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ML6401

Micro Linear
Part Number ML6401
Manufacturer Micro Linear
Description 8-Bit 20 MSPS A/D Converter
Published May 7, 2005
Detailed Description March 1997 ML6401* 8-Bit 20 MSPS A/D Converter GENERAL DESCRIPTION The ML6401 is a single-chip 8-bit 20 MSPS BiCMOS Vid...
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ML6401
ML6401

Overview
March 1997 ML6401* 8-Bit 20 MSPS A/D Converter GENERAL DESCRIPTION The ML6401 is a single-chip 8-bit 20 MSPS BiCMOS Video A/D Converter IC, incorporating a differential input track and hold, clock generation circuitry, and reference voltage.
The input track and hold consists of a low (4pF) capacitance input and a fast settling operational amplifier.
The A/D conversion is accomplished through a pipeline approach, reducing the number of required comparators and latches.
The non-over-lapping clocks required for this architecture are all internally generated.
Clock generation circuitry requires only one 50% duty cycle clock input.
The use of error correction throughout the A/D converter improves DNL.
All bias voltages and currents required by the A/D converter are internally generated.
The digital outputs are three-stateable.
FEATURES s 5.
0V ± 10% single supply operation s Internal reference voltage s Power dissipation less than 200mW typical s Replaces TMC1175MC20 and AD775JR, functionally compatible to Sony CXD1175AM/AP s 16-pin reduced pin count packages available: ML6401CS-3 s Low input capacitance track and hold: 4pF s Onboard non-overlapping clock generation to minimize external components s Three-state outputs and no missing codes s 150MHz input track and hold BLOCK DIAGRAM/TYPICAL APPLICATION 5V VIDEO INPUT + 47µF VIN– 0.
1µF 1kΩ 1kΩ SUB DAC AMP 10µF + ADC 2 VIN+ 150MHz T&H ADC 1 *Some Packages Are End Of Life VDDA VDDA VDDA VDDD VDDD OE D7 D6 D5 75Ω SUB DAC AMP ADC 3 DIGITAL ERROR CORRECTION D4 D3 VIN-BIAS 1.
5V VREFOUT VREFIN INTERNAL 1.
0V REFERENCES CLOCK GENERATOR D0 D2 D1 GNDA GNDA CLK GNDD GNDO 20MHz 1 ML6401 PIN CONFIGURATION ML6401-1 24-Pin SOIC (S24W) OE GNDO D0 D1 D2 D3 D4 D5 D6 D7 VDDO CLK 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 ML6401-3 16-Pin SOIC (S16N) GNDD VIN– VIN–BIAS GNDA GNDA VIN+ VDDA VREFIN VREFOUT VDDA VDDA VDDD TOP VIEW D0 D1 D2 D3 D4 D5 D6 D7 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 OE GNDD GND...


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