HI1172

HI1172 August 1997 6-Bit, 20 MSPS, Video A/D Converter (CMOS) Description HI1172 is a 6-bit, CMOS A/D converter for video use. The adoption of a 2-step parallel conversion achieves speeds of 20 MSPS minimum, 35 MSPS typical. Features Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-Bit Maximum Sampling Frequency . . . . . . . . . . . 20 MSPS Low Power Consumption at 20 MSPS (Typ) (Reference Current Excluded) . . . . . . . . . . . . . . .40mW Built-In Sample and Hold Circuit Three-State TTL Compatible Output Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . 5V Single Low Input Capacitance . . . . . . . . . . . . . . . . . . . . . . . 4pF Reference Impedance . . . . . . . . . . . . . . . . . . 250Ω (Typ) Ordering Information PART NUMBER HI1172JCP HI1172JCB TEMP. RANGE (oC) -20 to 75 -20 to 75 PACKAGE 16 Ld PDIP 16 Ld SOIC PKG. NO. E16.3A-S M16.2-S Applications Video Digitizing Wireless Communications Pinout www.DataSheet4U.com HI1172 (PDIP, SOIC) TOP VIEW D0 1 D1 2 D2 3 D3 4 D4 5 D5 6 CLK 7 DVSS 8 16 AVSS 15 DVDD 14 AVDD 13 VRB 12 VIN 11 VRT 10 AVDD 9 DVDD CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Copyright © Intersil Corporation 1999 File Number 4102.1 4-1062 HI1172 Functional Block Diagram REFERENCE VOLTAGE D0 D1 D2 1 2 3 16 AVSS LOWER DATA LATCHES 15 DVDD 14 AVDD 13 VRB LOWER ENCODER (3-BIT) LOWER COMPAR...