TPA6140A2YFF datasheet(5/27 Pages) TI

部品番号	TPA6140A2YFF

部品情報	CLASS-G DIRECTPATH??STEREO HEADPHONE AMPLIFIER WITH I2C VOLUME CONTROL

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ELECTRICAL CHARACTERISTICS

TIMING CHARACTERISTICS

SCL

SDA

tw(H)

tw(L)

tsu1

th1

TPA6140A2

www.ti.com .................................................................................................................................................................................................. SLOS598 – MARCH 2009

TA = 25°C (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

PSRR

Power supply rejection ratio

AVDD = 2.5 V to 5.5 V, inputs grounded, GAIN = 0 dB

90

105

dB

CMRR

Common-mode rejection ratio

HPVDD = 1.3 V to 1.8 V, GAIN = 0 dB

68

dB

|IIH|

High-level input current

AVDD = 2.5 V to 5.5 V, VI = AVDD

SCL, SDA

1

µA

|IIL|

Low-level input current

AVDD = 2.5 V to 5.5 V, VI = 0 V

SCL, SDA

1

µA

ISD

Soft shutdown current

SW Shutdown mode, VDD = 2.5 V to 5.5 V, SWS bit = 1

1

3

µA

AVDD = 3.6 V HPVDD = 1.3 V, Amplifiers active, no load, no

1.2

2.0

input signal

AVDD = 3.6 V, POUT = 100 µW into 32 Ω

(1), f

AUD = 1 kHz

2.5

IDD

Total supply current

AVDD = 3.6 V, POUT = 500 µW into 32 Ω

(1), f

AUD = 1 kHz

4.0

mA

AVDD = 3.6 V, POUT = 1 mW into 32 Ω

(1), f

AUD = 1 kHz

6.8

AVDD = 3.6 V, HiZ_L = HiZ_R = HIGH (High output impedance

1.0

2.0

mode)

(1)

Per channel output power assuming a 10 dB crest factor

For I

2C interface signals over recommended operating conditions (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

fSCL

Frequency, SCL

No wait states

400

kHz

tW(H)

Pulse duration, SCL high

0.6

µs

tW(L)

Pulse duration, SCL low

1.3

µs

tSU1

Setup time, SDA to SCL

100

µs

tH1

Hold time, SCL to SDA

10

ns

t(BUF)

Bus free time between stop and start condition

1.3

µs

tSU2

Setup time, SCL to start condition

0.6

µs

tH2

Hold time, start condition to SCL

0.6

µs

tSU3

Setup time, SCL to stop condition

0.6

µs

Figure 1. SCL and SDA Timing

5

Product Folder Link(s): TPA6140A2

同様の部品番号 - TPA6140A2YFF

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