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AD9012TD View Datasheet(PDF) - Analog Devices

Part NameDescriptionManufacturer
AD9012TD High Speed 8-Bit TTL A/D Converter ADI
Analog Devices ADI
AD9012TD Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
ANALOG
INPUT
ENCODE
OUTPUT
DATA
N
APERTURE
DELAY
N+1
t PD
N–1
N
Figure 2. Timing Diagram
N+2
N+1
؉5.0V
ENCODE
ANALOG
INPUT
؉VREF
R
؉5.0V
R/2
REFMID
R/2
؊5.2V
R
256 COMPARATOR
CELLS
؊VREF
Figure 3. Input Output Circuits
AD9012
DIGITAL
OUTPUTS
DIE LAYOUT AND MECHANICAL INFORMATION
Die Dimensions . . . . . 111 mils × 123 mils × 15 mils (± 2) mils
Pad Dimensions . . . . . . . . . . . . . . . . . . . . . . . . 4 mils × 4 mils
Metallization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gold
Backing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . None
Substrate Potential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –VS
Passivation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Nitride
Die Attach . . . . . . . . . . . . . . . . . . . . Gold Eutectic (Ceramic)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Epoxy (Plastic)
Bond Wire . . . . . . . . 1 mil to 1.3 mil Gold; Gold Ball Bonding
–5.2V
0.1F
+5.0V
0.1F
ONE JUMPER
PER BOARD
AD1
100
AD2
–2.0V
510
–VS
+VS
OVERFLOW
AIN
D8 (MSB)
AD9012 D7
D6
ENCODE
D5
–VREF
D4
VH
+VREF
D3
D2
DD11((LLSSBB))
DIGITAL
GROUND
ANALOG
GROUND
1k
1k
1k
1k
1k
1k
1k
1k
1k
LOAD
RESISTORS
ALL RESISTORS ؎5%
ALL CAPACITORS ؎20%
ALL SUPPLY VOLTAGES ؎5%
OPTION #1 (STATIC) AD1 = –2.0V; AD2 = +2.4V
OPTION #2 (DYNAMIC) SEE WAVEFORMS
AD1
AD2
640s
5s
0V
–2V
+2.4V
+0.4V
Figure 4. Burn-In Diagram
REV. F
–5–
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