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LM6172IM

Part # LM6172IM
Description DUAL HIGH SPEED, LOW POWER, LOW DISTORTI - Rail/Tube
Category IC
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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

LM6172
www.ti.com
SNOS792D MAY 1999REVISED MARCH 2013
LM6172 Dual High Speed, Low Power, Low Distortion, Voltage Feedback Amplifiers
Check for Samples: LM6172
1
FEATURES
DESCRIPTION
The LM6172 is a dual high speed voltage feedback
2
(Typical Unless Otherwise Noted)
amplifier. It is unity-gain stable and provides excellent
Easy to Use Voltage Feedback Topology
DC and AC performance. With 100MHz unity-gain
High Slew Rate 3000V/μs
bandwidth, 3000V/μs slew rate and 50mA of output
current per channel, the LM6172 offers high
Wide Unity-Gain Bandwidth 100MHz
performance in dual amplifiers; yet it only consumes
Low Supply Current 2.3mA/Channel
2.3mA of supply current each channel.
High Output Current 50mA/channel
The LM6172 operates on ±15V power supply for
Specified for ±15V and ±5V Operation
systems requiring large voltage swings, such as
ADSL, scanners and ultrasound equipment. It is also
APPLICATIONS
specified at ±5V power supply for low voltage
applications such as portable video systems.
Scanner I-to-V Converters
ADSL/HDSL Drivers
The LM6172 is built with TI's advanced VIP III
(Vertically Integrated PNP) complementary bipolar
Multimedia Broadcast Systems
process. See the LM6171 datasheet for a single
Video Amplifiers
amplifier with these same features.
NTSC, PAL and SECAM Systems
ADC/DAC Buffers
Pulse Amplifiers and Peak Detectors
LM6172 Driving Capacitive Load
Connection Diagram
Figure 1. Top View 8-Pin
See Package Numbers P (PDIP) and D (SOIC)
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 1999–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
LM6172
SNOS792D MAY 1999REVISED MARCH 2013
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Absolute Maximum Ratings
(1)(2)
ESD Tolerance
(3)
Human Body Model 3kV
Machine Model 300V
Supply Voltage (V
+
V
) 36V
Differential Input Voltage ±10V
Common Mode Voltage Range V
+
+0.3V to V
0.3V
Input Current ±10mA
Output Short Circuit to Ground
(4)
Continuous
Storage Temp. Range 65°C to +150°C
Maximum Junction Temperature
(5)
150°C
Soldering Information Infrared or Convection Reflow 235°C
(20 sec.)
Wave Soldering Lead Temp 260°C
(10 sec.)
(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.
(2) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/Distributors for availability and
specifications.
(3) Human body model, 1.5kΩ in series with 100pF. Machine Model, 200Ω in series with 100pF.
(4) Continuous short circuit operation can result in exceeding the maximum allowed junction temperature of 150°C.
(5) The maximum power dissipation is a function of T
J(max)
, θ
JA
, and T
A
. The maximum allowable power dissipation at any ambient
temperature is P
D
= (T
J(max)
T
A
)/θ
JA
. All numbers apply for packages soldered directly into a PC board.
Operating Ratings
(1)
Supply Voltage 5.5V V
S
36V
Operating Temperature Range LM6172I 40°C to +85°C
Thermal Resistance (θ
JA
) P Package, 8-Pin PDIP 95°C/W
D Package, 8-Pin SOIC 160°C/W
(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.
±15V DC Electrical Characteristics
Unless otherwise specified, all limits guaranteed for T
J
= 25°C,V
+
= +15V, V
= 15V, V
CM
= 0V, and R
L
= 1kΩ. Boldface
limits apply at the temperature extremes
Symbol Parameter Conditions Typ LM6172I Units
(1)
Limit
(2)
V
OS
Input Offset Voltage 0.4 3 mV
4 max
TC V
OS
Input Offset Voltage Average Drift 6 μV/°C
I
B
Input Bias Current 1.2 3 μA
4 max
I
OS
Input Offset Current 0.02 2 μA
3 max
R
IN
Input Resistance Common Mode 40
MΩ
Differential Mode 4.9
R
O
Open Loop Output Resistance 14 Ω
(1) Typical Values represent the most likely parametric normal.
(2) All limits are guaranteed by testing or statistical analysis.
2 Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated
Product Folder Links: LM6172
LM6172
www.ti.com
SNOS792D MAY 1999REVISED MARCH 2013
±15V DC Electrical Characteristics (continued)
Unless otherwise specified, all limits guaranteed for T
J
= 25°C,V
+
= +15V, V
= 15V, V
CM
= 0V, and R
L
= 1kΩ. Boldface
limits apply at the temperature extremes
Symbol Parameter Conditions Typ LM6172I Units
(1)
Limit
(2)
CMRR Common Mode Rejection Ratio V
CM
= ±10V 110 70 dB
65 min
PSRR Power Supply Rejection Ratio V
S
= ±15V to ±5V 95 75 dB
70 min
V
CM
Input Common Mode Voltage Range CMRR 60dB ±13.5 V
A
V
Large Signal Voltage Gain
(3)
R
L
= 1kΩ 86 80 dB
75 min
R
L
= 100Ω 78 65 dB
60 min
V
O
Output Swing R
L
= 1kΩ 13.2 12.5 V
12 min
13.1 12.5 V
12 max
R
L
= 100Ω 9 6 V
5 min
8.5 6 V
5 max
Continuous Output Current Sourcing, R
L
= 100Ω 90 60 mA
50 min
(Open Loop)
(4)
Sinking, R
L
= 100Ω 85 60 mA
50 max
I
SC
Sourcing 107 mA
Current Output Short Circuit
Sinking 105 mA
I
S
Supply Current Both Amplifiers 4.6 8 mA
9 max
(3) Large signal voltage gain is the total output swing divided by the input signal required to produce that swing. For V
S
= ±15V, V
OUT
=
±5V. For V
S
= ±5V, V
OUT
= ±1V.
(4) The open loop output current is the output swing with the 100Ω load resistor divided by that resistor.
Copyright © 1999–2013, Texas Instruments Incorporated Submit Documentation Feedback 3
Product Folder Links: LM6172
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