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RHF1401_12 Datasheet, PDF (9/42 Pages) STMicroelectronics – Rad-hard 14-bit 30 Msps A/D converter
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RHF1401
Description
1.3
Pin descriptions
Table 2. Pin descriptions
Pin Name
Description
Observations Pin Name
Description
Observations
1
GNDBI Digital buffer ground
0V
25
2
GNDBE Digital buffer ground
0V
26
3
VCCBE
Digital buffer power
supply
2.5 V/3.3 V
27
4
NC
Not connected to the
dice
28
5
NC
Not connected to the
dice
29
6
OR
Out of range output
CMOS output
(2.5 V/3.3 V)
30
7
D13(MSB)
Most significant bit
output
CMOS output
(2.5 V/3.3 V)
31
8
D12
Digital output
CMOS output
(2.5 V/3.3 V)
32
9
D11
Digital output
CMOS output
(2.5 V/3.3 V)
33
10
D10
Digital output
CMOS output
(2.5 V/3.3 V)
34
11
D9
Digital output
CMOS output
(2.5 V/3.3 V)
35
12
D8
Digital output
CMOS output
(2.5 V/3.3 V)
36
13
D7
Digital output
CMOS output
(2.5 V/3.3 V)
37
14
D6
Digital output
CMOS output
(2.5 V/3.3 V)
38
15
D5
Digital output
CMOS output
(2.5 V/3.3 V)
39
16
D4
Digital output
CMOS output
(2.5 V/3.3 V)
40
17
D3
Digital output
CMOS output
(2.5V /3.3 V)
41
18
D2
Digital output
CMOS output
(2.5 V/3.3 V)
42
19
D1
Digital output
CMOS output
(2.5 V/3.3 V)
43
20 D0(LSB) Digital output LSB
CMOS output
(2.5 V/3.3 V)
44
21
DR
Data ready output(1)
CMOS output
(2.5 V/3.3 V)
45
22
VCCBE
Digital buffer power
supply
2.5 V/3.3 V
46
23 GNDBE Digital buffer ground
0V
47
24
VCCBI
Digital buffer power
supply
2.5 V
48
1. See load considerations in Section 2.2: Timing characteristics.
REFMODE Ref. mode control input
2.5 V/3.3 V CMOS
input
OEB Output enable input
2.5 V/3.3 V CMOS
input
DFSB
Data format select input
2.5 V/3.3 V CMOS
input
AVCC Analog power supply
2.5 V
AVCC Analog power supply
2.5 V
AGND Analog ground
0V
IPOL Analog bias current input
VREFP Top voltage reference
Can be external or
internal
VREFM Bottom voltage reference 0 V
AGND Analog ground
0V
VIN
Analog input
AGND Analog ground
1 Vpp
0V
VINB Inverted analog input
AGND Analog ground
INCM Input common mode
AGND Analog ground
1 Vpp
0V
Can be external or
internal
0V
AVCC Analog power supply
2.5 V
AVCC Analog power supply
2.5 V
DVCC Digital power supply
2.5 V
DVCC Digital power supply
2.5 V
DGND Digital ground
CLK
Clock input
DGND Digital ground
DGND Digital ground
0V
2.5 V compatible
CMOS input
0V
0V
Doc ID 13317 Rev 8
9/42
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