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MCP37D20-200 Schematic ( PDF Datasheet ) - Microchip Technology

Teilenummer MCP37D20-200
Beschreibung 14-Bit Low-Power Single-Channel ADC
Hersteller Microchip Technology
Logo Microchip Technology Logo 




Gesamt 30 Seiten
MCP37D20-200 Datasheet, Funktion
MCP37220-200
MCP37D20-200
200 Msps, 14-Bit Low-Power Single-Channel ADC
Features
• Sample Rates: 200 Msps
• Signal-to-Noise Ratio (SNR) with fIN = 15 MHz
and -1 dBFS:
- 67.8 dBFS (typical) at 200 Msps
• Spurious-Free Dynamic Range (SFDR) with
fIN = 15 MHz and -1 dBFS:
- 96 dBc (typical) at 200 Msps
• Power Dissipation with LVDS Digital I/O:
- 348 mW at 200 Msps
• Power Dissipation with CMOS Digital I/O:
- 306 mW at 200 Msps, output clock = 100 MHz
• Power Dissipation Excluding Digital I/O:
- 257 mW at 200 Msps
• Power-Saving Modes:
- 80 mW during Standby
- 33 mW during Shutdown
• Supply Voltage:
- Digital Section: 1.2V, 1.8V
- Analog Section: 1.2V, 1.8V
• Selectable Full-Scale Input Range: up to 1.8 VP-P
• Analog Input Bandwidth: 650 MHz
• Output Interface:
- Parallel CMOS, DDR LVDS
• Output Data Format:
- Two's complement or offset binary
• Optional Output Data Randomizer
• Digital Signal Post-Processing (DSPP) Options:
- Decimation filters for improved SNR
- Offset and Gain adjustment
- Digital Down-Conversion (DDC) with I/Q or
fS/8 output (MCP37D20-200)
• Built-In ADC Linearity Calibration Algorithms:
- Harmonic Distortion Correction (HDC)
- DAC Noise Cancellation (DNC)
- Dynamic Element Matching (DEM)
- Flash Error Calibration
• Serial Peripheral Interface (SPI)
• Package Options:
- VTLA-124 (9 mm x 9 mm x 0.9 mm)
- TFBGA-121 (8 mm x 8 mm x 1.08 mm)
• No external reference decoupling capacitor
required for TFBGA Package
• Industrial Temperature Range: -40°C to +85°C
Typical Applications
• Communication Instruments
• Microwave Digital Radio
• Cellular Base Stations
• Radar
• Scanners and Low-Power Portable Instruments
• Industrial and Consumer Data Acquisition System
Device Offering(1)
Part Number
Sample Rate
Resolution
Digital Decimation
(FIR Filters)
Digital
Down-Conversion
Noise-Shaping
Requantizer
MCP37220-200
200 Msps
14
Yes
No
No
MCP37D20-200
200 Msps
14
Yes
Yes
No
MCP37210-200
200 Msps
12
Yes
No Yes
MCP37D10-200
200 Msps
12
Yes
Yes Yes
1: For TFBGA package, contact Microchip Technology Inc. for availability. Devices in the same package type
are pin-compatible.
2015 Microchip Technology Inc.
DS20005396A-page 1






MCP37D20-200 Datasheet, Funktion
MCP37220-200 AND MCP37D20-200
TABLE 1-1:
Pin Function Table for VTLA-124
Pin No.
Name
I/O Type
Description
Power Supply Pins
A2, A22, A65, B1,
B52
AVDD18
Supply Supply voltage input (1.8V) for analog section
A12, A56, A60,
A63, B10, B11,
B12, B13, B15,
B16, B45, B49,
B53
AVDD12
Supply voltage input (1.2V) for analog section
A25, A30, B39
A41, B24, B27,
B31, B36, B43
DVDD12
DVDD18
Supply voltage input (1.2V) for digital section
Supply voltage input (1.8V) for digital section and all digital I/O
EP GND
Exposed pad: Common ground pin for digital and analog sections
ADC Analog Input Pins
B54
AIN+
Analog Differential analog input (+)
A64
AIN-
Input
Differential analog input (-)
A21 CLK+
Differential clock input (+)
B17
Reference Pins (1)
CLK-
Differential clock input (-)
A57, B46
A58, B47
REF+
REF-
Analog
Output
Differential reference voltage (+)
Differential reference voltage (-)
SENSE, Bandgap and Common-Mode Voltage Pins
B48 SENSE Analog Input Analog input full-scale range selection. See Table 4-2 for SENSE
voltage settings.
A59 VBG Analog Internal bandgap output voltage.
Output Connect a decoupling capacitor (2.2 µF)
A55 VCM
Common-mode output voltage for analog input signal.
Connect a decoupling capacitor (0.1 µF)(2)
Digital I/O Pins
B18
A23
B19
ADR0
SLAVE
SYNC
Digital Input
Digital
Input/Output
SPI address selection pin (A0 bit). Tie to GND or DVDD18(3)
Not used. Tie to GND(9)
Not used. Leave this pin floating(9)
B21 RESET Digital Input Reset control input:
High: Normal operating mode
Low: Reset mode(4)
A26 CAL Digital Output Calibration status flag digital output:
High: Calibration is complete
Low: Calibration is not complete(5)
B22 DCLK+
LVDS: Differential digital clock output (+)
CMOS: Digital clock output(6)
A27 DCLK-
LVDS: Differential digital clock output (-)
CMOS: Unused (leave floating)
DS20005396A-page 6
2015 Microchip Technology Inc.

6 Page









MCP37D20-200 pdf, datenblatt
MCP37220-200 AND MCP37D20-200
TABLE 1-2: PIN FUNCTION TABLE FOR TFBGA-121 (CONTINUED)
Ball No.
G1
Name
Q6/Q3-
G2 Q7/Q3+
G3
G4
G5
G6
G7
G8
G9
G10
G11
H1
DVDD18
GND
AVDD12
GND
Q4/Q2-
H2 Q5/Q2+
H3 DVDD12
H4
H5 GND
H6
H7
H8
H9
H10
H11
J1 Q2/Q1-
J2 Q3/Q1+
J3 DVDD12
J4
J5 GND
J6
J7
J8
J9
J10
I/O Type
Digital
Output
Supply
Description
Digital data output(3)
CMOS = Q6
DDR LVDS = Q3-
Digital data output(3)
CMOS = Q7
DDR LVDS = Q3+
Supply voltage input (1.8V) for digital section.
All digital input pins are driven by the same DVDD18 potential
Common ground for analog and digital sections
Supply Supply voltage input (1.2V) for analog section
Common ground for analog and digital sections
Digital
Output
Supply
Digital data output(3)
CMOS = Q4
DDR LVDS = Q2-
Digital data output(3)
CMOS = Q5
DDR LVDS = Q2+
Supply voltage input (1.2V) for digital section
Common ground for analog and digital sections
Digital
Output
Supply
Digital data output(3)
CMOS = Q2
DDR LVDS = Q1-
Digital data output(3)
CMOS = Q3
DDR LVDS = Q1+
DC supply voltage input pin for digital section (1.2V)
Common ground for analog and digital sections
J11
DS20005396A-page 12
2015 Microchip Technology Inc.

12 Page





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