CS4297A-JQZ 参数 Datasheet PDF下载

CS4297A

CS4297A

1. CHARACTERISTICS AND SPECIFICATIONS

ANALOG CHARACTERISTICS

Standard test conditions unless otherwise noted: T

ambient

= 25° C,

AVdd = 5.0 V ±5%, DVdd = 3.3 V ±5%; 1 kHz Input Sine wave; Sample Frequency, Fs = 48 kHz; Z

AL

=100 kΩ/

1000 pF load, C

DL

= 18 pF load (Note 1); Measurement bandwidth is 20 Hz - 20 kHz, 18-bit linear coding for ADC

functions, 20-bit linear coding for DAC functions; Mixer registers set for unity gain.

CS4297A-KQZ

Parameter

Symbol Path

(Note 2)

(Note 3)

Full Scale Input Voltage

A-D

Line Inputs

A-D

Mic Inputs

A-D

Mic Inputs

(20 dB internal gain)

Full Scale Output Voltage

Line,Alternate Line, and Mono Outputs

D-A

FR

Frequency Response

(Note 4)

A-A

Analog

Ac = ± 0.25 dB

D-A

DAC

Ac = ± 0.25 dB

A-D

ADC

Ac = ± 0.25 dB

DR

Dynamic Range

A-A

Stereo Analog inputs to LINE_OUT

A-A

Mono Analog inputs to LINE_OUT

D-A

DAC Dynamic Range

A-D

ADC Dynamic Range

DAC SNR (-20 dB FS input w/

SNR

CCIR-RMS filter on output)

D-A

THD+N

Total Harmonic Distortion + Noise

(-3 dB FS input signal):

A-A

Line/Alternate Line Output

D-A

DAC

A-D

ADC

(all inputs except phone/mic)

A-D

ADC

(phone/mic)

Power Supply Rejection Ratio

(1 kHz, 0.5 V

RMS

w/ 5 V DC offset)(Note 4)

Interchannel Isolation

Spurious Tone

Input Impedance

External Load Impedance

Output Impedance

Input Capacitance

Vrefout

(Note 4)

(Note 4)

(Note 4)

(Note 4)

Min

Typ

Max

Min

CS4297A-JQZ

Typ

Max

Unit

0.91 1.00

0.91 1.00

0.091 0.10

0.91

20

20

20

90

85

85

85

-

1.0

-

-

-

95

90

90

90

70

-

-

-

1.13

20,000

20,000

20,000

-

-

-

-

-

0.91 1.00

0.91 1.00

0.091 0.10

0.91

20

20

20

-

-

-

-

-

1.0

-

-

-

90

85

87

85

-

-

-

-

1.13

20,000

20,000

20,000

-

-

-

-

-

V

RMS

V

RMS

V

RMS

V

RMS

Hz

Hz

Hz

dB FS A

dB FS A

dB FS A

dB FS A

dB

-

-

-

-

40

70

-

10

10

-

-

2.0

-90

-91

-88

-84

60

88

-100

-

-

730

5

2.28

-80

-80

-80

-74

-

-

-

-

-

-

-

2.5

-

-

-

-

-

-

-

10

10

-

-

2.0

-

-

-

-

40

88

-100

-

-

730

5

2.28

-74

-74

-74

-74

-

-

-

-

-

-

-

2.5

dB FS

dB FS

dB FS

dB FS

dB

dB

dB FS

kΩ

kΩ

Ω

pF

V

Notes: 1. Z

AL

refers to the analog output pin loading and C

DL

refers to the digital output pin loading.

2. Parameter definitions are given in the Section 10,

3. Path refers to the signal path used to generate this data. These paths are defined in the Section 10,

4. This specification is guaranteed by silicon characterization, it is not production tested.

DS318PP6

5

5