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鍨嬭櫉锛� AD977AAR
寤犲晢锛� Analog Devices Inc
鏂囦欢闋佹暩(sh霉)锛� 19/24闋�
鏂囦欢澶�?銆�?/td> 0K
鎻忚堪锛� IC ADC 16BIT 200KSPS 20-SOIC
妯欐簴鍖呰锛� 1
浣嶆暩(sh霉)锛� 16
閲囨ǎ鐜囷紙姣忕锛夛細 200k
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杞夋彌鍣ㄦ暩(sh霉)鐩細 1
鍔熺巼鑰楁暎锛堟渶澶э級锛� 100mW
闆诲闆绘簮锛� 妯℃摤鍜屾暩(sh霉)瀛�
宸ヤ綔婧害锛� -40°C ~ 85°C
瀹夎椤炲瀷锛� 琛ㄩ潰璨艰
灏佽/澶栨锛� 20-SOIC锛�0.295"锛�7.50mm 瀵級
渚涙噳鍟嗚ō鍌欏皝瑁濓細 20-SOIC W
鍖呰锛� 绠′欢
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閰嶇敤锛� EVAL-AD977CB-ND - BOARD EVAL FOR AD977
EVAL-AD977ACB-ND - BOARD EVAL FOR AD977A
鈥�4鈥�
REV. D
AD977/AD977A鈥揝PECIFICATIONS (Both Specs)
A, B, C Grades
Parameter
Conditions
Min
Typ
Max
Unit
DIGITAL INPUTS
Logic Levels
VIL
鈥�0.3
+0.8
V
VIH
2.0
VDIG + 0.3
V
IIL
卤10
A
IIH
卤10
A
DIGITAL OUTPUTS
Data Format
Serial 16-Bits
Data Coding
Binary Two鈥檚 Complement or Straight Binary
Pipeline Delay
Conversion Results Only Available after Completed Conversion
V
OL
I
SINK = 1.6 mA
0.4
V
OH
I
SOURCE = 500
A4
V
POWER SUPPLIES
Specified Performance
V
DIG
4.75
5
5.25
V
ANA
4.75
5
5.25
V
I
DIG
4mA
I
ANA
11
mA
Power Dissipation
PWRD LOW
100
mW
PWRD HIGH
50
W
TEMPERATURE RANGE
Specified Performance
T
MIN to TMAX
鈥�40
+85
掳C
Specifications subject to change without notice.
TIMING SPECIFICATIONS
AD977A
AD977
Symbol
Min
Typ
Max
Min
Typ
Max
Unit
Convert Pulsewidth
t1
50
ns
R/
C, CS to BUSY Delay
t2
83
ns
BUSY LOW Time
t3
4.0
8.0
s
BUSY Delay after End of Conversion
t4
50
ns
Aperture Delay
t5
40
ns
Conversion Time
t6
3.8
4.0
7.6
8.0
s
Acquisition Time
t7
1.0
2.0
s
Throughput Time
t6 + t7
510
s
R/
C Low to DATACLK Delay
t8
220
350
ns
DATACLK Period
t9
220
450
ns
DATA Valid Setup Time
t10
50
100
ns
DATA Valid Hold Time
t11
20
ns
EXT. DATACLK Period
t12
66
100
ns
EXT. DATACLK HIGH
t13
20
ns
EXT. DATACLK LOW
t14
30
ns
R/
C, CS to EXT. DATACLK Setup Time
t15
20
t12 + 5
20
t12 + 5
ns
R/
C to CS Setup Time
t16
10
ns
EXT. DATACLK to SYNC Delay
t17
15
66
15
66
ns
EXT. DATACLK to DATA Valid Delay
t18
25
66
25
66
ns
CS to EXT. DATACLK Rising Edge Delay
t19
10
ns
Previous DATA Valid after
CS, R/C Low
t20
3.5
7.5
s
BUSY to EXT. DATACLK Setup Time
t21
55
ns
Final EXT. DATACLK to
BUSY Rising Edge
t22
1.7
3.5
s
TAG Valid Setup Time
t23
00
ns
TAG Valid Hold Time
t24
20
ns
Specifications subject to change without notice.
(AD977A: FS = 200 kHz, AD977: FS = 100 kHz, VDIG = VANA = 5 V, 鈥�40 C to +85 C)
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