OBSOLETE

LM4900

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SNAS121D – APRIL 2001 – REVISED APRIL 2013

ELECTRICAL CHARACTERISTICS

(1) (2)

25°C

LM4900

Units

Symbol

Parameter

Conditions

Typical

Limit

(Limits)

(3)

(4)

Quiescent Power Supply

(5)

2.6

4

mA (max)

Current

Shutdown Current

0.1

2.0

μA (max)

Output Offset Voltage

5

mV

Output Power

130

mW

Total Harmonic

THD+N

0.4

%

Distortion+Noise

20Hz

≤ f ≤ 20kHz, BW < 80kHz

58

PSRR

Power Supply Rejection Ratio

dB

63

(1)

All voltages are measured with respect to the ground pin, unless otherwise specified.

(2)

Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for

which the device is functional, but do not ensure specific performance limits. Electrical Characteristics state DC and AC electrical

specifications under particular test conditions which ensure specific performance limits. This assumes that the device is within the

Operating Ratings. Specifications are not ensured for parameters where no limit is given, however, the typical value is a good indication

of device performance.

(3)

Typicals are measured at 25°C and represent the parametric normal.

(4)

Datasheet min/max specification limits are specified by design, test, or statistical analysis.

(5)

The quiescent power supply current depends on the offset voltage when a practical load is connected to the amplifier.

(6)

10

Ω terminated input.

EXTERNAL COMPONENTS DESCRIPTION

(Figure 1)

Components

Functional Description

1.

2.

3.

4.

Supply bypass capacitor which provides power supply filtering. Refer to the POWER SUPPLY BYPASSING section for

information concerning proper placement and selection of the supply bypass capacitor.

5.

Bypass pin capacitor which provides half-supply filtering. Refer to the PROPER SELECTION OF EXTERNAL

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