Datasheet > TP2051

TP2051

更新时间： 2022-01-18 23:54:00

品牌	Logo	应用领域
其他 - ETC		/
页数	文件大小	规格书
17页	381K
描述
Amplifier. Other

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TP2051 数据手册

Tripath Technology, Inc. - Technical Information

T C 2 0 0 0 A U D I O S I G N A L P R O C E S S O R P I N D E S C R I P T I O N S

Function

BIASCAP

Description

Bandgap reference times two (typically 2.5VDC). Used to set the common mode voltage

for the input op amps. This pin is not capable of driving external circuitry.

Positive switching feedback.

2, 6

FDBKP2, FDBKP1

DCMP

Internal mode selection. This pin must be grounded for proper device

operation.

4, 7

FDBKN2, FDBKN1

VPWR

Negative switching feedback.

Test pin. Must be left floating.

Logic output. A logic high indicates both amplifiers are muted, due to the mute pin state, or

a “fault”.

Non-inverted switching modulator outputs.

Inverted switching modulator outputs.

HMUTE

Y1, Y2

9, 12

10, 11 Y1B, Y2B

OCD2

REF

No connect

Over Current Detect.

Internal reference voltage; approximately 1.2 VDC.

Over Current Detect. This pin must be grounded for proper device

operation.

OCD1

VnnSense

OVRLDB

VppSense

AGND

Negative power stage over/under supply voltage sense resistor tie point.

A logic low output indicates the input signal has overloaded the amplifier.

Positive power stage over/under supply voltage sense resistor tie point.

Ground

5 Volt power supply input.

22, 27 OAout1, OAout2

23, 28 INv1, INv2

Input stage output pins.

Single-ended inputs. Inputs are a “virtual” ground of an inverting opamp with

approximately 2.4VDC bias.

When set to logic high, both amplifiers are muted and in idle mode. When low (grounded),

both amplifiers are fully operational. If left floating, the device stays in the mute mode.

Ground if not used.

MUTE

25, 26 BBM0, BBM1

Break-before-make timing control to prevent shoot-through in the output FETs.

T C 2 0 0 0 A U D I O S I G N A L P R O C E S S O R P I N O U T

BIASCAP

FDBKP2

DCMP

FDBKN2

VPWR

FDBKP1

FDBKN1

HMUTE

INv2

OAout2

BBM0

BBM1

MUTE

INv1

OAout1

AGND

VppSENSE

OVRLDB

VnnSENSE

OCD1

REF

Y1B

Y2B

OCD2

TK2051 – SB/1.0/8-02

1 2 345 6 7...17

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