TPA032D02 datasheet(6/23 Pages) TI

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TPA032D02

10-W STEREO CLASS-D AUDIO POWER AMPLIFIER

SLOS243A – DECEMBER 1999 – REVISED MARCH 2000

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

electrical characteristics Class-D amplifier, VDD = PVDD = LPVDD = RPVDD = 12 V, RL = 4 Ω to 8 Ω,

TA = 25°C, See Figure 1 (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Power supply rejection ratio

VDD = PVDD = xPVDD = 11 V to 13 V

–40

IDD

Supply current

No output filter connected

IDD(Mute) Supply current, mute mode

MUTE = 0 V

IDD(S/D)

Supply current, shutdown mode

SHUTDOWN = 0 V

µA

|IIH|

High-level input current (MUTE, MODE,

SHUTDOWN)

VIH = 5.25 V

µA

|IIL|

Low-level input current (MUTE, MODE,

SHUTDOWN)

VIL = – 0.3 V

µA

rDS(on)

Static drain-to-source on-state resistance

(high-side + low-side FETs)

IDD = 0.5 A

720

800

Ω

rDS(on)

Matching, high-side to high-side, low-side to

low-side, same channel

95%

98%

operating characteristics, Class-D amplifier, VDD = PVDD = LPVDD = RPVDD = 12 V, RL = 4 Ω,

TA = 25°C, See Figure 1 (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Output power

f = 1 kHz,

THD = 0.5%, per channel,

Device soldered on PCB,

See Note 2

Efficiency

PO = 10 W,

f = 1 kHz

77%

Gain

Left/right channel gain matching

92%

95%

Noise floor

–60

Dynamic range

Crosstalk

f = 1 kHz

–50

Frequency response bandwidth, post output filter, – 3 dB

20 000

BOM

Maximum output power bandwidth

kHz

Input impedance

Ω

NOTE 2: Output power is thermally limited, TA = 23°C

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