LM48824

SNAS479D – MARCH 2009 – REVISED MAY 2013

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Operating Ratings

Temperature Range (TMIN ≤ TA ≤ TMAX)

−40°C ≤ TA ≤ +85°C

Supply Voltage (VDD)

2.4V

≤ VDD ≤ 5.5V

Electrical Characteristics VDD = 3.6V

(1) (2)

The following specifications apply for AV = 0dB, RL = 32Ω, f = 1kHz, unless otherwise specified. Limits apply to TA = 25°C.

LM48824

Units

Parameter

Test Conditions

(Limits)

Typ(3)

Limit(4)

VIN = 0V, both channels active, RL = ∞

0.9

1.3

mA (max)

IDD

Quiescent Power Supply Current

RL = ∞, Low THD mode

1.55

mA

PO = 100µW, two channels in phase, 3dB

1.8

2.5

mA (max)

Crest Factor, RL = 32Ω + 15Ω

PO = 100µW, two channels in phase, 3dB

Crest Factor, RL = 32Ω + 15Ω,

2.2

mA

Low THD mode

PO = 500µW, two channels in phase, 3dB

3.1

3.8

mA (max)

Crest Factor RL = 32Ω + 15Ω

IDD(OP)

Operating Power Supply Current

PO = 500µW, two channels in phase, 3dB

Crest Factor RL = 32Ω + 15Ω,

3.4

mA

Low THD mode

PO = 1mW, two channels in phase, 3dB

4.1

4.9

mA (max)

Crest Factor, RL = 32Ω + 15Ω

PO = 1mW, two channels in phase, 3dB

Crest Factor, RL = 32Ω + 15Ω,

4.4

mA

Low THD mode

ISD

Shutdown Current

Shutdown Enabled, VSCL = VSDA = 1.8V

2.5

3.9

µA (max)

VOS

Output Offset Voltage

VIN = 0V

0.15

0.65

mV (max)

TWU

Wake Up Time

From Shutdown

2

ms

–58

dB (max)

Minimum Gain Setting

–59

–60

dB (min)

AV

Gain

4.5

dB (max)

Maximum Gain Setting

4

3.5

dB (min)

AV(MUTE)

Mute Attenuation

–110

dB

AV = 4dB

24

20

k

Ω (min)

RIN

Input Resistance

AV = –59dB

64

80

k

Ω (max)

f = 1kHz, THD+N = 1%

37

30

mW (min)

Two channels in phase, RL= 16Ω

PO

Output Power

f = 1kHz, THD+N = 1%

29

23

mW (min)

Two channels in phase, RL= 32Ω

THD+N = 1%, Two Channels in Phase

VRMS

RL = 16Ω

0.77

0.7

(min)

VRMS

VO

Output Swing

RL = 32Ω

0.96

0.86

(min)

RL = 32Ω + 15Ω

1.05

VRMS

VRMS

RL = 10kΩ

1.3

1.1

(min)

(1)

Absolute Maximum Ratings indicate limits beyond which damage to the device may occur, including inoperability and degradation of

device reliability and/or performance. Functional operation of the device and/or non-degradation at the Absolute Maximum Ratings or

other conditions beyond those indicated in the Recommended Operating Conditions is not implied. The Recommended Operating

Conditions indicate conditions at which the device is functional and the device should not be operated beyond such conditions. All

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

(2)

The Electrical Characteristics tables list specified specifications under the listed Recommended Operating Conditions except as

otherwise modified or specified by the Electrical Characteristics Conditions and/or Notes. Typical specifications are estimations only and

are not ensured.

(3)

Typical values represent most likely parametric norms at TA = +25°C, and at the Recommended Operation Conditions at the time of

product characterization and are not ensured.

(4)

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

4

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