參數(shù)資料
型號(hào): AD977
廠商: Analog Devices, Inc.
英文描述: 16-Bit, 100 kSPS BiCMOS A/D Converter(100kSPS 16位A/D轉(zhuǎn)換器)
中文描述: 16位,100 kSPS的BiCMOS工藝的A / D轉(zhuǎn)換器(100ksps的16位的A / D轉(zhuǎn)換器)
文件頁數(shù): 4/24頁
文件大?。?/td> 287K
代理商: AD977
–4–
REV. A
AD977/AD977A–SPECIFICATIONS
(Both Specs)
A, B, C Grades
Min
Parameter
Conditions
Typ
Max
Units
DIGITAL INPUTS
Logic Levels
V
IL
V
IH
I
IL
I
IH
DIGITAL OUTPUTS
Data Format
Data Coding
Pipeline Delay
V
OL
V
OH
–0.3
+2.0
+0.8
V
DIG
+ 0.3
±
10
±
10
V
V
μ
A
μ
A
Serial 16-Bits
Binary Twos Complement or Straight Binary
Conversion Results Only Available after Completed Conversion
I
SINK
= 1.6 mA
I
SOURCE
= 500
μ
A
+0.4
V
V
+4
POWER SUPPLIES
Specified Performance
V
DIG
V
ANA
I
DIG
I
ANA
Power Dissipation
PWRD LOW
PWRD HIGH
4.75
4.75
5
5
4
11
5.25
5.25
V
V
mA
mA
100
mW
μ
W
50
TEMPERATURE RANGE
Specified Performance
T
MIN
to T
MAX
–40
+85
°
C
Specifications subject to change without notice.
TIMING SPECIFICATIONS
AD977A
Typ
AD977
Typ
Symbol
Min
Max
Min
Max
Units
Convert Pulsewidth
R/
,
CS
to
BUSY
Delay
BUSY
LOW Time
BUSY
Delay after End of Conversion
Aperture Delay
Conversion Time
Acquisition Time
Throughput Time
R/
C
Low to DATACLK Delay
DATACLK Period
DATA Valid Setup Time
DATA Valid Hold Time
EXT. DATACLK Period
EXT. DATACLK HIGH
EXT. DATACLK LOW
R/
C
,
CS
to EXT. DATACLK Setup Time
R/
C
to
CS
Setup Time
EXT. DATACLK to SYNC Delay
EXT. DATACLK to DATA Valid Delay
CS
to EXT. DATACLK Rising Edge Delay
Previous DATA Valid after
CS
, R/
C
Low
BUSY
to EXT. DATACLK Setup Time
Final EXT. DATACLK to
BUSY
Rising Edge
TAG Valid Setup Time
TAG Valid Hold Time
t
1
t
2
t
3
t
4
t
5
t
6
t
7
t
6
+ t
7
t
8
t
9
t
10
t
11
t
12
t
13
t
14
t
15
t
16
t
17
t
18
t
19
t
20
t
21
t
22
t
23
t
24
50
50
ns
ns
μ
s
ns
ns
μ
s
μ
s
μ
s
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
μ
s
ns
μ
s
ns
ns
83
4.0
83
8.0
50
40
3.8
50
40
7.6
4.0
8.0
1.0
2.0
5
10
220
220
350
450
50
20
66
20
30
20
10
15
25
10
3.5
5
100
20
100
20
30
20
10
15
25
10
7.5
5
t
12
+5
t
12
+5
66
66
66
66
1.7
3.5
0
20
0
20
Specifications subject to change without notice.
(AD977A: F
S
= 200 kHz, AD977: F
S
= 100 kHz, V
DIG
= V
ANA
= +5 V, –40
8
C to +85
8
C)
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