UPC659A Datasheet | NEC

FEATURES - Resolution - Conversion rate - Power supply - Analog input voltage - Power consumption - Built-in circuit : 8-bit : 20 Msps : +5 V : 1.0 Vp-p : 215 m W TYP. : Sample and hold circuit Clamp circuit (Clamp voltage and clamp pulse must be supplied.) Reference voltage generator (VRB = 2.3 V, VRT = 3.3 V TYP.) - Differential non-linearity : ± 0.5 LSB MAX. ORDERING INFORMATION Part Number Package 24-pin plastic SOP (300 mil) µPC659AGS The information in this document is subject to change without notice. Document No. S10990EJ4V0DS00 (4th edition) Date Published July 1997 N Printed in Japan The mark shows major revised points. © 1992, 1996 µPC659A BLOCK DIAGRAM VCL 7 3 Flash A/D convertor 5 5 Adder Latch 23 OVER 22 DB1 VIN 4 Clamp S/H 5 PCL 6 Sample and Hold Flash A/D convertor D/A + - 21 DB2 20 DB3 17 DB4 16 DB5 15 DB6 14 DB7 13 DB8 24 CLK 8 AVCC 1 VRT 10 VRB 5 AGND 18 DVCC 19 DGND Timing Generator µPC659A PIN CONFIGURATION (Top View) VRT NC AVCC VIN AGND PCL VCL AVCC AGND VRB AVCC AGND 1 2 3 4 24 23 22 21 CLK OVER DB1 DB2 DB3 DGND DVCC DB4 DB5 DB6 DB7 DB8 µPC659AGS 5 6 7 8 9 10 11 12 20 19 18 17 16 15 14 13 AGND AVCC CLK DB8 to DB1 DGND DVCC NC OVER PCL VCL VIN VRB VRT : Ground for Analog Circuit : Power Supply for Analog Circuit : Clock : Digital Data Bus : Ground for Digital Circuit : Power Supply for Digital Circuit : No Connection : Digital Over Range : Clamp Pulse : Clamp Voltage : Analog Signal : Reference Voltage (Bottom) : Reference Voltage (Top) µPC659A PIN FUNCTIONS Pin Name VRT 1 Pin No. Input/ Output Input Function Reference voltage (Top) Equivalent Circuit VRB 10 Input Reference voltage (Bottom) AVCC 1.41 kΩ 800 Ω 1.91 kΩ AGND VRB...