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LM3900 Datasheet Preview

LM3900 Datasheet

QUADRUPLE NORTON OPERATIONAL AMPLIFIER

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LM2900, LM3900
QUADRUPLE NORTON OPERATIONAL AMPLIFIERS
D Wide Range of Supply Voltages, Single or
Dual Supplies
D Wide Bandwidth
D Large Output Voltage Swing
D Output Short-Circuit Protection
D Internal Frequency Compensation
D Low Input Bias Current
D Designed to Be Interchangeable With
National Semiconductor LM2900 and
LM3900, Respectively
description
These devices consist of four independent, high-
gain frequency-compensated Norton operational
amplifiers that were designed specifically to
operate from a single supply over a wide range of
voltages. Operation from split supplies is also
possible. The low supply current drain is
essentially independent of the magnitude of the
supply voltage. These devices provide wide band-
width and large output voltage swing.
The LM2900 is characterized for operation from
– 40°C to 85°C, and the LM3900 is characterized
for operation from 0°C to 70°C.
schematic (each amplifier)
SLOS059 – JULY 1979 – REVISED SEPTEMBER 1990
N PACKAGE
(TOP VIEW)
1IN + 1
2IN + 2
2IN – 3
2OUT 4
1OUT 5
1IN – 6
GND 7
14 VCC
13 3IN +
12 4IN +
11 4IN –
10 4OUT
9 3OUT
8 3IN –
symbol (each amplifier)
IN +
+
IN –
OUT
VCC
Constant
Current
Generator
200 µA
OUT
IN –
IN +
1.3 mA
PRODUCTION DATA information is 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.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright © 1990, Texas Instruments Incorporated
1




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LM3900 Datasheet Preview

LM3900 Datasheet

QUADRUPLE NORTON OPERATIONAL AMPLIFIER

No Preview Available !

LM2900, LM3900
QUADRUPLE NORTON OPERATIONAL AMPLIFIERS
SLOS059 – JULY 1979 – REVISED SEPTEMBER 1990
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
LM2900 LM3900 UNIT
Supply voltage, VCC (see Note 1)
Input current
36
36
V
20
20
mA
Duration of output short circuit (one amplifier) to ground at (or below) 25°C free-air temperature
(see Note 2)
unlimited unlimited
Continuous total dissipation
See Dissipation Rating Table
Operating free-air temperature range
– 40 to 85 0 to 70
°C
Storage temperature range
– 65 to 150 – 65 to 150 °C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
260
260
°C
NOTES: 1. All voltage values, except differential voltages, are with respect to the network ground terminal.
2. Short circuits from outputs to VCC can cause excessive heating and eventual destruction.
PACKAGE
N
DISSIPATION RATING TABLE
TA 25°C
POWER RATING
1150 mW
DERATING FACTOR
ABOVE TA = 25°C
9.2 mW/°C
TA = 70°C
POWER RATING
736 mW
TA = 85°C
POWER RATING
598 mW
recommended operating conditions
LM2900
MIN MAX
LM3900
UNIT
MIN MAX
Supply voltage, VCC (single supply)
Supply voltage, VCC + (dual supply)
Supply voltage, VCC (dual supply)
Input current (see Note 3)
4.5
32 4.5
32 V
2.2
16 2.2
16 V
– 2.2 – 16 – 2.2 – 16 V
–1
– 1 mA
Operating free-air temperature, TA
– 40
85
0
70 °C
NOTE 3: Clamp transistors are included that prevent the input voltages from swinging below ground more than approximately – 0.3 V. The
negative input currents that may result from large signal overdrive with capacitive input coupling must be limited externally to values
of approximately – 1 mA. Negative input currents in excess of – 4 mA causes the output voltage to drop to a low voltage. These
values apply for any one of the input terminals. If more than one of the input terminals are simultaneously driven negative, maximum
currents are reduced. Common-mode current biasing can be used to prevent negative input voltages.
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265



Part Number LM3900
Description QUADRUPLE NORTON OPERATIONAL AMPLIFIER
Maker etcTI
Total Page 3 Pages
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LM3900 Datasheet PDF





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