AD1994 datasheet(4/24 Pages) AD

номер детали	AD1994

подробное описание детали	Audio Switching Amplifier

PDF	24 Pages

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производитель	AD [Analog Devices]

домашняя страница	http://www.analog.com

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AD1994

Rev. 0 | Page 4 of 24

Table 5. Power Supplies

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

ANALOG SUPPLY, AVDD

4.5

5.0

5.5

DIGITAL SUPPLY, DVDD

4.5

5.0

5.5

POWER TRANSISTOR SUPPLY, PVDD

6.5

8 to 20

22.5

RESET/POWER-DOWN CURRENT

RESET held low

AVDD

0.6

μA

5 V

7.5

μA

5 V

μA

12 V

QUIESCENT CURRENT

Inputs grounded, nonoverlap = minimum

5 V

5.5

5 V

12 V

OPERATING CURRENT

VIN = 1 V rms, RL = 6 Ω, PO = 1 W

5 V

5.5

5 V

218

260

12 V

Table 6. Digital I/O

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

INPUT LOGIC HIGH

2.0

INPUT LOGIC LOW

0.8

OUTPUT LOGIC HIGH

2.4

@ 4 mA

OUTPUT LOGIC LOW

0.4

@ 4 mA

LEAKAGE CURRENT ON DIGITAL OUTPUTS

μA

Table 7. Digital Timing

Parameter

Typ

Unit

Test Conditions/Comments

tMD

μs

Delay after MUTE is asserted until output stops switching

tUD

μs

Delay after MUTE is deasserted until output starts switching

MUTE

OUTx

tUD

tMD

Figure 2. Mute and Unmute Delay Timing

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