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PDF LM6171BIM Data sheet ( Hoja de datos )
| Número de pieza | LM6171BIM | |
| Descripción | High Speed Low Power Low Distortion Voltage Feedback Amplifier | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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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 VIP™ III (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
VIP™ is 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
1 page  
±5V DC Electrical Characteristics (Continued)
Unless otherwise specified, all limits guaranteed for TJ = 25˚C, V+ = +5V, V− = −5V, VCM = 0V, and RL = 1 kΩ. Boldface
limits apply at the temperature extremes
Typ LM6171AI LM6171BI
Symbol
Parameter
Conditions
(Note 5)
Limit
Limit
Units
(Note 6)
(Note 6)
RIN Input Resistance
Common Mode
Differential Mode
40
4.9
MΩ
RO
CMRR
Open Loop
Output Resistance
Common Mode
Rejection Ratio
VCM = ±2.5V
14
105 80
75
Ω
75 dB
70 min
PSRR
Power Supply
Rejection Ratio
VS = ±15V to ±5V 95 85 80 dB
80 75 min
VCM
Input Common-Mode
Voltage Range
CMRR ≥ 60 dB
±3.7
V
AV Large Signal Voltage
Gain (Note 7)
RL = 1 kΩ
84 75 75 dB
65 65 min
RL = 100Ω
80 70 70 dB
60 60 min
VO Output Swing
RL = 1 kΩ
3.5 3.2 3.2 V
3 3 min
−3.4
−3.2
−3.2
V
−3 −3 max
RL = 100Ω
3.2 2.8 2.8 V
2.5 2.5 min
−3.0
−2.8
−2.8
V
−2.5
−2.5
max
Continuous Output Current
Sourcing, RL = 100Ω
32
28
28 mA
(Open Loop) (Note 8)
25 25 min
Sinking, RL = 100Ω
30
28
28 mA
25 25 max
ISC Output Short
Circuit Current
Sourcing
Sinking
130
100
mA
mA
IS Supply Current
2.3 3
3 mA
3.5 3.5 max
±5V AC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for TJ = 25˚C, V+ = +5V, V− = −5V, VCM = 0V, and RL = 1 kΩ. Boldface
limits apply at the temperature extremes
Typ LM6171AI LM6171BI
Symbol
Parameter
Conditions
(Note 5)
Limit
Limit
Units
SR
GBW
Slew Rate (Note 9)
Unity Gain-Bandwidth
AV = +2, VIN = 3.5 VPP
(Note 6) (Note 6)
750
70
V/µs
MHz
Product
−3 dB Frequency
φm Phase Margin
ts Settling Time (0.1%)
Propagation Delay
AV = +1
AV = +2
AV = −1, VOUT = +1V,
RL = 500Ω
VIN = ±1V, RL = 500Ω,
130
45
57
60
8
MHz
deg
ns
ns
5 www.national.com
5 Page 
Typical Performance Characteristics Unless otherwise noted, TA = 25˚C (Continued)
Closed Loop Frequency
Response vs Capacitive
Load (AV = +1)
Closed Loop Frequency
Response vs Capacitive
Load (AV = +2)
Closed Loop Frequency
Response vs Capacitive
Load (AV = +2)
DS012336-62
Total Harmonic Distortion
vs Frequency
DS012336-63
Total Harmonic Distortion
vs Frequency
DS012336-64
Total Harmonic Distortion
vs Frequency
DS012336-65
Total Harmonic Distortion
vs Frequency
DS012336-66
Undistorted Output Swing
vs Frequency
DS012336-67
Undistorted Output Swing
vs Frequency
DS012336-68
DS012336-69
DS012336-70
11 www.national.com
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet LM6171BIM.PDF ] | |
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