Absolute Maximum Ratings (Note 2)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Supply Voltage

6.0V

Storage Temperature

−65˚C to +150˚C

Input Voltage

−0.3V to V

Power Dissipation (Note 3)

Internally Limited

ESD Susceptibility (Note 4)

2000V

ESD Susceptibility (Note 5)

200V

Junction Temperature

150˚C

Thermal Resistance

θ

56˚C/W

θ

190˚C/W

Operating Ratings

Temperature Range

T

MIN

≤ T

A

≤ T

MAX

−40˚C

≤ T

A

≤ 85˚C

Supply Voltage

2.6V

≤ V

DD

≤ 5.5V

Electrical Characteristics V

(Notes 1, 2)

The following specifications apply for the circuit shown in Figure 1 unless otherwise specified. Limits apply for T

Symbol

Parameter

Conditions

LM4897

Units

(Limits)

Typical

Limit

(Note 6)

(Notes 7, 8)

I

DD

Quiescent Power Supply Current

V

Ω BTL

5

9

mA (max)

I

SD

Shutdown Current

V

0.1

2

µA (max)

V

OS

Output Offset Voltage

4

30

mV (max)

P

o

Output Power

THD+N = 1% (max), f = 1kHz

1.1

0.9

W (min)

THD+N

Total Harmonic Distortion+Noise

P

0.1

%

PSRR

Power Supply Rejection Ratio

V

C

Input terminated with 10

Ω to GND

63 (f = 1kHz)

62 (f =

217Hz)

55

55

dB (min)

V

SDIH

Shutdown High Input Voltage

1.4

V (min)

V

SDIL

Shutdown Low Input Voltage

0.4

V (max)

V

ON

Output Noise

A-Weighted, Measured across 8

Ω

BTL

Input terminated with 10

Ω to

ground

26

µV

RMS

T

ON

Turn-On Time

C

25

35

ms (max)

Electrical Characteristics V

(Notes 1, 2)

The following specifications apply for the circuit shown in Figure 1 unless otherwise specified. Limits apply for T

Symbol

Parameter

Conditions

LM4897

Units

(Limits)

Typical

Limit

(Note 6)

(Notes 7, 8)

I

DD

Quiescent Power Supply Current

V

Ω BTL

4

8

mA (max)

I

SD

Shutdown Current

V

0.1

2

µA (max)

P

o

Output Power

THD+N = 1% (max), f = 1kHz

350

320

mW (min)

V

OS

Output Offset Voltage

4

30

mV (max)

THD+N

Total Harmonic Distortion+Noise

P

0.1

%

PSRR

Power Supply Rejection Ratio

V

C

Input terminated with 10

Ω to

ground

63 (f = 1kHz)

62 (f =

217Hz)

55

55

dB (min)

V

SDIH

Shutdown High Input Voltage

1.4

V (min)

V

SDIL

Shutdown Low Input Voltage

0.4

V (max)

V

ON

Output Voltage Noise

A-Weighted, Measured across 8

Ω

BTL

Input terminated with 10

Ω to

ground

26

µV

RMS

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