LM48860TL datasheet(4/18 Pages) NSC

4 / 18 page

Absolute Maximum Ratings (Notes 2, 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 Rating(Note 4)

2000V

ESD Rating (Note 5)

200V

Junction Temperature

150°C

Thermal Resistance

JA (typ) TLA12XXX

59.3°C/W

Operating Ratings

Temperature Range

MIN ≤ TA ≤ TMAX

−40°C

≤ T

A ≤ 85°C

Supply Voltage (V

DD)

2.0V

≤ V

DD ≤ 5.5V

Electrical Characteristics V

DD = 3V (Notes 1, 2)

The following specifications apply for V

DD = 3V and 16Ω load unless otherwise specified. Limits apply to TA = 25°C.

Symbol

Parameter

Conditions

LM48860

Units

(Limits)

Typical

(Note 6)

Limit

(Note 7)

Quiescent Power Supply Current

Full Power Mode

DD = 3.0V,

IN = 0V, inputs terminated

both channels enabled

5.5

mA (max)

DD = 5.0V,

IN = 0V, inputs terminated

both channels enabled

4.2

Shutdown Current

SD_LC = SD_RC= GND

0.1

µA (max)

SD_LC = SD_RC= GND,

DD = 5.0V

0.1

µA (max)

Output Offset Voltage

L = 32Ω, VIN = 0V

0.7

5.5

mV (max)

Voltage Gain

–1.5

V/V

ΔA

Channel-to-channel Gain

Matching

Input Resistance

Ω (min)

Ω (max)

Output Power

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

L = 16Ω, (two channels in phase)

mW (min)

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

L = 32Ω, (two channels in phase)

mW (min)

THD+N

Total Harmonic Distortion +

Noise

O = 20mW, f = 1kHz, RL = 16Ω

(two channels in phase)

0.025

O = 25mW, f = 1kHz, RL = 32Ω

(two channels in phase)

0.014

PSRR

Power Supply Rejection Ratio

Full Power Mode

RIPPLE = 200mVPP, Input Referred

f = 217Hz

dB (min)

f = 1kHz

f = 20kHz

SNR

Signal-to-Noise Ratio

L = 32Ω, POUT = 50mW,

f = 1kHz, BW = 20Hz to 22kHz,

A-weighted

105

Shutdown Input Voltage High

DD = 2.0V to 5.5V

1.2

V (min)

Shutdown Input Voltage Low

DD = 2.0V to 5.5V

0.45

V (max)

TALK

Crosstalk

L = 16Ω, PO = 1.6mW,

f = 1kHz

∈

Output Noise

A-weighted filter, V

IN = 0V

μV

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