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National Semiconductor
National Semiconductor

LM6171 Datasheet

High Speed Low Power Low Distortion Voltage Feedback Amplifier


LM6171 Datasheet Preview


May 1998
LM6171
High Speed Low Power Low Distortion Voltage Feedback
Amplifier
General Description
The LM6171 is a high speed unity-gain stable voltage feed-
back amplifier. It offers a high slew rate of 3600V/µs and a
unity-gain bandwidth of 100 MHz while consuming only 2.5
mA of supply current. The LM6171 has very impressive AC
and DC performance which is a great benefit for high speed
signal processing and video applications.
The ±15V power supplies allow for large signal swings and
give greater dynamic range and signal-to-noise ratio. The
LM6171 has high output current drive, low SFDR and THD,
ideal for ADC/DAC systems. The LM6171 is specified for
±5V operation for portable applications.
The LM6171 is built on National’s advanced VIPIII (Verti-
cally Integrated PNP) complementary bipolar process.
Features
(Typical Unless Otherwise Noted)
n Easy-To-Use Voltage Feedback Topology
n Very High Slew Rate: 3600V/µs
n Wide Unity-Gain-Bandwidth Product: 100 MHz
n −3 dB Frequency @ AV = +2: 62 MHz
n Low Supply Current: 2.5 mA
n High CMRR: 110 dB
n High Open Loop Gain: 90 dB
n Specified for ±15V and ±5V Operation
Applications
n Multimedia Broadcast Systems
n Line Drivers, Switchers
n Video Amplifiers
n NTSC, PAL® and SECAM Systems
n ADC/DAC Buffers
n HDTV Amplifiers
n Pulse Amplifiers and Peak Detectors
n Instrumentation Amplifier
n Active Filters
Typical Performance Characteristics
Closed Loop Frequency Response
vs Supply Voltage (AV = +1)
Large Signal
Pulse Response
AV = +1, VS = ±15
DS012336-5
VIPis a trademark of National Semiconductor Corporation.
PAL® is a registered trademark of and used under licence from Advanced Micro Devices, Inc.
© 1999 National Semiconductor Corporation DS012336
DS012336-9
www.national.com
Page 1

Connection Diagram
8-Pin DIP/SO
Ordering Information
Package
8-Pin
Molded DIP
8-Pin
Small Outline
Temperature Range
Industrial
−40˚C to +85˚C
LM6171AIN
LM6171BIN
LM6171AIM, LM6171BIM
LM6171AIMX, LM6171BIMX
DS012336-1
Top View
Transport
Media
NSC
Drawing
Rails
N08E
Rails
Tape and Reel
M08A
www.national.com
2
Page 2

Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
ESD Tolerance (Note 2)
Supply Voltage (V+–V)
Differential Input Voltage
(Note 11)
Common-Mode
Voltage Range
Output Short Circuit to Ground
(Note 3)
2.5 kV
36V
±10V
V+ −1.4V to V+ 1.4V
Continuous
Storage Temperature Range
Maximum Junction Temperature
(Note 4)
−65˚C to +150˚C
150˚C
Operating Ratings (Note 1)
Supply Voltage
Junction Temperature Range
LM6171AI, LM6171BI
Thermal Resistance (θJA)
N Package, 8-Pin Molded DIP
M Package, 8-Pin Surface Mount
2.75V V+ 18V
−40˚C TJ +85˚C
108˚C/W
172˚C/W
±15V DC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for TJ = 25˚C, V+ = +15V, V= −15V, VCM = 0V, and RL = 1 k. Boldface
limits apply at the temperature extremes
Typ LM6171AI LM6171BI
Symbol
Parameter
Conditions
(Note 5)
Limit
Limit
Units
(Note 6)
(Note 6)
VOS Input Offset Voltage
1.5 3
5
6 mV
8 max
TC VOS
IB
Input Offset Voltage Average Drift
Input Bias Current
6
13
4
µV/˚C
3 µA
4 max
IOS Input Offset Current
0.03
2
3
2 µA
3 max
RIN Input Resistance
Common Mode
Differential Mode
40
4.9
M
RO
CMRR
Open Loop
Output Resistance
Common Mode
Rejection Ratio
VCM = ±10V
14
110 80
75
75 dB
70 min
PSRR
Power Supply
Rejection Ratio
VS = ±15V to ±5V
95 85
80
80 dB
75 min
VCM
Input Common-Mode
Voltage Range
CMRR 60 dB
±13.5
V
AV Large Signal Voltage
Gain (Note 7)
RL = 1 k
90 80
70
80 dB
70 min
RL = 100
83 70
60
70 dB
60 min
VO Output Swing
RL = 1 k
13.3
12.5
12
12.5 V
12 min
−13.3
−12.5
−12.5
V
−12 −12 max
RL = 100
11.6
9
8.5
9V
8.5 min
−10.5
−9
−9 V
−8.5
−8.5
max
Continuous Output Current
(Open Loop) (Note 8)
Sourcing, RL = 100
116
90
85
90 mA
85 min
Sinking, RL = 100105 90
85
90 mA
85 max
3 www.national.com
Page 3

±15V DC Electrical Characteristics (Continued)
Unless otherwise specified, all limits guaranteed for TJ = 25˚C, V+ = +15V, V= −15V, VCM = 0V, and RL = 1 k. Boldface
limits apply at the temperature extremes
Typ LM6171AI LM6171BI
Symbol
Parameter
Conditions
(Note 5)
Limit
Limit
Units
(Note 6)
(Note 6)
Continuous Output Current
(in Linear Region)
ISC Output Short
Circuit Current
Sourcing, RL = 10
Sinking, RL = 10
Sourcing
Sinking
100
80
135
135
mA
mA
mA
mA
IS Supply Current
2.5 4
4.5
4 mA
4.5 max
±15V AC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for TJ = 25˚C, V+ = +15V, V= −15V, VCM = 0V, and RL = 1 k. Boldface
limits apply at the temperature extremes
Typ LM6171AI LM6171BI
Symbol
Parameter
Conditions
(Note 5)
Limit
Limit
Units
(Note 6) (Note 6)
SR
GBW
Slew Rate (Note 9)
Unity Gain-Bandwidth Product
AV = +2, VIN = 13 VPP
AV = +2, VIN = 10 VPP
3600
3000
100
V/µs
MHz
−3 dB Frequency
AV = +1
160
AV = +2
62
φm Phase Margin
40
ts Settling Time (0.1%)
Propagation Delay
AV = −1, VOUT = ±5V
RL = 500
VIN = ±5V, RL = 500,
AV = −2
48
6
AD Differential Gain (Note 10)
0.03
φD Differential Phase (Note 10)
en Input-Referred
f = 1 kHz
0.5
12
Voltage Noise
MHz
MHz
deg
ns
ns
%
deg
in Input-Referred
Current Noise
f = 1 kHz
1
±5V DC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for TJ = 25˚C, V+ = +5V, V= −5V, VCM = 0V, and RL = 1 k. Boldface
limits apply at the temperature extremes
Typ LM6171AI LM6171BI
Symbol
Parameter
Conditions
(Note 5)
Limit
Limit
Units
(Note 6)
(Note 6)
VOS Input Offset Voltage
1.2 3
5
6 mV
8 max
TC VOS
Input Offset Voltage
Average Drift
4 µV/˚C
IB Input Bias Current
1 2.5 2.5 µA
3.5 3.5 max
IOS Input Offset Current
0.03
1.5
2.2
1.5 µA
2.2 max
www.national.com
4
Page 4
Part Number LM6171
Manufactur National Semiconductor
Description High Speed Low Power Low Distortion Voltage Feedback Amplifier
Total Page 17 Pages
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Related Datasheet

LM6171 , LM6171AIM , LM6171AIMX , LM6171AIN , LM6171BIM , LM6171BIMX , LM6171BIN , LM6172 , LM6172AMJ-QML , LM6172AMWG-QML , LM6172IM , LM6172IMX , LM6172IN ,

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