AD1990 查看數據表（PDF） - Analog Devices

零件编号

产品描述 (功能)

生产厂家

AD1990

Audio Switching Amplifier

Analog Devices 

AD1990

Table 5. Power Supplies

Parameter

ANALOG SUPPLY, AVDD

DIGITAL SUPPLY, DVDD

POWER TRANSISTOR SUPPLY, PVDD

RESET/POWER-DOWN CURRENT

AVDD

DVDD

PVDD

QUIESCENT CURRENT

AVDD

DVDD

PVDD

OPERATING CURRENT

AVDD

DVDD

PVDD

Min Typ

4.5 5.0

4.5 5.0

6.5 8 to 12

0.6

7.5

19

20

5.5

30

20

5.5

218

Max Unit Test Conditions/Comments

5.5

V

5.5

V

15

V

RESET held low

1

μA

5V

11

μA

5V

40

μA

12 V

Inputs grounded, nonoverlap = minimum

mA 5 V

mA 5 V

mA 12 V

VIN = 1 V rms, RL = 6 Ω, PO = 1 W

27

mA 5 V

7

mA 5 V

260 mA 12 V

Table 6. Digital I/O

Parameter

INPUT LOGIC HIGH

INPUT LOGIC LOW

OUTPUT LOGIC HIGH

OUTPUT LOGIC LOW

LEAKAGE CURRENT ON DIGITAL OUTPUTS

Min Typ Max Unit Test Conditions/Comments

2.0

V

0.8

V

2.4

V

@ 4 mA

0.4

V

@ 4 mA

10

μA

Table 7. Digital Timing

Parameter

Typ

Unit

Test Conditions/Comments

tMD

10

μs

Delay after MUTE is asserted until output stops switching

tUD

34

μs

Delay after MUTE is deasserted until output starts switching

tMD

tUD

MUTE

OUTx

Figure 2. Mute and Unmute Delay Timing

Rev. 0 | Page 4 of 16

Share Link: