TA1101B Ver la hoja de datos (PDF) - Tripath Technology Inc.

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TA1101B

Stereo 10W (4Ω) Class-T™ Digital Audio Amplifier using Digital Power Processing™ Technology

Tripath Technology Inc. 

TECHNICAL INFORMATION

Absolute Maximum Ratings (Note 1)

SYMBOL

VDD

TSTORE

TA

PDISS

PARAMETER

Supply Voltage

Storage Temperature Range

Operating Free-air Temperature Range

Continuous Total Power Dissipation

Value

16

-40° to 150°

0° to 70°

Note 2

UNITS

V

C

C

W

Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur.

Note 2: See Power Dissipation Derating in the Applications Information section.

Operating Conditions (Note 3)

SYMBOL

VDD

VIH

VIL

PARAMETER

Supply Voltage

High-level Input Voltage (MUTE, SLEEP)

Low-level Input Voltage (MUTE, SLEEP)

MIN.

8.5

3.5

TYP.

12

MAX.

13.2

1

UNITS

V

V

V

Note 3: Recommended Operating Conditions indicate conditions for which the device is functional. See

Electrical Characteristics for guaranteed specific performance limits.

Electrical Characteristics

See Test/Application Circuit. Unless otherwise specified, VDD = 12V, f = 1kHz, Measurement

Bandwidth = 22kHz, RL = 4Ω, TA = 25 °C, Package heat slug soldered to 2.8 square-inch PC pad.

SYMBOL

PARAMETER

CONDITIONS

MIN. TYP. MAX. UNITS

PO

Output Power

(Continuous Average/Channel)

IDD,MUTE Mute Supply Current

THD+N = 0.1%

THD+N = 10%

MUTE = VIH

RL = 4Ω

RL = 8Ω

RL = 4Ω

RL = 8Ω

9

11

W

5.5

6

W

12

16

W

8

10

W

5.5

7

mA

IDD, SLEEP Sleep Supply Current

SLEEP = VIH

0.25

2

mA

Iq

Quiescent Current

VIN = 0 V

61

75

mA

THD + N Total Harmonic Distortion Plus

Noise

IHF-IM IHF Intermodulation Distortion

PO = 9W/Channel

19kHz, 20kHz, 1:1 (IHF)

0.04

%

0.18 0.5

%

SNR

Signal-to-Noise Ratio

A-Weighted, POUT = 1W, RL = 8Ω

89

dB

CS

Channel Separation

30kHz Bandwidth

50

55

dB

PSRR Power Supply Rejection Ratio

Vripple = 100mV.

60

80

dB

η

Power Efficiency

POUT = 10W/Channel, RL = 8Ω

88

%

VOFFSET Output Offset Voltage

No Load, MUTE = Logic Low

50

150

mV

VOH

VOL

eOUT

High-level output voltage

(FAULT & OVERLOAD)

Low-level output voltage

(FAULT & OVERLOAD)

Output Noise Voltage

3.5

V

1

V

A-Weighted, input AC grounded

100

µV

Note: Minimum and maximum limits are guaranteed but may not be 100% tested.

2

TA1101B, Rev. 2.2, 08.17.00

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