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CS8401A-CP

Digital Audio Interface Transmitter

Cirrus Logic 

CS8401A CS8402A

ABSOLUTE MAXIMUM RATINGS (GND = 0V, all voltages with respect to ground.)

DC Power Supply

Parameter

Symbol

Min

Max

VD+

6.0

Input Current, Any Pin Except Supply

Note 1

Iin

-

±10

Digital Input Voltage

VIND

-0.3

VD+

Ambient Operating Temperature (power applied)

TA

-55

125

Storage Temperature

Tstg

-65

150

Notes: 1. Transient currents of up to 100 mA will not cause SCR latch-up.

WARNING: Operation at or beyond these limits may result in permanent damage to the device.

Normal operation is not guaranteed at these extremes.

Units

V

mA

V

°C

°C

RECOMMENDED OPERATING CONDITIONS

(GND = 0V; all voltages with respect to ground)

Parameter

Symbol

Min

Typ

Max

DC Voltage

VD+

4.5

5.0

5.5

Supply Current

Note 2

IDD

1.5

5

Ambient Operating Temperature: CS8401/2A-CP or -CS Note 3

TA

CS8401/2A-IP or -IS

0

25

70

-40

85

Power Consumption

Note 2

PD

7.5

25

Notes:

2. Drivers open (unloaded). The majority of power is used in the load connected to the drivers.

3. The ’-CP’ and ’-CS’ parts are specified to operate over 0 to 70 °C but are tested at 25 °C only.

The ’-IP’ and ’-IS’ parts are tested over the full -40 to 85 °C temperature range.

Units

V

mA

°C

°C

mW

DIGITAL CHARACTERISTICS

(TA = 25 °C for suffixes ’CP’ & ’CS’, TA = -40 to 85 °C for ’IP’ & ’IS’; VD+ = 5V ± 10%)

Parameter

Symbol

Min

Typ

Max

Units

High-Level Input Voltage

Low-Level Input Voltage

High-Level Output Voltage

Low-Level Output Voltage

Input Leakage Current

Master Clock Frequency:

(IO = 200µA)

(IO = 3.2mA)

CS8401A

CS8402A

Note 4

Note 4

VIH

VIL

VOH

VOL

Iin

MCK

2.0

-0.3

VDD-1.0

VDD+0.3

V

+0.8

V

V

0.4

V

1.0

10

µA

22

MHz

7.1

MHz

Master Clock Duty Cycle

CS8401/2A

40

60

%

Notes: 4. MCK for the CS8401 must be 128, 192, 256, or 384× the input word rate based on M0 and M1 in control

register 2. MCK for the CS8402A must be 128× the input word rate, except in Transparent Mode where MCK is

256x the input word rate.

Specifications are subject to change without notice.

2

DS60F1

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