MCP37231-200 반도체 회로 부품 판매점
16-/14-Bit Low-Power ADC
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 Microchip |
MCP37231/21-200
MCP37D31/21-200
200 Msps, 16-/14-Bit Low-Power ADC with 8-Channel MUX
Features
• Sample Rates:
- 200 Msps for single-channel mode
- 200 Msps/number of channels used
• SNR with fIN = 15 MHz and -1 dBFS:
- 74.7 dBFS (typical) at 200 Msps
• SFDR with fIN = 15 MHz and -1 dBFS:
- 90 dBc (typical) at 200 Msps
• Power Dissipation with LVDS Digital I/O:
- 490 mW at 200 Msps
• Power Dissipation with CMOS Digital I/O:
- 436 mW at 200 Msps, Output Clock = 100 MHz
• Power Dissipation Excluding Digital I/O:
- 390 mW at 200 Msps
• Power-Saving Modes:
- 144 mW during Standby
- 28 mW during Shutdown
• Supply Voltage:
- Digital Section: 1.2V, 1.8V
- Analog Section: 1.2V, 1.8V
• Selectable Full-Scale Input Range: up to 2.975 VP-P
• Input Channel Bandwidth: 500 MHz
• Channel-to-Channel Crosstalk in Multi-Channel
Mode (Input = 15 MHz, -1 dBFS): >95 dB
• Output Data Format:
- Parallel CMOS, DDR LVDS
- Serialized DDR LVDS (16-bit, octal-channel mode)
• Optional Output Data Randomizer
• Serial Peripheral Interface (SPI)
• Digital Signal Post-Processing (DSPP) Options:
- Decimation filters for improved SNR
- Fractional Delay Recovery (FDR) for time-
delay corrections in multi-channel operations
(dual-/octal-channel modes)
- Phase, Offset and Gain adjust of individual
channels
- Digital Down-Conversion (DDC) with I/Q or
fS/8 output (MCP37D31/21-200)
- Continuous wave beamforming for octal-
channel mode (MCP37D31/21-200)
• Built-In ADC Linearity Calibration Algorithms:
- Harmonic Distortion Correction (HDC)
- DAC Noise Cancellation (DNC)
- Dynamic Element Matching (DEM)
- Flash Error Calibration
• AutoSync Mode to Synchronize Multiple Devices
to the Same Clock
• 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
• Cellular Base Stations
• Radar
• Ultrasound and Sonar Imaging
• Scanners and Low-Power Portable Instruments
• Industrial and Consumer Data Acquisition System
MCP372XX/MCP37DXX Family Comparison(1):
Part Number
Sample Rate
Resolution
Digital
Digital
CW
Decimation(2) Down-Conversion(3) Beamforming(4)
Noise-Shaping
Requantizer(2)
MCP37231-200 200 Msps
16
Yes
No
No
MCP37221-200 200 Msps
14
Yes
No
No
MCP37211-200 200 Msps
12
Yes
No
No
MCP37D31-200 200 Msps
16
Yes
Yes
Yes
MCP37D21-200 200 Msps
14
Yes
Yes
Yes
MCP37D11-200 200 Msps
12
Yes
Yes
Yes
Note 1:
2:
3:
4:
Devices in the same package type are pin-to-pin compatible.
Available in single- and dual-channel mode.
Available in single- and dual-channel mode, and octal-channel mode when CW beamforming is enabled.
Available in octal-channel mode.
No
No
Yes
No
No
Yes
2014-2016 Microchip Technology Inc.
DS20005322D-page 1
MCP37231/21-200 AND MCP37D31/21-200
Functional Block Diagram
AVDD12
AVDD18
GND
DVDD12
DVDD18
CLK+
CLK-
Clock
Selection
Duty Cycle
Correction
DLL
PLL
AIN0+
AIN0-
AIN7+
AIN7-
VCM
SENSE
VBG
Output Clock Control
Pipelined
ADC
Digital Signal Post-Processing:
- FDR, Decimation
- Phase/Offset/Gain Adj.
- DDC, CW Beamforming
(MCP37D31/21-200)
VREF+
VREF-
Reference
Generator
Output Control:
- CMOS, DDR LVDS
- Serialized LVDS
Internal Registers
DCLK+
DCLK-
WCK
OVR
Q[15:0]
SLAVE
REF1+ REF1- REF0+ REF0- SDIO SCLK CS SYNC
DS20005322D-page 2
2014-2016 Microchip Technology Inc.
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MCP37231-200 data
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