CS47048 datasheet(24/34 Pages) CIRRUS

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CS47048 Data Sheet

Audio SOC Processor Family

DS787A7

5.16 ADC Characteristics

5.16.1 Analog Input Characteristics (Commercial)

(Test Conditions (unless otherwise specified): TA = 0 to +70°C; VDD = 1.8 V±5%, VDDA (VA)= 3.3 V±5%; 1 kHz

sine wave driven through the passive input filter (Ri=10kΩ) in Figure 11 on page 26 or Figure 12 on page 26; DSP

running test application; Measurement Bandwidth is 10 Hz to 20 kHz.)

Differential

Single-Ended

Parameter

Min

Typ

Max

Min

Typ

Max

Unit

Fs= 96 kHz, 192 kHz

Dynamic Range1,6,7

A-weighted

unweighted

40 kHz bandwidth unweighted

105

102

Total Harmonic Distortion + Noise6,7 -1 dB

-20 dB

-60 dB

40 kHz bandwidth

-1 dB

-98

-82

-42

-90

-92

-95

-79

-39

-90

-89

AIN_1A/B Interchannel Isolation

AIN_[2..6]A/B MUX Interchannel Isolation

DC Accuracy

Interchannel Gain Mismatch

0.1

Gain Drift

±120

ppm/°C

Analog Input

Full-Scale Input Voltage2,3

3.3•VA

3.5•VA

3.7•VA

1.65•VA 1.75•VA 1.85•VA

VPP

Differential Input Impedance4

400

Single-Ended Input Impedance5

200

Common Mode Rejection Ratio (CMRR)8

-60

Parasitic Load Capacitance (CL)

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