AD1928 データシートの表示（PDF） - Analog Devices

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AD1928

2 ADC/8 DAC with PLL, 192 kHz, 24-Bit Codec

Analog Devices 

AD1928

Parameter

Interchannel Isolation

Interchannel Phase Deviation

Volume Control Step

Volume Control Range

De-emphasis Gain Error

Output Resistance at Each Pin

REFERENCE

Internal Reference Voltage

External Reference Voltage

Common-Mode Reference Output

Conditions

FILTR pin

FILTR pin

CM pin

Specifications measured at a case temperature of 130°C.

Table 2.

Parameter

ANALOG-TO-DIGITAL CONVERTERS

ADC Resolution

Dynamic Range

No Filter (RMS)

With A-Weighted Filter (RMS)

Total Harmonic Distortion + Noise

Full-Scale Input Voltage (Differential)

Gain Error

Interchannel Gain Mismatch

Offset Error

DIGITAL-TO-ANALOG CONVERTERS

Dynamic Range

No Filter (RMS)

With A-Weighted Filter (RMS)

With A-Weighted Filter (Average)

Total Harmonic Distortion + Noise

Single-Ended Version

Full-Scale Output Voltage

Gain Error

Interchannel Gain Mismatch

Offset Error

Gain Drift

REFERENCE

Internal Reference Voltage

External Reference Voltage

Common-Mode Reference Output

Conditions

All ADCs

20 Hz to 20 kHz, −60 dB input

−1 dBFS

20 Hz to 20 kHz, −60 dB input

0 dBFS

Two channels running

Eight channels running

FILTR pin

FILTR pin

CM pin

Min Typ

100

0

0.375

95

100

1.50

1.32 1.50

1.50

Max Unit

dB

Degrees

dB

dB

±0.6 dB

Ω

V

1.68 V

V

Min Typ

24

95

102

97

105

−96

1.9

−10

−0.25

−10 0

Max Unit

Bits

−87

+10

+0.25

+10

dB

dB

dB

V rms

%

dB

mV

98

104

dB

100

106

dB

108

dB

−92

dB

−86

−70 dB

0.8775 (2.482)

V rms (V p-p)

−10

+10 %

−0.2

+0.2 dB

−25 −4

+25 mV

−30

+30 ppm/°C

1.50

1.32 1.50

1.50

V

1.68 V

V

Rev. 0 | Page 4 of 32

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