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SPT7921 数据表(PDF) 11 Page - Cadeka Microcircuits LLC.

部件名 SPT7921
功能描述  12-BIT, 20 MSPS, TTL, A/D CONVERTER
PDF  11 Pages
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制造商  CADEKA [Cadeka Microcircuits LLC.]
网页  http://www.cadeka.com
标志 CADEKA - Cadeka Microcircuits LLC.

SPT7921 数据表(HTML) 11 Page - Cadeka Microcircuits LLC.

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3/10/97
SPT7921
PIN ASSIGNMENTS
PIN FUNCTIONS
Name
Function
DGND
Digital Ground
AGND
Analog Ground
D0-D11
TTL Outputs (D0=LSB)
D12
TTL Output Overrange
CLK
Clock Input
VEE
-5.2 V Supply
VCC
+5.0 V supply
VRT1-VRT3
Voltage Reference Taps
VIN
Analog Input
DVCC
Digital +5.0 V Supply (TTL Outputs)
VFT
Force for Top of Reference Ladder
VST
Sense for Top of Reference Ladder
VFB
Force for Bottom of Reference Ladder
VSB
Sense for Bottom of Reference Ladder
17
CLK
21
V
FT
20
V
CC
18
V
EE
25
V
RT2
24
V
IN
27
V
SB
26
V
RT1
22
V
ST
AGND
30
V
EE
31
32
28
V
FB
29
V
CC
DVCC
DGND
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
DGND
D12
DVCC
1
2
3
4
5
6
7
8
9
10
11
12
15
14
16
13
D11
23
V
RT3
19
AGND
ORDERING INFORMATION
PART NUMBER
TEMPERATURE RANGE
PACKAGE
SPT7921SCJ
0 to +70
°C
32L Sidebrazed Dip
SPT7921SCQ
0 to +70
°C
44L Cerquad
N/C
VFB
VSB
VRT1
VRT2
VIN
VRT3
VST
VFT
N/C
VCC
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
N/C
1
2
3
4
5
6
7
8
9
10
11
33
32
31
30
29
28
27
26
25
24
23
32L Sidebrazed
44L Cerquad



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