AVR-2105/885 / AVC-1890
AD1837 (IC808)
DGNDCCLKCOUTASDATAODVDDMCLKALRCLKABCLKDSDATA4DSDATA3DSDATA2DSDATA1DGND
52 51 50 49 48 47 46 45 44 43 42 41 40
DVDD139DVDD
CLATCH238DBCLK
CIN337DLRCLK
PD/RST436M/S
AGND535AGND
NC634OUTR4
OUTL17TOP VIEW33NC
NC832OUTL4
OUTR1931NC
AGND1030AGND
AVDD1129AVDD
NC1228OUTR3
OUTL21327NC
14 15 16 17 18 19 20 21 22 23 24 25 26
NCNC
FILTDFILTRAVDD
OUTR2AGNDADCLNADCLPADCRNADCRPAGNDOUTL3
DVDD DVDD ODVDD ALRCLK ABCLK ASDATA CCLK CLATCH CIN COUTMCLKPD/RST M/S AVDD AVDD
DLRCLKCONTROL PORTCLOCK
DBCLK
OUTL1
SERIAL DATAVOLUMEDSDATA1DIGITALL-
DSDATA2VOLUMEOUTR1I/O PORTFILTERDAC
DSDATA3
VOLUMEOUTL2
DSDATA4DIGITALL-
FILTERDAC
VOLUMEOUTR2
ADCLPL-DIGITALVOLUMEOUTL3DIGITALL-
ADCLNADCFILTERVOLUMEOUTR3FILTERDAC
VOLUMEOUTL4DIGITALL-
ADCRPL-DIGITALFILTERDAC
VOLUME
OUTR4
ADCRNADCFILTER
FILTD
VREFFILTRAD1837
DGND DGND AGND AGND AGND AGND
AD1837 Terminal Function
Input/
Pin No.Pin NameDescription
Output
1,39DVDDDigital Power Supply. Connect to digital 5V supply.
2CLATCHILatch Input for Control Data
33CINISerial Control Input
4PD/RSTIPower-Down/Reset
5,10,16,24,30,35AGNDAnalog Ground
6,12,25,31NCNot connected
7,13,26,32OUTLxODACx Left Channel Output
8,14,27,33NCNot connected
9,15,28,34OUTRxODACx Right Channel Output
11,19,29AVDDAnalog Power Supply. Connect to analog 5V supply.
17FILTDFilter Capacitor Connection. Recommend 10?F/100nF.
18FILTRReference Filter Capacitor Connection. Recommended 10?F/100nF.
20ADCLNIADC Left Channel Negative Input
21ADCLPIADC Left Channel Positive Input
22ADCRNIADC Right Channel Negative Input
23ADCRPIADC Right Channel Positive Input
36M/SIADC Master/Slave Select
37DLRCLKI/ODAC LR Clock
38DBCLKI/ODAC Bit Clock
40,52DGNDDigital Ground
41-44DSDATAxIDACx Input Data (Left and Right Supply)
45ABCLKI/OADC Bit Clock
46ALRCLKI/OADC LR Clock
47MCLKIMaster Clock Input
48ADVDDDigital Output Driver Power Supply
49ASDATAOADC Serial Data Output
50COUTOOutput for Control Data
51CCLKIControl Clock Input for Control Data
16 |
ACEC
