WM2331CDT/V データシートの表示（PDF） - Wolfson Microelectronics plc
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WM2331CDT/V Datasheet PDF : 25 Pages
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WM2331
PIN CONFIGURATION
AGND
1
DVDD
2
DIO0
3
DIO1
4
DIO2
5
DIO3
6
DIO4
7
DIO5
8
DIO6
9
DIO7
10
DIO8
11
DIO9
12
OVR
13
DGND
14
28
AVDD
27
AIN
26
VREF
25
REFBS
24
REFBF
23
MODE
22
REFTF
21
REFTS
20
CLAMPIN
19
CLAMP
18
REFSENSE
17
WR
16
OEB
15
CLK
Production Data
ORDERING INFORMATION
DEVICE
WM2331CDT/V
WM2331IDT/V
TEMP. RANGE
0 to +70oC
-40 to +85oC
PACKAGE
28-pin TSSOP
28-pin TSSOP
PIN DESCRIPTION
PIN
NAME
TYPE
DESCRIPTION
1
AGND
Ground
Negative Analogue Supply
2
DVDD
Supply
Positive Digital Supply
3
DIO0
Digital Input/Output Digital input/output bit 0 (LSB)
4
DIO1
Digital Input/Output Digital input/output bit 1
5
DIO2
Digital Input/Output Digital input/output bit 2
6
DIO3
Digital Input/Output Digital input/output bit 3
7
DIO4
Digital Input/Output Digital input/output bit 4
8
DIO5
Digital Input/Output Digital input/output bit 5
9
DIO6
Digital Input/Output Digital input/output bit 6
10
DIO7
Digital Input/Output Digital input/output bit 7
11
DIO8
Digital Input/Output Digital input/output bit 8
12
DIO9
Digital Input/Output Digital input/output bit 9 (MSB)
13
OVR
Digital Output
Overrange output (tri-state)
14
DGND
Ground
Negative Digital Supply
15
CLK
Analogue Input
Clock input
16
OEB
Digital Input
Output enable bar – low to enable DIO[9:0] and OVR
17
WR
Digital Input
Write strobe
18
REFSENSE
Analogue Input
VREF mode control
19
CLAMP
Digital Input
Clamp control – high to enable clamp amplifier
20
CLAMPIN
Analogue Input
Clamp reference input
21
REFTS
Analogue Input/Output Top reference sense
22
REFTF
Analogue Input/Output Top reference force
23
MODE
Analogue Input
Input mode select
24
REFBF
Analogue Input/Output Bottom reference force
25
REFBS
Analogue Input/Output Bottom reference sense
26
VREF
Analogue Input/Output Reference voltage
27
AIN
Analogue Input
Analog Input
28
AVDD
Supply
Positive Analogue Supply
WOLFSON MICROELECTRONICS LTD
PD Rev 1.4 April 2001
2
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