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參數(shù)資料
| 型號： | SPT8000SIT |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | ADC |
| 英文描述： | 1-CH 14-BIT FLASH METHOD ADC, PARALLEL ACCESS, PQFP44 |
| 封裝： | PLASTIC, TQFP-44 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 130K |
| 代理商： | SPT8000SIT |
SPT8000
14-BIT, 20 MSPS, CMOS A/D CONVERTER
PRELIMINARY INFORMATION
OCTOBER 12, 2001
FEATURES
14-bit, 20 MSPS CMOS analog-to-digital converter
Excellent performance:
DLE: ±0.5 LSB, ILE: ±1.2 LSB
12.1 Effective Number of Bits @ IN = 5 MHz
SFDR = 87 dB @ IN = 5 MHz
Internal sample-and-hold and voltage reference
Power dissipation: 725 mW at 20 MSPS
+5 V analog supply and +3.3/5 V digital output supply
Out-of-range indicator
44-lead TQFP plastic package
–40 °C to +85 °C temperature range
APPLICATIONS
Wireless communications
IR imaging
Scanners and digital copiers
High-end CCD cameras
Medical imaging
Automatic test equipment
Data acquisition systems
Lab and test equipment
strumentation applications, as well as communications
applications.
The device operates from a single +5 V supply. A separate
digital output supply pin is provided for +3/5 V logic output
levels. Total power dissipation, including internal refer-
ence, is 725 mW. It is in a 44-lead TQFP package over the
industrial temperature range of –40 °C to +85 °C.
AVDD
AGND
BGND
OVDD
OGND
SHA
ADC1
ADC2
ADC3
ADC5
Bias
Generator
Reference
&
Buffers
VIN+
VIN
CLK
VREF/EXTB
VRT
VRC
VBS
Data
Alignment
&
Registers
Error
Correction
&
Calibration
OTR
D13D0 (D0=LSB)
RESETB
BUSY
14
ADC4
MDAC1
MDAC2
MDAC3
MDAC4
CAL
Bandgap
CM
DESCRIPTION
This high-performance, 14-bit analog-to-digital converter
operates at a sample rate of up to 20 MSPS. It utilizes a
digitally calibrated, pipelined CMOS architecture to
achieve excellent dynamic performance and linearity.
Incorporated on chip are a high-performance sample-and-
hold amplifier and internal reference for minimal external
circuitry.
The excellent linearity and superb dynamic performance
of this device make it ideal for image processing and in-
BLOCK DIAGRAM
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