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ADS8504IBDWRG4 View Datasheet(PDF) - Burr-Brown -> Texas Instruments

Part NameDescriptionManufacturer
ADS8504IBDWRG4 12-BIT 250-KSPS SAMPLING CMOS ANALOG-TO-DIGITAL CONVERTER BB
Burr-Brown -> Texas Instruments BB
ADS8504IBDWRG4 Datasheet PDF : 19 Pages
First Prev 11 12 13 14 15 16 17 18 19
www.ti.com
ADS8504
SLAS434 – JUNE 2005
Bit 11 (MSB) 6
Bit 10 7
Bit 9 8
Bit 8 9
Bit 7 10
Bit 6 11
Bit 5 12
Bit 4 13
14
BYTE LOW
23
ADS8504
22 Low
21 Low
20 Low
19 Low
18 Bit 0 (LSB)
17 Bit 1
16 Bit 2
15 Bit 3
Bit 3 6
Bit 2 7
Bit 1 8
Bit 0 9
Low 10
Low 11
Low 12
Low 13
14
BYTE HIGH
23
+5 V
ADS8504
22 Bit 4
21 Bit 5
20 Bit 6
19 Bit 7
18 Bit 8
17 Bit 9
16 Bit 10
15 Bit 11 (MSB)
Figure 18. Bit Locations Relative to State of BYTE (Pin 23)
R/C
BUSY
MODE
tpd
td2
Acquire
tw1
tc
ta1
tw2
Convert
td1
Acquire
Convert
tconv
tacq
DATA BUS
Previous
Data Valid
tdis
Hi−Z
Previous
Data Valid
tv
Not Valid
td3
Data Valid
Hi−Z
Data Valid
Figure 19. Conversion Timing with Outputs Enabled after Conversion (CS Tied Low)
tsu
tsu
tsu
tsu
R/C
CS
BUSY
tw1
tpd
tw2
td2
MODE Acquire
Convert
tconv
Acquire
DATA BUS
Hi−Z State
Data Valid Hi−Z State
ten
tdis
Figure 20. Using CS to Control Conversion and Read Timing
11
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