AD7225KR Analog Devices Inc, AD7225KR Datasheet - Page 19

• Manufacturer Part Number: AD7225KR
• Description: IC DAC 8BIT QUAD W/AMP 24-SOIC
• Manufacturer: Analog Devices Inc

Specifications of AD7225KR

• Rohs Status: RoHS non-compliant
• Settling Time: 4µs
• Number Of Bits: 8
• Number Of Converters: 4
• Voltage Supply Source: Dual ±
• Power Dissipation (max): 500mW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-SOIC (7.5mm Width)
• Data Interface: -

MICROPROCESSER INTERFACE
Figure 25. AD7225-to-8085A/8088 Interface, Double-Buffered Mode
Figure 27. AD7225-to-6809/6502 Interface, Single-Buffered Mode
8085A/
E OR Φ2
6809/
8088
6502
ALE
AD7
AD0
A15
R/W
A15
WR
A8
A0
D7
D0
EN
EN
ADDRESS
*LINEAR CIRCUITRY OMITTED FOR CLARITY.
LATCH
*LINEAR CIRCUITRY OMITTED FOR CLARITY.
DECODE
ADDRESS DATA BUS
ADDRESS
DECODE
ADDRESS BUS
DATA BUS
ADDRESS BUS
A0
A1
LDAC
WR
DB7
DB0
A0
A1
LDAC
WR
DB7
DB0
AD7225*
AD7225*
Rev. C | Page 19 of 24
Figure 28. AD7225-to-68008 Interface, Single-Buffered Mode
Figure 26. AD7225-to-Z-80 Interface, Double-Buffered Mode
68008
Z-80
DTACK
MREQ
R/W
A15
A23
WR
A1
AS
D7
D0
A8
D7
D0
*LINEAR CIRCUITRY OMITTED FOR CLARITY.
*LINEAR CIRCUITRY OMITTED FOR CLARITY.
EN
ADDRESS
DECODE
EN
ADDRESS
DECODE
DATA BUS
ADDRESS BUS
DATA BUS
ADDRESS BUS
A0
A1
WR
LDAC
DB7
DB0
A0
A1
LDAC
WR
DB7
DB0
AD7225*
AD7225*
AD7225