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ADV7120 used in Commodore and Amiga equipment

IC number
ADV7120
IC function
Triple 8-bit video DAC
Related components
ADV101, VP101, STV8438 (video DACs), MS176, SAB82C171, ADV476, BT458 (RAMDACs), LM385B (Voltage reference)

Component documentation
IC numberManufacturerDocumentation
ADV7120Analog DevicesWeb page, Datasheet (PDF)

Component versions
IC numberPackageSpeedCBM part numberCBM part description
ADV7120KP3044-pin PLCC30 MHz391494-01IC, Video DAC, Triple 8-bit, ADV7120, PLCC 44

Positions
DevicePositionPackageSpeed
A4000U460PLCC30 MHz

Pinout
PinTypeNameSignal name
A4000
1..6InputR2..R7LRGB18..LRGB23
7..14InputG0..G7LRGB8..LRGB15
15InputBLANK_Connected to BLANK of Lisa via R506
16InputSYNC_Connected to pin 2 of J502
17PowerVAA+AVID
18..25InputB0..B7LRGB0..LRGB7
26InputREF WHITEGND
27InputCLOCKC28P
28..32PowerGNDGND
33OutputIOBABLUE
34..36PowerVAA+AVID
37OutputISYNCConnected to pin 2 of J500
38OutputIOGAGREEN
39OutputIORARED
40AnalogCOMP+AVID via C460C and C460D
41PowerVREFConnected to the LM385
42AnalogFS AJUSTGND via R509
43..44InputR0..R1LRGB16..LRGB17

Copyright © 2003-2006 Ronald van Dijk - All rights reserved
Last update: 29 March 2006