CS4327 데이터 시트보기 (PDF) - Cirrus Logic

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CS4327

Low Cost, 20-Bit, Stereo, Audio D/A Converter

Cirrus Logic 

CS4327

ANALOG CHARACTERISTICS (Continued)

Parameter

dc Accuracy

Interchannel Gain Mismatch

Gain Error

Gain Drift

Analog Output

Full Scale Output Voltage

Load Resistance

Load Capacitance

Output Common Mode Voltage

Symbol Min

Typ

Max Unit

-

0.1

-

dB

-

±2

±5

%

-

200

-

ppm/°C

0.95

1.0

1.05 Vrms

6

-

-

kΩ

-

-

100

pF

-

2.3

-

V

POWER AND THERMAL CHARACTERISTICS (TA = 25 °C; Internal SCLK; Full-Scale Output

Sine wave, 997 Hz; 12.288 MHz MCLK; Fs = 48 kHz; Input Data = 20 Bits; SCLK = 3.072 MHz; RL = 10 kΩ;

VD+ = VD+ = 5 V; Logic 1 = VD+, Logic 0 = DGND; Measurement Bandwidth is 10 Hz to 20 kHz, unweighted,

unless otherwise specified.)

Parameter

Symbol

Min

Typ

Max Unit

Power Supply Current

Normal Operation IA+

-

ID+

-

(IA+) + (ID+) -

Power Down (IA+) + (ID+) -

25

-

mA

12

-

mA

37

43

mA

300

-

µA

Power Dissipation

Normal Operation

Power-down

-

185

215 mW

-

1.5

-

mW

Power Supply Rejection Ratio (1 kHz)

PSRR

-

60

-

dB

Allowable Junction Temperature

-

-

135 °C

Junction to Ambient Thermal Impedance

ΘJA

-

120

-

°C/W

DS190F1

3

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