5962-95604 Datasheet PDF - National Semiconductor
| Part Number | 5962-95604 | |
| Description | Dual High Speed/ Low Power/ Low Distortion/ Voltage Feedback Amplifiers | |
| Manufacturers | National Semiconductor | |
| Logo |  |
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May 1999
LM6172
Dual High Speed, Low Power, Low Distortion, Voltage
Feedback Amplifiers
General Description
The LM6172 is a dual high speed voltage feedback amplifier.
It is unity-gain stable and provides excellent DC and AC per-
formance. With 100 MHz unity-gain bandwidth, 3000V/µs
slew rate and 50 mA of output current per channel, the
LM6172 offers high performance in dual amplifiers; yet it
only consumes 2.3 mA of supply current each channel.
The LM6172 operates on ±15V power supply for systems
requiring large voltage swings, such as ADSL, scanners and
ultrasound equipment. It is also specified at ±5V power sup-
ply for low voltage applications such as portable video sys-
tems.
The LM6172 is built with National’s advanced VIP™ III (Ver-
tically Integrated PNP) complementary bipolar process. See
the LM6171 datasheet for a single amplifier with these same
features.
Features
(Typical Unless Otherwise Noted)
n Easy to Use Voltage Feedback Topology
n High Slew Rate 3000V/µs
n Wide Unity-Gain Bandwidth 100 MHz
n Low Supply Current 2.3 mA/Channel
n High Output Current 50 mA/channel
n Specified for ±15V and ±5V Operation
Applications
n Scanner I-to-V Converters
n ADSL/HDSL Drivers
n Multimedia Broadcast Systems
n Video Amplifiers
n NTSC, PAL® and SECAM Systems
n ADC/DAC Buffers
n Pulse Amplifiers and Peak Detectors
LM6172 Driving Capacitive Load
Connection Diagram
DS012581-50
8-Pin DIP/SO
DS012581-44
Top View
DS012581-1
VIP™ is a trademark of National Semiconductor Corporation.
PAL® is a registered trademark of and used under license from Advanced Micro Devices, Inc.
© 1999 National Semiconductor Corporation DS012581
www.national.com
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±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
Symbol
Parameter
Conditions
Typ
(Note 5)
LM6172I
Limit
Units
(Note 5)
PSRR
Power Supply Rejection Ratio
VS = ±15V to ±5V
65 min
95 75 dB
70 min
AV Large Signal Voltage
Gain (Note 6)
RL = 1 kΩ
82 70 dB
65 min
RL = 100Ω
78 65 dB
60 min
VO Output Swing
RL = 1 kΩ
3.4 3.1
V
3 min
−3.3
−3.1
V
−3 max
RL = 100Ω
2.9 2.5
V
2.4 min
−2.7
−2.4
V
−2.3
max
Continuous Output Current
Sourcing, RL = 100Ω
29
25
mA
(Open Loop) (Note 7)
24 min
Sinking, RL = 100Ω
−27 −24
mA
−23 max
ISC Output Short Circuit
Current
Sourcing
Sinking
93
−72
mA
mA
IS Supply Current
Both Amplifiers
4.4 6 mA
7 max
±5V AC Electrical Characteristics
Unless otherwise specified, TJ = 25˚C, V+ = +5V, V− = −5V, VCM = 0V, and RL = 1 kΩ.
Symbol
Parameter
Conditions
SR Slew Rate
Unity-Gain Bandwidth
−3 dB Frequency
φm Phase Margin
ts Settling Time (0.1%)
AD Differential Gain (Note 8)
φD Differential Phase (Note 8)
en Input-Referred
Voltage Noise
in Input-Referred
Current Noise
Second Harmonic
Distortion (Note 10)
Third Harmonic
AV = +2, VIN = 3.5 VPP
AV = +1
AV = +2
AV = −1, VOUT = ±1V,
RL = 500Ω
f = 1 kHz
f = 1 kHz
f = 10 kHz
f = 5 MHz
f = 10 kHz
LM61722
Typ
(Note 5)
750
70
130
45
57
72
0.4
0.7
11
1
−110
−48
−105
Units
V/µs
MHz
MHz
MHz
Deg
ns
%
Deg
dB
dB
dB
5 www.national.com
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| Information | Total 16 Pages | |
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| 5962-95604 | The function is Dual High Speed/ Low Power/ Low Distortion/ Voltage Feedback Amplifiers. National Semiconductor | |
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