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TDA8790 数据表(PDF) 2 Page - NXP Semiconductors |
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TDA8790 数据表(HTML) 2 Page - NXP Semiconductors |
2 / 20 page 1996 Feb 21 2 Philips Semiconductors Product specification 8-bit, 40 Msps 2.7 to 5.5 V universal analog-to-digital converter TDA8790 FEATURES • 8-bit resolution • Operation between 2.7 and 5.5 V • Sampling rate up to 40 MHz • DC sampling allowed • High signal-to-noise ratio over a large analog input frequency range (7.3 effective bits at 4.43 MHz full-scale input at fclk = 40 MHz) • CMOS/TTL compatible digital inputs and outputs • External reference voltage regulator • Power dissipation only 30 mW (typical) • Low analog input capacitance, no buffer amplifier required • Sleep mode (4 mW) • No sample-and-hold circuit required. APPLICATIONS High-speed analog-to-digital conversion for: • Video data digitizing • Camera • Camcorder • Radio communication. GENERAL DESCRIPTION The TDA8790 is an 8-bit universal analog-to-digital converter (ADC) for video and general purpose applications. It converts the analog input signal from 2.7 to 5.5 V into 8-bit binary-coded digital words at a maximum sampling rate of 40 MHz. All digital inputs and outputs are CMOS/TTL compatible. A sleep mode allows reduction of the device power consumption down to 4 mW. QUICK REFERENCE DATA ORDERING INFORMATION SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT VDDA analog supply voltage 2.7 3.3 5.5 V VDDD digital supply voltage 2.7 3.3 5.5 V VDDO output stages supply voltage 2.5 3.3 5.5 V ∆V DD supply voltage difference VDDA − VDDD −0.2 − +0.2 V VDDD − VDDO −0.2 − +2.25 V IDDA analog supply current − 46mA IDDD digital supply current − 58mA IDDO output stages supply current fclk = 40 MHz; CL = 20 pF; ramp input − 12mA INL integral non-linearity fclk = 40 MHz; ramp input −±0.5 ±0.75 LSB DNL differential non-linearity fclk = 40 MHz; ramp input −±0.25 ±0.5 LSB fclk(max) maximum clock frequency 40 −− MHz Ptot total power dissipation VDDA =VDDD =VDDO = 3.3 V − 30 53 mW TYPE NUMBER PACKAGE NAME DESCRIPTION VERSION TDA8790M SSOP20 plastic shrink small outline package; 20 leads; body width 4.4 mm SOT266-1 |
类似零件编号 - TDA8790 |
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类似说明 - TDA8790 |
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