TPA6012A4PWP

更新时间： 2024-01-30 13:45:19

品牌	Logo	应用领域
德州仪器 - TI		放大器功率放大器
页数	文件大小	规格书
28页	667K
描述
3-W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL

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TPA6012A4PWP 数据手册

TPA6012A4

www.ti.com

SLOS636 –OCTOBER 2009

RECOMMENDED OPERATING CONDITIONS

MIN

MAX

UNIT

V_SS

V_IH

Supply voltage, V_DD, PV_DD

High-level input voltage

0.8 x V_DD

5.5

SE/BTL, FADE

SHUTDOWN

SE/BTL, FADE

SHUTDOWN

0.6 x V_DD

0.8

V_IL

T_A

Low-level input voltage

Operating free-air temperature

–40

°C

ELECTRICAL CHARACTERISTICS

T_A= 25°C, V_DD= PV_DD= 5.5 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN TYP

MAX UNIT

V_DD= 5.5 V, Gain = 0 dB, SE/BTL = 0 V

V_DD= 5.5 V, Gain = 18 dB, SE/BTL = 0 V

V_DD= PV_DD= 4 V to 5.5 V, Gain = 0 dB

2.6

| V_OO

PSRR

| I_IH

| I_IL

Output offset voltage (measured differentially)

Power supply rejection ratio

–80

High-level input current (SE/BTL, FADE,

SHUTDOWN, VOLUME)

V_DD= PV_DD= 5.5 V,

V_I= V_DD= PV_DD

µA

Low-level input current (SE/BTL, FADE,

SHUTDOWN, VOLUME)

V_DD= PV_DD= 5 V, V_I= 0 V

V_DD= PV_DD= 5 V, SE/BTL = 0 V,

SHUTDOWN = 2 V

6.7

4.5

I_DD

Supply current, no load

V_DD= PV_DD= 5 V, SE/BTL = 5 V,

SHUTDOWN = 2 V

V_DD= 5 V = PV_DD, SE/BTL = 0 V,

SHUTDOWN = 2 V, R_L= 3 Ω,

P_O= 2 W, stereo

I_DD

I_DD(SD)

Supply current, max power into a 3-Ω load

1.5

A_RMS

µA

Supply current, shutdown mode

SHUTDOWN = 0 V

OPERATING CHARACTERISTICS

T_A= 25°C, V_DD= PV_DD= 5 V, R_L= 3 Ω, Gain = 6 dB, Stereo (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

THD = 1%, f = 1 kHz, R_L= 16 Ω (SE)

195

235

THD = 10%, f = 1 kHz, R_L= 16 Ω (SE)

P_O

Output power

THD = 1%, f = 1 kHz, R_L= 3 Ω (BTL)

2.0

THD = 10%, f = 1 kHz, V_DD= 5.5 V, R_L=3 Ω (BTL)

P_O= 0.9 W, R_L= 8 Ω (BTL), f = 20 Hz to 20 kHz

P_O= 0.1 W, R_L= 16 Ω (SE), f = 20 Hz to 20 kHz

R_L= 8 Ω, Measured between output and V_DD= 5.5 V

3.2

THD+N

Total harmonic distortion + noise

<0.1%

0.03%

V_OH

V_OL

High-level output voltage

Low-level output voltage

700

400

R_L= 8 Ω, Measured between output and GND,

V_DD= 5.5 V

V_(Bypass)Bypass voltage (Nominally V_DD/2) Measured at pin 17, No load, V_DD= 5.5 V

2.65

2.75

–66

–60

110

102

2.85

BTL (4Ω)

SE (32Ω)

BTL

Supply ripple rejection ratio

Crosstalk

f = 1 kHz, Gain = 0 dB, C_(BYP)= 1 µF

f = 20 Hz to 20 kHz, Gain = 0 dB,

C_(BYP)= 1 µF

Noise output voltage

BTL

µV_RMS

Z_I

Input impedance (see Figure 20)

VOLUME = 5 V

kΩ

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