參數(shù)資料
型號(hào): AD7237AAR
廠商: ANALOG DEVICES INC
元件分類: DAC
英文描述: LC2MOS Dual 12-Bit DACPORTs
中文描述: DUAL, PARALLEL, 8 BITS INPUT LOADING, 5 us SETTLING TIME, 12-BIT DAC, PDSO24
封裝: SOIC-24
文件頁(yè)數(shù): 12/12頁(yè)
文件大?。?/td> 392K
代理商: AD7237AAR
AD7237A/AD7247A
REV. 0
–12–
C
P
Either high byte or low byte data can be written first to the in-
put latch. A write to the AD7237A DAC Latch address transfers
the data from the input latches to the respective DAC latches
and updates both analog outputs. Alternatively, the
LDAC
in-
put can be asynchronous or can be common to a number of
AD7237As for simultaneous updating of a number of voltage
channels.
AD7237A—68008 Interface
An interface between the AD7237A and the 68008 is shown in
Figure 14. In the diagram shown, the
LDAC
is derived from an
asynchronous
LDAC
signal, but this can be derived from the
address decoder as in the previous interface diagram.
Figure 14. AD7237A to 68008 Interface
AD7237A—6502/6809 Interface
Figure 15 shows an interface between the AD7237A and the
6502 or 6809 microprocessor. The procedure for writing data to
the AD7237A is as outlined for the 8085A/8088 interface. For
the 6502 microprocessor, the
f
2 clock is used to generate the
WR
, while for the 6809 the E signal is used.
Figure 15. AD7237A to 6502/6809 Interface
OUTLINE DIMENSIONS
Dimensions shown in inchcs and (mm).
Plastic DIP (N-24)
Cerdip (Q-24)
SOIC (R-24)
相關(guān)PDF資料
PDF描述
AD7237ABN 10K 10-TURN WW 1/4 DIA SHAFT
AD7237ABR LC2MOS Dual 12-Bit DACPORTs
AD7237ATQ 0.001UF(1000PF) 20% 1KV Y5V RAD
AD7247AAN BAT46W, SCHOTTKY, 100V, 0.15A
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