Cirrus-logic CS5373A Manuel d'utilisateur télécharger pdf (Page 36)

CS5373A

36 DS703F2

11. PIN DESCRIPTION

821

12 17

14 15

Positive Capacitor Output CAP+

Negative Capacitor Output CAP-

Positive Buffered Output BUF+

Negative Buffered Output BUF-

Positive High Precision Output OUT+

Negative High Precision Output OUT-

Positive Analog Power Supply VA+

Negative Analog Power Supply VA-

Negative Voltage Reference VREF-

Positive Voltage Reference VREF+

Positive Analog Rough Input INR+

Positive Analog Fine Input INF+

Negative Analog Fine Input INF-

Negative Analog Rough Input INR-

GND System Ground

MODE0 Mode Select

MODE1 Mode Select

MODE2 Mode Select

ATT0 Attenuation Range Select

ATT1 Attenuation Range Select

ATT2 Attenuation Range Select

TDATA Test Bit Stream Input

VD Positive Digital Power Supply

GND System Ground

MCLK Master Clock Input

MSYNC Master Sync Input

MDATA Modulator Data Output

MFLAG Modulator Over-range Indicator

Name

Pin # I/O

Pin Description

CAP+,

CAP-

Capacitor connection for internal anti-alias filter.

BUF+,

BUF-

Buffered differential analog output.

OUT+,

OUT-

Precision differential analog output.

VA+,

VA-

Analog power supply. Refer to the Specified Operating Conditions.

VREF-,

VREF+

I Voltage reference input. Refer to the Specified Operating Conditions.

INR+,

INF+

I Analog differential rough and fine + inputs. From the + half of the differential anti-alias fil-

ter.

INF-,

INR-,

I Analog differential rough and fine - inputs. From the - half of the differential anti-alias filter.

MFLAG

15 O

Amplitude overload indicator flag.

MDATA

16 O

Oversampled ΔΣ bit stream conversion output.

MSYNC

17 I

Master sync input. Low to high transition resets the internal clock phasing.

MCLK

I Master clock input. CMOS compatible clock input.

GND

System ground.

Digital power supply. Refer to the Specified Operating Conditions.

TDATA

21 I

Test Bit Stream input from digital filter TBS generator.

1 2 ... 31 32 33 34 35 36 37 38 39 40

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Cirrus-logic CS5373A Manuel d'utilisateur Page 36

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