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参数资料
| 型号： | HI3256 |
| 厂商： | Intersil Corporation |
| 英文描述： | 8-Bit, 120MSPS, Flash A/D Converter(8位、120MSPS 闪存A/D转换器) |
| 中文描述： | 8位，120MSPS，闪光的A / D转换器（8位，120MSPS闪存的A / D转换器） |
| 文件页数： | 8/15页 |
| 文件大小： | 175K |
| 代理商： | HI3256 |
3-8
45
SELECT1
V
CC
or Ground
Data Output Mode Selection. (See
Table 2; Operating Mode Table).
11
V
RT
I
4.0V (Typ)
Top Reference Voltage. Bypass to
AGND with a 1
μ
F tantal capacitor
and a 0.1
μ
F chip capacitor.
9
V
RM3
V
RB
+
(V
RT
- V
RB
)
ReferenceVoltageMidPoint.Bypass
to AGND with a 0.1
μ
F chip capacitor.
7
V
RM2
V
RB
+
(V
RT
- V
RB
)
ReferenceVoltageMidPoint.Bypass
to AGND with a 0.1
μ
F chip capacitor.
4
V
RM1
V
RB
+
(V
RT
- V
RB
)
ReferenceVoltageMidPoint.Bypass
to AGND with a 0.1
μ
F chip capacitor.
2
V
RB
I
2.0V (Typ)
Bottom Reference Voltage. Bypass
to AGND with a 1
μ
F tantal capacitor
and a 0.1
μ
F chip capacitor.
6
V
IN
I
V
RT
to V
RB
Analog Input.
33 to
40
PBD0 to
PBD7
O
TTL
Port 1 Side Data Output.
21 to
28
PAD0 to
PAD7
O
Port 2 Side Data Output.
43
CLKOUT
O
Clock Output. (See Table 2;
Operating Mode Table).
Pin Descriptions
(Continued)
PIN
NO
SYMBOL
I/O
TYPICAL
VOLTAGE LEVEL
EQUIVALENT CIRCUIT
DESCRIPTION
45
DV
CC1
DGND1
DV
EE3
11
9
7
4
2
R2
R/2
R
R
R
R
R
R
R/2
R1
COMPARATOR 1
COMPARATOR 63
COMPARATOR 64
COMPARATOR 127
COMPARATOR 128
COMPARATOR 191
COMPARATOR 192
COMPARATOR 255
3
4
--
2
4
--
1
4
--
6
AV
CC
DV
EE3
COMPARATOR
AV
CC
AGND
V
REF
21
33
43
40
28
DV
CC2
TO
TO
DGND2
DV
EE3
DGND1
DV
CC1
HI3256
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