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WM2331 Datasheet(PDF) 2 Page - Wolfson Microelectronics plc |
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WM2331 Datasheet(HTML) 2 Page - Wolfson Microelectronics plc |
2 / 25 page WM2331 Production Data WOLFSON MICROELECTRONICS LTD PD Rev 1.4 April 2001 2 PIN CONFIGURATION ORDERING INFORMATION DEVICE TEMP. RANGE PACKAGE WM2331CDT/V 0 to +70 oC 28-pin TSSOP WM2331IDT/V -40 to +85 oC 28-pin TSSOP 16 15 14 20 19 18 17 5 6 7 1 2 3 4 13 12 11 8 9 10 DIO0 OVR OEB AGND DVDD REFTS REFBS REFBF REFTF MODE VREF AIN AVDD DIO8 REFSENSE DIO2 DIO3 DIO1 DIO7 CLAMP DIO6 DIO5 CLAMPIN DIO4 21 22 23 24 25 26 27 28 DIO9 DGND WR CLK 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 |
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