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PDF LM7332 Data sheet ( Hoja de datos )
| Número de pieza | LM7332 | |
| Descripción | High Output Operational Amplifier | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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April 16, 2008
LM7332 Dual Rail-to-Rail Input/Output
30V, Wide Voltage Range, High Output Operational
Amplifier
General Description
The LM7332 is a dual rail-to-rail input and output amplifier with
a wide operating temperature range (−40°C to +125°C) which
meets the needs of automotive, industrial and power supply
applications. The LM7332 has the output current of 100 mA
which is higher than that of most monolithic op amps. Circuit
www.DataSheedt4eUsi.gconms with high output current requirements often need to
use discrete transistors because many op amps have low
current output. The LM7332 has enough current output to
drive many loads directly, saving the cost and space of the
discrete transistors.
The exceptionally wide operating supply voltage range of
2.5V to 32V alleviates any concerns over functionality under
extreme conditions and offers flexibility of use in a multitude
of applications. Most of this device's parameters are insensi-
tive to power supply variations; this design enhancement is
another step in simplifying usage. Greater than rail-to-rail in-
put common mode voltage range allows operation in many
applications, including high side and low side sensing, without
exceeding the input range.
The LM7332 can drive unlimited capacitive loads without os-
cillations.
The LM7332 is offered in the 8-pin MSOP and SOIC pack-
ages.
Features
(VS = ±15V, TA = 25°C, typical values unless specified.)
■ Wide supply voltage range
2.5V to 32V
■ Wide input common mode voltage 0.3V beyond rails
■ Output short circuit current
>100 mA
■ High output current (1V from rails)
±70 mA
■ GBWP
21 MHz
■ Slew rate
15.2 V/µs
■ Capacitive load tolerance
Unlimited
■ Total supply current
2.0 mA
■ Temperature range
−40°C to +125°C
■ Tested at −40°C, +125°C, and 25°C at 5V, ±5V, ±15V
Applications
■ MOSFET and power transistor driver
■ Replaces discrete transistors in high current output circuits
■ Instrumentation 4-20 mA current loops
■ Analog data transmission
■ Multiple voltage power supplies and battery chargers
■ High and low side current sensing
■ Bridge and sensor driving
■ Digital to analog converter output
Key Graphs
Output Swing vs. Sourcing Current
Large Signal Step Response for Various Capacitive Loads
20187518
© 2008 National Semiconductor Corporation 201875
20187534
www.national.com
1 page  
Symbol
Parameter
Condition
ISC Output Short Circuit Current Sourcing from V+, VID = 200 mV
(Note 9)
Sinking to V−, VID = −200 mV
(Note 9)
IOUT Output Current
IS Total Supply Current
VID = ±200 mV, VO = 1V from rails
No Load, VCM = −14.5V
SR Slew Rate
(Note 8)
fu Unity Gain Frequency
GBWP Gain Bandwidth Product
en Input Referred Voltage Noise
www.DataSheet4U.com
in Input Referred Current Noise
THD+N
Total Harmonic Distortion
+Noise
CT Rej. Crosstalk Rejection
AV = +1, VI = 20V Step, RL = 1 MΩ,
CL = 10 pF
RL = 10 MΩ, CL = 20 pF
f = 50 kHz
f = 2 kHz
f = 2 kHz
AV = +2, RL = 100 kΩ, f = 1 kHz
VO = 25 VPP
f = 3 MHz, Driver RL = 10 kΩ
Min
(Note 7)
Typ
(Note 6)
140
Max
(Note 7)
140
Units
mA
±70 mA
2.0
2.5
3.0
mA
15.2 V/µs
9 MHz
21 MHz
15.5 nV/
1 pA/
−93 dB
68 dB
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Rating 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.
Note 2: Human Body Model, applicable std. MIL-STD-883, Method 3015.7. Machine Model, applicable std. JESD22-A115-A (ESD MM std. of JEDEC)
Field-Induced Charge-Device Model, applicable std. JESD22-C101-C (ESD FICDM std. of JEDEC).
Note 3: Applies to both single-supply and split-supply operation. Continuous short circuit operation at elevated ambient temperature can result in exceeding the
maximum allowed junction temperature of 150°C.
Note 4: The maximum power dissipation is a function of TJ(MAX), θJA. The maximum allowable power dissipation at any ambient temperature is PD = (TJ(MAX) –
TA)/ θJA. All numbers apply for packages soldered directly onto a PC Board.
Note 5: Electrical Table values apply only for factory testing conditions at the temperature indicated. Factory testing conditions result in very limited self-heating
of the device such that TJ = TA. No guarantee of parametric performance is indicated in the electrical tables under conditions of internal self-heating where TJ >
TA.
Note 6: Typical values represent the most likely parametric norm as determined at the time of characterization. Actual typical values may vary over time and will
also depend on the application and configuration. The typical values are not tested and are not guaranteed on shipped production material.
Note 7: All limits are guaranteed by testing or statistical analysis.
Note 8: Slew rate is the slower of the rising and falling slew rates. Connected as a Voltage Follower.
Note 9: Short circuit test is a momentary test. Output short circuit duration is infinite for VS ≤ 6V at room temperature and below. For VS > 6V, allowable short
circuit duration is 1.5 ms.
Note 10: Offset voltage temperature drift determined by dividing the change in VOS at temperature extremes into the total temperature change.
Note 11: Positive current corresponds to current flowing in the device.
5 www.national.com
5 Page 
Negative Output Swing vs. Supply Voltage
Open Loop Frequency Response with
Various Capacitive Loads
www.DataSheet4U.com
20187521
Open Loop Frequency Response with
Various Capacitive Loads
20187540
Open Loop Frequency Response with
Various Capacitive Loads
20187541
Open Loop Frequency Response vs. with
Various Resistive Loads
20187542
Open Loop Frequency Response vs. with
Various Supply Voltages
20187539
11
20187537
www.national.com
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet LM7332.PDF ] | |
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