MCP37D31-80ESLASHTE datasheet(67/141 Pages) MICROCHIP

Part #	MCP37D31-80E/TE

Description	80 Msps, 16/14-Bit High-Pr ecision Pipelined ADC

PDF	141 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

Logo

67 / 141 page

MCP37D31-80 AND MCP37D21-80

DS20006382A-page 67

 2020 Microchip Technology Inc.

FIGURE 4-23:

Simplified Block Diagram of CW Beamforming and I/Q Signal Processing.

Half-Band Filter A

LP/HP

NCO (32-bit)

CH. 0

Channel Multiplexing/Down-Converting/Digital Beamforming/Decimation (2x)

HBFILTER_A

Decimation and Output Frequency Translation

FIR A

Decimation Filter

FIR_A<8:1>

FIR_B<7:0>

EN_DDC2

EN_DDC_FS/8

NCO (

)

EN_DDC1

fS/8

DER

EN_NCO

NCO Phase Offset Control

NCO Amplitude Dither

EN_AMPDITH

EN_PHSDITH

EN_LFSR

Sine/Cosine

Signal Generator

CH. 1

CH. 2

CH. 7

NCO_TUNE<31:0>

CH(n) NCO_PHASE<15:0>

MUX

NCO Phase Dither

ICH(n)

QCH(n)

EN_LFSR

ADC

Data:

COS

SIN

FIR B

Decimation Filter

Real

I or IDEC

Q or QDEC

RealDEC

(67)

Note 1:

Switches are closed if a decimation filter is not used, and open if a decimation filter is used.

Digital Gain and Offset adjustments are applied prior to the Digital Down-Converter and

are not shown here.

(2)

MCP37D31-80E/TE Datasheet(PDF) 67 Page - Microchip Technology

MCP37D31-80E/TE Datasheet(HTML) 67 Page - Microchip Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL