Absolute Maximum Ratings

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Supply Voltage

LM387

a

30V

LM387A

a

40V

Power Dissipation (Note 1)

15W

Operating Temperature Range

Storage Temperature Range

b

Lead Temperature (Soldering 10 sec)

260 C

Parameter

Conditions

Min

Typ

Max

Units

Voltage Gain

160000

VV

Supply Current

10

mA

10

mA

Input Resistance

Positive Input

50

100

kX

Negative Input

200

kX

Input Current

05

31

m

A

Negative Input

Output Resistance

Open Loop

150

X

Output Current

Source

8

mA

Sink

2

mA

Output Voltage Swing

Peak-to-Peak

Unity Gain Bandwidth

15

MHz

Large Signal Frequency

75

kHz

Response

Maximum Input Voltage

Linear Operation

300

mVrms

Supply Rejection Ratio

110

dB

Input Referred

Channel Separation

40

60

dB

Total Harmonic Distortion

01

05

%

Total Equivalent Input

10 Hz – 10000 Hz

10

12

m

Vrms

Noise (Flat Gain Cricuit)

LM387

Figure 1

Output Noise NAB Tape

Unweighted

400

700

m

Vrms

Playback Circuit Gain of 37 dB

LM387A

Figure 2

Note 1

For operation in ambient temperatures above 25 C the device must be derated based on a 150 C maximum junction temperature and a thermal resistance

of 80 CW junction to ambient

Two-Pole Fast Turn-ON NAB Tape Preamplifier

TLH7845 – 5

Frequency Response of NAB

Circuit of Figure 2

TLH7845 – 6

2