參數(shù)資料
型號(hào): AD7339
廠商: Analog Devices, Inc.
英文描述: 5 V Integrated High Speed ADC/Quad DAC System(高速8位A/D轉(zhuǎn)換器/四路8位D/A轉(zhuǎn)換器)
中文描述: 5伏集成高速ADC /四路DAC系統(tǒng)(高速8位的A / D轉(zhuǎn)換器/四路8位的D / A轉(zhuǎn)換器)
文件頁(yè)數(shù): 4/12頁(yè)
文件大?。?/td> 170K
代理商: AD7339
AD7339
–4–
REV. 0
TIMING CHARACTERISTICS
Limit at
T
A
= –40
8
C to +85
8
C
Parameter
Units
Description
ADC
t
1
t
2
t
3
t
4
t
5
PARALLEL DACS
t
6
t
7
t
8
t
9
t
10
t
11
t
12
SERIAL DACS
t
13
t
14
t
15
t
16
t
17
t
18
t
19
See Figure 3.
ADCCLK Period
ADCCLK Width Low
ADCCLK Width High
Data Valid After Falling Edge of ADCCLK
Data Valid Before Subsequent Falling Edge of ADCCLK
See Figure 4.
DACCLK Period
DACCLK Width Low
DACCLK Width High
Data Setup Before DACCLK Rising Edge Time
Data Hold After DACCLK Rising Edge Time
Propagation Delay
Settling Time (from 10% to 90%)
See Figure 5.
SCLK Period
SCLK Width Low
SCLK Width High
Data Setup Before SCLK Rising Edge
Latch Enable Setup Time After SCLK Falling Edge
LATCH Pulsewidth
Conversion Delay
480
210
210
100
200
ns min
ns min
ns min
ns min
ns min
430
200
200
130
50
150
250
ns min
ns min
ns min
ns min
ns min
ns max
ns max
3.9
1.94
1.94
950
950
480
100
μ
s min
μ
s min
μ
s min
ns min
ns min
ns min
μ
s max
(AVDD = +5 V
6
10%; AGND = DGND = 0 V; T
A
= T
MlN
to T
MAX
, unless otherwise noted)
+2.1V
2mA
C
L
15pF
I
OH
TO
OUTPUT
PIN
I
OL
1mA
Figure 2. Load Circuit for Timing Specifications
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