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AD9022AQ Datasheet(数据表) 4 Page - Analog Devices

部件型号  AD9022AQ
说明  12-Bit 20 MSPS Monolithic A/D Converter
下载  12 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 

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




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