AK4376AECB datasheet(49/68 Pages) AKM

Nome de Peças	AK4376AECB

Descrição Electrónicos	Low-Power Advanced 32-bit DAC with HP

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Fabricante Electrônico	AKM [Asahi Kasei Microsystems]

Página de início	http://www.akm.com

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49 / 68 page

[AK4376A]

016014206-E-00

2016/11

- 49 -

■ Power-up & Operation Mode

Power Down State (PDN pin

= “L”)

When the PDN pin is “L”, the AK4376A is in a power-down state. Power supplies must be applied

when the PDN pin = “L”. Set the PDN pin to “H” to release the power-down state after all the power

supplies are on. More than o

ne tPDN cycle of “L” period is needed before releasing the

power-down state. The state of the AK4376A transitions to LDO2 Ctrl state by bringing the PDN

pin to “H”.

LDO2 Ctrl State

This is a state to control the LDO2.

LDO2 is powered up and the internal

DRSTN signal is changed from “L” to “H” after max. 1 ms,

and the AK4376A enters a Standby state.

Standby State

I

2C interface is powered up and register accesses are enabled.

*10ms (min.) wait time for power-up of analog circuit blocks (CP1, CP2, LDO1P, LDO1N, DAC,

HP-Amp and PLL) is needed after setting the PDN pin to

”H” to release the power-down state.

Figure 20. Device State Diagram

1. PDN pin

“L” → “H”

2. Wait 1 ms until LDO2 1.2V output is stable.

3. Internal DRSTN Signal:

“L” → “H”

4. Register Access Ready

Power

Down

LDO2

Ctrl

 1 ms

Standby

+

V

PDN pin =

“H”

PDN pin =

“L”

No

DRSTN

↑

Yes

Nº de peça semelhante - AK4376AECB

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Asahi Kasei Microsystem...	AK4376A	1Mb / 68P	Low-Power Advanced 32-bit DAC with HP

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Descrição semelhante - AK4376AECB

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Asahi Kasei Microsystem...	AK4376ECB	198Kb / 5P	Low-Power Advanced 32-bit DAC with HP
	AK4377A	1Mb / 68P	Low-Power Advanced 32-bit DAC with HP
	AK4376	198Kb / 5P	Low-Power Advanced 32-bit DAC with HP
	AK4376A	1Mb / 68P	Low-Power Advanced 32-bit DAC with HP
	AK4375A	270Kb / 4P	Low-Power Advanced 32-bit DAC with HP/SRC
	AK4375AECB	270Kb / 4P	Low-Power Advanced 32-bit DAC with HP/SRC
	AK4331	2Mb / 91P	Low-Power Advanced 32-bit DAC with HP/SRC
	AK4456	2Mb / 84P	115dB 768kHz Advanced 32-bit DAC
	AK4366	266Kb / 30P	Low Power 24-Bit 2ch DAC with HP-AMP
	AK4366	339Kb / 31P	Low Power 24-Bit 2ch DAC with HP-AMP

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