HI5714 데이터 시트보기 (PDF) - Renesas Electronics
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HI5714 Datasheet PDF : 14 Pages
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HI5714
Pin Descriptions
PIN NUMBER
1, 2, 12-15,
23, 24
4
6
7
8
9
11
SYMBOL
D0 to D7
VRB
AGND
VCCA
VIN
VRT
O/UF
16
17
18
19, 21
20
22
CLK
DGND
VCCD
VCCO1, VCCO2
OGND
OE
DESCRIPTION
Digital Outputs, D0 (LSB) to D7 (MSB).
Bottom Reference Voltage Input. Range: 1.2V to 1.6V.
Analog Ground.
Analog +5V.
Analog Input.
Top Reference Voltage Input. Range: 3.5V to 3.9V.
Underflow/Overflow Digital Output. Goes high if the analog input goes above or below the
reference (VRB, VRT) minus the offset.
Clock Input.
Digital GND.
Digital +5V.
Digital +5V for Digital Output Stage.
Digital Ground for Digital Output Stage.
Output Enable
High: Digital outputs are three-stated.
Low: Digital outputs are active.
TABLE 1. A/D CODE TABLE
CODE
DESCRIPTION
(NOTE 1)
INPUT VOLTAGE
VRT = 3.6V
VRB = 1.3V
O/UF
BINARY OUTPUT CODE
D7 D6 D5 D4 D3 D2 D1 D0
Underflow
<1.555V
1
0
0
0
0
0
0
0
0
0
1.555V
0
0
0
0
0
0
0
0
0
1
-
0
-
-
-
-
-
-
-
-
-
-
0
-
-
-
-
-
-
-
-
-
-
0
-
-
-
-
-
-
-
-
254
-
0
1
1
1
1
1
1
1
0
255
3.300V
0
1
1
1
1
1
1
1
1
Overflow
>3.300V
1
1
1
1
1
1
1
1
1
NOTE:
10. The voltages listed above represent the ideal transition of each output code shown as a function of the reference voltage, including the typical
reference offset voltages.
TABLE 2. MODE SELECTION
OE
D7 to D0
O/UF
1
High Impedance
High Impedance
0
Active: Binary
Active
FN3973 Rev 6.00
July 2004
Page 8 of 14
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