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LM346 Datasheet Preview

LM346 Datasheet

Programmable Quad Operational Amplifiers

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LM146, LM346
www.ti.com
SNOSBH5B – MAY 2004 – REVISED SEPTEMBER 2004
LM146/LM346 Programmable Quad Operational Amplifiers
Check for Samples: LM146, LM346
FEATURES
1
2 (ISET=10 μA)
• Programmable Electrical Characteristics
• Battery-Powered Operation
• Low Supply Current: 350 μA/Amplifier
• Ensured Gain Bandwidth Product: 0.8 MHz Min
• Large DC Voltage Gain: 120 dB
• Low Noise Voltage: 28 nV/Hz
• Wide Power Supply Range: ±1.5V to ±22V
• Class AB Output Stage–No Crossover
Distortion
• Ideal Pin Out for Biquad Active Filters
• Input Bias Currents are Temperature
Compensated
DESCRIPTION
The LM146 series of quad op amps consists of four
independent, high gain, internally compensated, low
power, programmable amplifiers. Two external
resistors (RSET) allow the user to program the gain
bandwidth product, slew rate, supply current, input
bias current, input offset current and input noise. For
example, the user can trade-off supply current for
bandwidth or optimize noise figure for a given source
resistance. In a similar way, other amplifier
characteristics can be tailored to the application.
Except for the two programming pins at the end of
the package, the LM146 pin-out is the same as the
LM124 and LM148.
Connection Diagram
Figure 1. Dual-In-Line Package - Top View
See Package Number NFE0016A, D0016A or N16A
PROGRAMMING EQUATIONS
Total Supply Current = 1.4 mA (ISET/10 μA)
Gain Bandwidth Product = 1 MHz (ISET/10 μA)
Slew Rate = 0.4V/μs (ISET/10 μA)
Input Bias Current 50 nA (ISET/10 μA)
ISET = Current into pin 8, pin 9 (see Schematic Diagram)
(1)
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.
All trademarks are the property of their respective owners.
2
UNLESS OTHERWISE NOTED this document contains
PRODUCTION DATA information current as of publication date.
Products conform to specifications per the terms of Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2004, Texas Instruments Incorporated




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LM346 Datasheet Preview

LM346 Datasheet

Programmable Quad Operational Amplifiers

No Preview Available !

LM146, LM346
SNOSBH5B – MAY 2004 – REVISED SEPTEMBER 2004
Capacitorless Active Filters (Basic Circuit)
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)(3)
Supply Voltage
Differential Input Voltage(2)
CM Input Voltage(2)
Power Dissipation(4)
Output Short-Circuit Duration(5)
Operating Temperature Range
Maximum Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering, 10 seconds)
Thermal Resistance (θjA)(4)
CDIP (NFE)
SOIC (D)
PDIP (N)
Soldering Information
Dual-In-Line Package
Small Outline Package
Pd
θjA
θjA
Pd
θjA
Soldering (10 seconds)
Vapor Phase (60 seconds)
Infrared (15 seconds)
LM146
±22V
±30V
±15V
900 mW
Continuous
55°C to +125°C
150°C
65°C to +150°C
260°C
900 mW
100°C/W
+260°C
+215°C
+220°C
LM346
±18V
±30V
±15V
500 mW
Continuous
0°C to +70°C
100°C
65°C to +150°C
260°C
900 mW
100°C/W
115°C/W
500 mW
90°C/W
+260°C
+215°C
+220°C
ESD rating is to be determined.
(1) Refer to RETS146X for LM146J military specifications.
(2) For supply voltages less than ±15V, the absolute maximum input voltage is equal to the supply voltage.
(3) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and
specifications.
(4) The maximum power dissipation for these devices must be derated at elevated temperatures and is dictated by TjMAX, θjA, and the
ambient temperature, TA. The maximum available power dissipation at any temperature is Pd=(TjMAX - TA)/θjA or the 25°C PdMAX,
whichever is less.
(5) Any of the amplifier outputs can be shorted to ground indefinitely; however, more than one should not be simultaneously shorted as the
maximum junction temperature will be exceeded.
2 Submit Documentation Feedback
Product Folder Links: LM146 LM346
Copyright © 2004, Texas Instruments Incorporated


Part Number LM346
Description Programmable Quad Operational Amplifiers
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