MP8799 datasheet(1/20 Pages) EXAR

номер детали	MP8799

подробное описание детали	CMOS Very Low Power, 1 MSPS, 10-Bit Analog-to-Digital Converter with 8-Channel Mux

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производитель	EXAR [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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MPS Industries, Inc.	MP8792	1Mb / 20P	16V, 12A, Synchronous Step-Down Converter with Adjustable Current Limit,Configurable Frequency, and Voltage Tracking Rev. 1.0
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Texas Instruments	ADS5204-Q1	964Kb / 25P	DUAL 10-BIT 40 MSPS LOW-POWER ANALOG-TO-DIGITAL CONVERTER WITH PGA
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