參數(shù)資料
型號(hào): AD9283BRS-100
廠商: ANALOG DEVICES INC
元件分類: ADC
英文描述: 8-Bit, 50 MSPS/80 MSPS/100 MSPS 3 V A/D Converter
中文描述: 1-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO20
封裝: PLASTIC, SSOP-20
文件頁(yè)數(shù): 4/12頁(yè)
文件大?。?/td> 155K
代理商: AD9283BRS-100
AD9283
–4–
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.
III Sample tested only.
IV
Parameter is guaranteed by design and characterization
testing.
V
Parameter is a typical value only.
VI
100% production tested at +25
°
C; guaranteed by design
and characterization testing for industrial temperature
range; 100% production tested at temperature extremes for
military devices.
PIN CONFIGURATION
TOP VIEW
(Not to Scale)
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
AD9283
ENCODE
GND
V
D
VREF OUT
VREF IN
GND
A
IN
V
D
D7 (MSB)
D6
D5
D1
D2
D3
D4
V
DD
GND
PWRDWN
D0 (LSB)
A
IN
PIN FUNCTION DESCRIPTIONS
Pin Number
Name
Function
1
PWRDWN
Power-down function select; Logic HIGH for power-down mode (digital outputs go to
high impedance state).
Internal Reference Output (+1.25 V typ); Bypass with 0.1
μ
F to Ground.
Reference Input for ADC (+1.25 V typ).
Ground.
Analog +3 V Power Supply.
Analog Input for ADC (Can be left open if operating in single-ended mode, but recom-
mend connection to a 0.1
μ
F capacitor and a 25
resistor in series to ground for better
input matching).
Analog Input for ADC
Encode Clock for ADC (ADC samples on rising edge of ENCODE).
Digital Outputs of ADC.
Digital output power supply. Nominally +2.5 V to +3.6 V.
2
3
4, 9, 16
5, 8
6
VREF OUT
VREF IN
GND
V
D
A
IN
7
10
11–14, 17–20
15
A
IN
ENCODE
D7–D4, D3–D0
V
DD
Table I. Output Coding (VREF = +1.25 V)
Step
A
IN
–A
IN
Digital Output
255
128
127
0
0.512
0.002
–0.002
–0.512
1111 1111
1000 0000
0111 1111
0000 0000
相關(guān)PDF資料
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