part Number
Top View
LMH6704MA
LMH6704MF
DS201036
20103634
V
= +1), full
Package Marking
LMH6704MA
B07A
Features
n Wideband operation
n High output current
n Very low distortion
n Low noise
n High slew rate
n Supply current
Applications
n HDTV, NTSC & PAL video systems
n Video switching and distribution
n ADC driver
n DAC buffer
n RGB driver
n High speed multiplexer
— A
— A
— A
— 2
— Differential gain/Differential phase:
nd
V
V
V
/3
= +1, V
= +2, V
= +2, V
rd
harmonics (10 MHz, R
2.5k Units Tape and Reel
1k Units Tape and Reel
3k Units Tape and Reel
O
O
O
Transport Media
= 0.5 V
= 0.5 V
= 2 V
95 Units Rail
6-Pin SOT23
PP
Top View
PP
PP
L
= 100Ω):
20103613
NSC Drawing
www.national.com
0.02%/0.02˚
2.3nV/
MF06A
M08A
3000 V/µs
May 2005
650 MHz
450 MHz
400 MHz
11.5 mA
±
−62/−78
90 mA

Related parts for LMH6704MA

LMH6704MA Summary of contents

Page 1

... HDTV, NTSC & PAL video systems n Video switching and distribution n ADC driver n DAC buffer n RGB driver n High speed multiplexer 20103634 Package Marking LMH6704MA 2.5k Units Tape and Reel 1k Units Tape and Reel B07A 3k Units Tape and Reel DS201036 May 2005 = 0.5 V ...

Page 2

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage I OUT Common-Mode Input Voltage Maximum Junction Temperature Storage Temperature Range Soldering Information Infrared or Convection (20 sec.) Wave Soldering (10 sec.) Lead Temp. (soldering 10 sec.) Electrical Characteristics ± ...

Page 3

Electrical Characteristics ± +25˚ + 5V Symbol Parameter CMIR Common Mode Input Range PSRR Power Supply Rejection Ratio V Output Voltage Swing O I Linear Output Current O ...

Page 4

Typical Performance Characteristics Unless Specified). Small Signal Frequency Response vs. Gain Small Signal Frequency Response vs. R Small Signal Frequency Response vs. Capacitive Load www.national.com ± 25˚ 5V Frequency Response vs. V 20103614 ...

Page 5

Typical Performance Characteristics Unless Specified). (Continued) Large Signal Pulse Response Harmonic Distortion vs. Frequency Harmonic Distortion vs. Output Voltage ± 25˚ 5V Small Signal Pulse Response 20103620 Harmonic Distortion vs. Load 20103622 ...

Page 6

Typical Performance Characteristics Unless Specified). (Continued) PSRR vs. Frequency Disable Timing www.national.com ± 25˚ 5V Errors vs. Temperature (A Typical Unit, (Note 7)) 20103628 Disable Output Glitch 20103630 6 = 100Ω, ...

Page 7

Application Section FIGURE 1. Recommended Gain of +2 Circuit FIGURE 2. Recommended Gain of +1 Circuit FIGURE 3. Recommended Gain of −1 Circuit GENERAL INFORMATION The LMH6704 is a high speed current feedback Program- mable Gain Buffer (PGB), optimized for ...

Page 8

Application Section (Continued) UNITY GAIN COMPENSATION With a current feedback PGB like the LMH6704, the feed- back resistor is a compromise between the value needed for stability at unity gain and the optimized value needed at a gain of two. ...

Page 9

... Many of the datasheet plots were measured with these boards. Device Package Evaluation Board Part Number LMH6704MA SOIC-8 CLC730227 LMH6704MF SOT23-6 CLC730216 An evaluation board is shipped upon request when a sample order is placed with National Semiconductor ...

Page 10

Application Section (Continued) )/ θ (150˚ – where T MAX AMB JA AMB ture (˚C) and θ = Thermal resistance, from junction to JA ambient, for a given package (˚C/W). For the SOT23-6 pack- age θ ...

Page 11

Physical Dimensions inches (millimeters) unless otherwise noted 8-Pin SOIC NS Package Number M08A 6-Pin SOT23 NS Package Number MF06A 11 www.national.com ...

Page 12

... BANNED SUBSTANCE COMPLIANCE National Semiconductor manufactures products and uses packing materials that meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...

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