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MP8799 Datasheet(PDF) 1 Page - Exar Corporation

Part No. MP8799
Description  CMOS Very Low Power, 1 MSPS, 10-Bit Analog-to-Digital Converter with 8-Channel Mux
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Maker  EXAR [Exar Corporation]
Homepage  http://www.exar.com
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MP8799 Datasheet(HTML) 1 Page - Exar Corporation

 
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MP8799
1
Rev. 3.00
FEATURES
• 10-Bit Resolution
• 8-Channel Mux
• Sampling Rates from <1 kHz to 1 MHz
• Very Low Power CMOS - 30 mW (typ)
• Power Down; Lower Consumption – 3 mW (typ)
• Input Range between GND and V
DD
• No S/H Required for Analog Signals less than 100 kHz
• No S/H Required for CCD Signals less than 1 MHz
• Single Power Supply (4 to 6 Volts)
• Latch-Up Free
• High ESD Protection: 4000 Volts Minimum
• 3 V Version: MP87L99
CMOS
Very Low Power, 1 MSPS, 10-Bit
Analog-to-Digital Converter with 8-Channel Mux
BENEFITS
• Reduced Board Space (Small Package)
• Reduced External Parts, No Sample/Hold Needed
• Suitable for Battery & Power Critical Applications
• Designer can Adapt Input Range & Scaling
APPLICATIONS
• µP/DSP Interface and Control Applications
• High Resolution Imaging – Scanners & Copiers
• Wireless Digital Communications
• Multiplexed Data Acquisition
GENERAL DESCRIPTION
The MP8799 is a flexible, easy to use, precision 10-bit
Analog-to-Digital Converter with 8-channel mux that operates
over a wide range of input and sampling conditions.
The
MP8799 can operate with pulsed “on demand” conversion
operation or continuous “pipeline” operation for sampling rates
up to 1 MHz. The elimination of the S/H requirements, very low
power, and small package size offer the designer a low cost
solution. No sample and hold is required for charge couple
device applications up to 1 MHz, or multiplexed input
applications when the signal source bandwidth is limited to 100
kHz.
The input
architecture of the MP8799 allows direct
interface to any analog input range between AGND and AVDD (0
to 2 V, 1 to 4 V, 0 to 5 V, etc.). The user simply sets VREF(+) and
VREF(–) to encompass the desired input range.
Scaled reference resistor tap @ 1/4 R, 1/2 R and 3/4 R allows
for customizing the transfer curve as well as providing a 1/2 span
reference voltage.
Digital outputs are CMOS and TTL
compatible.
The MP8799 uses a two-step flash technique.
The first
segment converts the 4 MSBs and consists of 15 autobalanced
comparators, latches, an encoder, and buffer storage registers.
The second segment converts the remaining 6 LSBs.
When the power down input is “high”, the data outputs DB9 to
DB0 hold the current values and VREF(–) is disconnected from
VREF1(–). The power consumption during the power down mode
is approximately 3mW.
ORDERING INFORMATION
Package
Type
Temperature
Range
Part No.
DNL
(LSB)
INL
(LSB)
PQFP
–40 to +85
°C
MP8799AE
1
2


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