CDB4812 datasheet(5/36 Pages) CIRRUS

Numer części	CDB4812

Szczegółowy opis	Fixed Function Multi-Effects Audio Processor

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Producent	CIRRUS [Cirrus Logic]

Strona internetowa	http://www.cirrus.com

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CS4812

DS291PP3

5

DAC CHARACTERISTICS (T

A = 25°C; VA, VD = + 5V; -1 dB Full Scale Output Sine wave,

997 Hz; Fs = 48 kHz; XTI = 12.288 MHz (PLL disabled). Measurement Bandwidth is 20 Hz to 20 kHz.)

Notes: 7. Measured with DAC calibration disabled.

8. Measured with XTI clock disabled.

Parameters

Symbol

Min

Typ

Max

Units

Analog Output Characteristics - Minimum Attenuation, 10 k

Ω, 100 pF load; unless otherwise specified.

DAC Resolution

16

-

24

Bits

Dynamic Range

(DAC not muted, A weighted)

95

100

-

dB

Total Harmonic Distortion + Noise

THD+N

-

-90

-85

dB

Interchannel Isolation

-

90

-

dB

Interchannel Gain Mismatch

-

0.1

-

dB

Offset Voltage (differential)

(Note 7)

-

-20 ± 5

-

mV

Offset Voltage (V+/V- relative to CMOUT)

(Note 7)

-

-45/-25

-

mV

Full Scale Output Voltage

(Differential)

1.9

2.0

2.1

Vrms

Gain Drift

(Note 2)

-

100

-

ppm/°C

Out of Band Energy

(Fs/2 to 2Fs, Note 2)

-

-60

-

dBFS

Analog Output Load

Resistance

Capacitance

10

-

100

k

Ω

pF

Group Delay (Fs = Input Sample Rate)

tgd

-16/Fs

-

s

Analog Loopback Performance

Signal-to-Noise Ratio (CCIR-2K weighted, -20 dB input)

CCIR-2K

-

74

-

dB

Power Supply

Power Supply Current

Operating

Power Down

(Note 8)

-

200

1

-

mA

Power Supply Rejection

(1 kHz, 10 mVrms, Note 2)

-

50

-

dB

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