AD9022AQ AD [Analog Devices], AD9022AQ Datasheet - Page 4

• Manufacturer Part Number: AD9022AQ
• Description: 12-Bit 20 MSPS Monolithic A/D Converter
• Manufacturer: AD [Analog Devices]

AD9022
EXPLANATION OF TEST LEVELS
Test Level
I
II – 100% production tested at +25 C, and sample tested at
III – Sample tested only.
IV – Parameter is guaranteed by design and characterization
V – Parameter is a typical value only.
VI – All devices are 100% production tested at +25 C. 100%
DIE LAYOUT AND MECHANICAL INFORMATION
Die Dimensions . . . . . . . . . . . . . . . . 205
Pad Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Metalization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Aluminum
Backing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . None
Substrate Potential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –V
Transistor Count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4,080
Passivation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Oxynitride
Bond Wire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Aluminum
– 100% production tested.
specified temperatures. AC testing done on sample basis.
testing.
production tested at temperature extremes for extended
temperature devices; guaranteed by design and character-
ization testing for industrial devices.
228
21 ( 1) mils
4 mils
S
–4–
Pin No.
1–3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19–25
26
27
28
Name
D3–D1
D0 (LSB)
NC
+V
GND
ENCODE
GND
+V
GND
A
–V
+V
–V
GND
COMP
D11 (MSB) Most significant bit of ADC output;
D10–D4
+V
–V
GND
IN
S
S
S
PIN FUNCTION DESCRIPTIONS
S
S
S
S
D0 (LSB)
ENCODE
NC = NO CONNECT
COMPENSATION (PIN 17) SHOULD BE
CONNECTED TO –V
GND
GND
GND
PIN DESIGNATIONS
+V
+V
+V
–V
A
NC
D3
D2
D1
IN
S
S
S
S
Should be connected to –V
Digital output bits of ADC; TTL
Function
Digital output bits of ADC; TTL
compatible.
Least significant bit of ADC output;
TTL compatible.
No Connection Internally
+5 V Power Supply
Ground
Encode clock input to ADC. Internal
T/H is placed in hold mode (ADC is
encoding) on rising edge of encode
signal.
Ground
+5 V Power Supply
Ground
Noninverting input to T/H amplifier.
–5.2 V Power Supply
+5 V Power Supply
–5.2 V Power Supply
Ground
0.1 F capacitor.
TTL compatible.
compatible.
+5 V Power Supply
–5.2 V Power Supply
Ground
10
11
12
13
14
1
2
3
4
5
6
7
8
9
(Not to Scale)
TOP VIEW
AD9022
S
THROUGH 0.01 F
28
27
26
25
24
23
22
21
20
19
18
17
16
15
GND
–V
+V
D4
D5
D6
D7
D8
D9
D10
D11(MSB)
COMP
GND
–V
S
S
S
S
through
REV. B