TLC5540

TLC5540 www.ti.com SLAS105D − JANUARY 1995 − REVISED APRIL 2004 8ĆBIT HIGHĆSPEED ANALOGĆTOĆDIGITAL CONVERTER features D 8-Bit Resolution D Differential Linearity Error − ±0.3 LSB Typ, ±1 LSB Max (25°C) − ±1 LSB Max D Integral Linearity Error − ±0.6 LSB, ±0.75 LSB Max (25°C) − ±1 LSB Max D Maximum Conversion Rate of 40 Megasamples Per Second (MSPS) Max D Internal Sample and Hold Function D 5-V Single Supply Operation D Low Power Consumption . . . 85 mW Typ D Analog Input Bandwidth . . . ≥75 MHz Typ D Internal Reference Voltage Generators applications D Quadrature Amplitude Modulation (QAM) and Quadrature Phase Shift Keying (QPSK) Demodulators D Digital Television D Charge-Coupled Device (CCD) Scanners D Video Conferencing D Digital Set-Top Box D Digital Down Converters D High-Speed Digital Signal Processor Front End description PW OR NS PACKAGE (TOP VIEW) OE DGND D1(LSB) D2 D3 D4 D5 D6 D7 D8(MSB) VDDD CLK 1 2 3 4 5 6 7 8 9 10 11 12 24 DGND 23 REFB 22 REFBS 21 AGND 20 AGND 19 ANALOG IN 18 VDDA 17 REFT 16 REFTS 15 VDDA 14 VDDA 13 VDDD AVAILABLE OPTIONS PACKAGE TA TSSOP (PW) SOP (NS) −0°C to 70°C TLC5540CPW TLC5540CNSLE −40°C to 85°C TLC5540IPW TLC5540INSLE The TLC5540 is a high-speed, 8-bit analog-to-digital converter (ADC) that converts at sampling rates up to 40 megasamples per second (MSPS). Using a semiflash architecture and CMOS process, the TLC5540 is able to convert at high speeds while still maintaining low power consumption and cost. The analog input bandwidth...