Electrical Characteristics: Bridged-Mode Operation (V

(Note 3)

The following specifications apply for the circuit shown in Figure 1, R

Ω, and a measurement bandwidth of 20Hz to

80kHz, unless otherwise specified. Limits apply for T

Symbol

Parameter

Conditions

LM4914

Units

(Limits)

Typical

Limit

(Note 8)

(Notes 9, 10)

P

O

Output Power (Note 1, 11)

R

Ω, f = 1kHz,

THD+N = 0.1%, A

1

W (min)

THD+N

Total Harmonic Distortion + Noise

R

Ω, f = 1kHz, P

0.33

%

V

ON

Output Voltage Noise

C

35

µV

RMS

Electrical Characteristics: SE Operation (V

(Note 3)

The following specifications apply for the circuit shown in Figure 1 and a measurement bandwidth of 20Hz to 80kHz, unless

otherwise specified. Limits apply for T

Symbol

Parameter

Conditions

LM4914

Units

(Limits)

Typical

Limit

(Note 8)

(Notes 9, 10)

P

O

Output Power (Note 11)

THD+N = 0.1%, f = 1kHz,

R

Ω,A

85

mW (min)

V

ON

Output Voltage Noise

C

13

µV

RMS

Electrical Characteristics for Entire Amplifier (V

(Note 3)

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

Symbol

Parameter

Conditions

LM4914

Units

(Limits)

Typical

Limit

(Note 8)

(Notes 9, 10)

V

DD

Supply Voltage

2.5

5.5

V (min)

V (max)

I

DD

Quiescent Power Supply Current

V

2.7

5

mA (max)

I

SD

Shutdown Quiescent Power Supply

Current

V

0.03

4

µA (max)

V

OS

Output Offset Voltage

7

30

mV (max)

PSRR

Power Supply Rejection Ratio

V

V

R

Ω

52 BTL

60 SE

dB

HP-S

VIH

HP-SENSE Logic-High Threshold

Voltage

2.7

V (min)

HP-S

VIL

HP-SENSE Logic-Low Threshold

Voltage

1.65

V (max)

SD

VIH

Shutdown Logic High Threshold

2

V (min)

SD

VIL

Shutdown Logic LowThreshold

0.8

V (max)

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