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AD9020TZ View Datasheet(PDF) - Analog Devices

Part NameDescriptionManufacturer
AD9020TZ 10-Bit 60 MSPS A/D Converter ADI
Analog Devices ADI
AD9020TZ Datasheet PDF : 12 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
AD9020
NC
+VSENSE
+VREF
GND
ENCODE
+VS
–VS
GND
+VS
(LSB) D0
D1
D2
D3
D4
NC
+VS
NC
9
10
26
27
AD9020
TOP VIEW
(Not to Scale)
61
60
44
43
NC
LSBs INVERT
NC
–VSENSE
–VREF
+VS
–VS
GND
+VS
OVERFLOW
D9 (MSB)
D8
D7
D6
D5
+VS
NC
NC = NO CONNECT
Pin No.
1
2, 16, 28, 29, 35, 41, 42,
54, 64
3, 6, 15, 18, 25, 30, 33, 34,
37, 40, 45, 52, 55, 65, 68
4, 5, 13, 17, 27, 31, 32,
36, 38, 39, 43, 53, 66, 67
7
8, 9
11
12
14
19–23, 46–50
51
56
57
59
61
63
Name
1/2REF
–VS
AD9020 PIN FUNCTION DESCRIPTIONS
Function
Midpoint of internal reference ladder.
Negative supply voltage; nominally –5.0 V ± 5%.
+VS
Positive supply voltage; nominally +5 V ± 5%.
GROUND
3/4REF
ANALOG IN
+VSENSE
+VREF
ENCODE
D0–D9
OVERFLOW
–VREF
–VSENSE
LSBs INVERT
MSB INVERT
1/4REF
All ground pins should be connected together and to low impedance ground
plane.
Three-quarter point of internal reference ladder.
Analog input; nominally between ± 1.75 V.
Voltage sense line to most positive point on internal resistor ladder.
Normally +1.75 V.
Voltage force connection for top of internal reference ladder. Normally driven
to provide +1.75 V at +VSENSE.
TTL-compatible convert command used to begin digitizing process.
TTL-compatible digital output data.
TTL-compatible output indicating ANALOG IN > +VSENSE.
Voltage force connection for bottom of internal reference ladder. Normally
driven to provide –1.75 V at –VSENSE.
Voltage sense line to most negative point on internal resistor ladder.
Normally –1.75 V.
Normally grounded. When connected to +VS, lower order bits (D0–D8) are
inverted.
Normally grounded. When connected to +VS, most significant bit (MSB; D9)
is inverted.
One-quarter point of internal reference ladder.
REV. A
–5–
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