CS6422-ISZ datasheet(7/48 Pages) CIRRUS

部件名	CS6422-ISZ

功能描述	Enhanced Full-Duplex Speakerphone IC

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制造商	CIRRUS [Cirrus Logic]

网页	http://www.cirrus.com

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CS6422

7

ANALOG TRANSMISSION CHARACTERISTICS (T

A = -40°C to 85

oC, DVDD = AVDD = 5 V,

f XTAL =20.480 MHz, RVol=TVol=RGain=TGain= 0 dB, HDD=TSD=RSD=1, analog inputs and outputs loaded with

resistors and capacitors as shown in the typical connection diagram, Figure 4)

MICROPHONE AMPLIFIER (T

A = 25°C, DVDD = AVDD = 5 V, fXTAL = 20.480 MHz)

DIGITAL CHARACTERISTICS (T

A = 25°C, DVDD = AVDD = 5 V,fXTAL = 20.480 MHz)

Parameter

Symbol

Min

Typ

Max

Units

Idle Channel Noise

C-Message weighted (0-4 kHz)

(Inputs grounded

C-Message weighted (0-4 kHz)

through a capacitor)

Psophometrically weighted (0-4 kHz)

-80

11

-78

-72

dBV

dBrnC0

dBm0p

Signal-to-Noise Ratio

C-Message weighted (0-4 kHz)

(1.0 Vrms, 1 kHz sine wave input)

SNR

72

80

dB

Total Harmonic Distortion

C-Message weighted (0-4 kHz)

(1.0 Vrms, 1 kHz sine wave input)

THD

0.030

0.1

%

Programmable Analog Gain

RGain/TGain = 00

RGain/TGain = 01

RGain/TGain = 10

RGain/TGain = 11

0

6

9.5

12

dB

Volume Control Stepsize (TVol/RVol)

3

dB

ADC Full-scale Voltage Input

0.9

1.0

Vrms

DAC Full-scale Voltage Output

1.0

1.2

Vrms

ADC Noise Floor

C-Message weighted (0-4 kHz)

-83

dBV

DAC Noise Floor, DAC muted C-Message weighted (0-4 kHz)

-83

dBV

Parameter

Symbol

Min

Typ

Max

Units

Gain (Zsource = 50Ω)Amic

34

dB

Signal-to-Noise Ratio

C-Message weighted (0-4 kHz)

SNRm

70

dB

Input Impedance

Zinm

8k

Ω

Input Offset Voltage

Voffm

2.12

V

Parameter

Symbol

Min

Typ

Max

Units

High-Level Input Voltage

VIH

DVDD-1.0

V

Low-Level Input Voltage

VIL

1.0

V

Input Leakage Current

Ileak

10

µA

Input Capacitance

CIN

5pF

CS6422

DS295F1

7

类似零件编号 - CS6422-ISZ

制造商	部件名	数据表	功能描述
Cirrus Logic	CS6420	815Kb / 52P	FULL DUPLEX SPEAKERPHONE CHIP
Cirrus Logic	CS6420-CS	815Kb / 52P	FULL DUPLEX SPEAKERPHONE CHIP

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类似说明 - CS6422-ISZ

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