CS48LV13-CNZR Просмотр технического описания (PDF) - Cirrus Logic

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CS48LV13-CNZR

Ultralow Power HD Voice Processors, Featuring SoundClear® Technology

Cirrus Logic 

• Multi-mic noise reduction

• Single-mic noise reduction

• Audio detection and classification

• AEC, including path-change detection

• Nonlinear residual echo suppression

• Tx and Rx automatic level control

• Tx and Rx parametric EQ (with graphical interface)

• Rx automatic volume control

• Speaker out compander

• Double-talk detection

• Voice activity detection

• Tx and Rx comfort noise generation

4 Characteristics and Specifications

4 Characteristics and Specifications

4.1 Absolute Maximum Ratings

GND = 0 V; all voltages with respect to ground.

Parameters

Symbol

Min

DC Power Supply

DSP Core/Memory/PLL

VD, VPLL

–0.3

Serial/Control

VL

–0.3

Input Current1

External Voltage Applied to Digital Input2

Iin

VIND

—

–0.3

Storage Temperature

Tstg

–65

1.Any pin except supplies. This value is characterized not tested.

2.The maximum over/under voltage is limited by the input current.

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

Max

1.5

4.0

10

VL * 1.2

+150

Units

V

V

mA

V

°C

4.2 Recommended Operating Conditions

GND = 0 V, all voltages with respect to ground.

DCPower Supply

Parameters

Core/Memory/PLL1

I/O interface1

Ambient Temperature

Ambient Temperature

Junction Operating Temperature

Commercial

Automotive

External Voltage Applied to Digital Input

1.VL must rise before or simultaneously with VD and VPLL.

Symbol

VD, VPLL

VL

TA

TA

TJ

VIND

Min

Max

Units

0.90

1.32

V

1.62

3.6

V

0

+70

C

–40

+105

C

–40

+110

C

–0.3

VL * 1.1

V

13

DS1057F1

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