ADC08R04 +4.5V to +5.5V, 8-Bit 100 MSPS Flash ADC DAC/ADC AMI 0.6 micron CMOS Features General Description • The converter has been realized as a single 8-Bit Flash ADC. • The converter is operated by one single power supply. • Guaranteed monotonic by design. • Large voltage reference range. • Small layout area (2750 mil2). • Speeds greater than 100 MSPS are possible with increased bias current. The ADC08R04 is a single, 8-bit, fully decoded, flash ADC. The part operates from a single +4.5 V to +5.5 V supply. The converter is capable of word rates of 100 MSPS. The maximum clock rate is 100 MHz. Applications • Measurement circuits • High-speed data conversion • High-speed LAN/WAN • Image processing Functional Block Diagram Product Highlights VREF • Single supply operation. This converter operates from a single +4.5 V to +5.5 V supply. • Small layout area. • No trimming required or additional support circuitry. Input Out [7:0] Clk Notes: AVDD (power) AVSS (ground) IBIAS (bias current input) VREF (reference voltage input) VIN (analog input) CLK (clock input) D[7:0] (digital output) 1 ADC08R04 +4.5V to +5.5V, 8-Bit 100 MSPS Flash ADC DAC/ADC AMI 0.6 micron CMOS Electrical Characteristics PARAMETER TEMP MIN RESOLUTION DC ACCURACY Differential Linearity Integral Linearity No Missing Codes MAX 8 Full Guaranteed 24.0 +25°C +25°C 30.0 100.0 TBD TBD TBD UNITS Bits +/- 0.5 +/- 1.0 +25°C +25°C ANALOG INPUT Input Bias Current Input Resistance Input Capacitance Large Signal Bandwidth Input Slew Rate REFERENCE INPUT Reference Ladder Resistance Reference Input Bandwidth TYP LSB LSB LSB 36.0 uA meg Ohm pF Hz V/ms 5.0 TBD k Ohm MHz 8 Bits DYNAMIC PERFORMANCE AC LINEARITY Effective Number of Bits (ENOB) Conversion Rate Output Delay Output Rise Time Output Fall Time 100 10 +25°C +25°C Signal-to-Noise and Distortion Ratio (S/N+D) fIN = X.X MHz fIN = X.X MHz fIN = X.X MHz Total Harmonic Distortion (THD) fIN = X.X MHz fIN = X.X MHz fIN = X.X MHz Spurious Free Dynamic Range POWER SUPPLY Operating Voltage VDD 4.5 VREF Operating Current IDD POWER CONSUMPTION Operating Mode 2 TBD TBD MSPS ns ns ns TBD TBD TBD dB dB dB TBD TBD TBD TBD dB dB dB dB 5 5.5 Volts 2.0 5.0 V 25.6 41.6 mA 210 mW ADC08R04 +4.5V to +5.5V, 8-Bit 100 MSPS Flash ADC DAC/ADC AMI 0.6 micron CMOS Absolute Maximum Ratings PARAMETERS Supply Voltage VDD -0.3 to 6.0 V Analog Input Voltage 5.5 V Reference Input Voltage 5.5 V TBD mA -55 to 125 °C Digital Output Current Storage Temperature Range 3 ADC08R04 +4.5V to +5.5V, 8-Bit 100 MSPS Flash ADC DAC/ADC AMI 0.6 micron CMOS Copyright®1998, American Microsystems, Inc. Devices sold by AMI are covered by the warranty and patent indemnification provisions appearing in its Terms of Sale only. AMI makes no warranty, express, statutory implied or by description, regarding the information set forth herein or regarding the freedom of the described devices from patent infringement. AMI makes no warranty of merchantability or fitness for any purposes. AMI reserves the right to discontinue production and change specifications and prices at any time and without notice. AMI's products are intended for use in commercial applications. Applications requiring extended temperature range, unusual environmental requirements, or high reliability applications, such as military, medical life-support or life-sustaining equipment, are specifically not recommended without additional processing by AMI for such applications. American Microsystems, Inc., 2300 Buckskin Rd., Pocatello, ID 83201, (208) 233-4690, FAX (208) 234-6796 1-800-639-7264, www.amis.com ADC04R04 GA98098PM8/98 4