AD1847 datasheet(4/28 Pages) AD

No. de pieza	AD1847

Descripción Electrónicos	Serial-Port 16-Bit SoundPort Stereo Codec

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Fabricante Electrónico	AD [Analog Devices]

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AD1847

REV. B

–4–

SYSTEM SPECIFICATIONS

Min

Typ

Max

Units

System Frequency Response†

±0.3

dB

(Line In to Line Out, 20 Hz to 20 kHz)

Differential Nonlinearity†

±1/2

Bit

Phase Linearity Deviation†

1

Degrees

STATIC DIGITAL SPECIFICATIONS

Min

Max

Units

High Level Input Voltage (VIH)

Digital Inputs

2.0

V

XTAL1/2I

2.4

V

Low Level Input Voltage (VIL)

0.8

V

High Level Output Voltage (VOH) IOH = 1 mA

2.4

VDD

V

Low Level Output Voltage (VOL) IOL = 4 mA

0.4

V

Input Leakage Current (GO/NOGO Tested)

–10

+10

µA

Output Leakage Current (GO/NOGO Tested)

–10

+10

µA

TIMING PARAMETERS (Guaranteed Over Operating Temperature Range)

Min

Typ

Max

Units

Serial Frame Sync Period (t1)

1/0.5 FS

µs

Clock to Frame Sync [SDFS] Propagation Delay (tPD1)20

ns

Data Input Setup Time (tS)15

ns

Data Input Hold Time (tH)15

ns

Clock to Output Data Valid (tDV)

25

ns

Clock to Output Three-State [High-Z] (tHZ)20

ns

Clock to Time Slot Output [TSO] Propagation Delay (tPD2)20

ns

RESET

and PWRDOWN Lo Pulse Width (tRPWL)

100

ns

POWER SUPPLY

Min

Max

Units

Power Supply Range – Digital & Analog

4.75

5.25

V

Power Supply Current – Operating (10 k

Ω Line Out Load)

140

mA

Analog Supply Current – Operating (10 k

Ω Line Out Load)

70

mA

Digital Supply Current – Operating (10 k

Ω Line Out Load)

70

mA

Analog Power Supply Current – Power Down

400

µA

Digital Power Supply Current – Power Down

400

µA

Power Dissipation – Operating (Current

Nominal Supply)

750

mW

Power Dissipation – Power Down (Current

Nominal Supply)

4

mW

Power Supply Rejection (@ 1 kHz)†

(At Both Analog and Digital Supply Pins, ADCs)

45

dB

(At Both Analog and Digital Supply Pins, DACs)

55

dB

CLOCK SPECIFICATIONS†

Min

Max

Units

Input Clock Frequency

27

MHz

Recommended Clock Duty Cycle

±10

%

Initialization/Sample Rate Change Time

16.9344 MHz Crystal Selected at Power-Up

171

ms

24.576 MHz Crystal Selected at Power-Up

171

ms

16.9344 MHz Crystal Selected Subsequently

6

ms

24.576 MHz Crystal Selected Subsequently

6

ms

†Guaranteed, not tested.

Specifications subject to change without notice.

Número de pieza similar - AD1847

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