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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 鈥?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

BENEFITS

鈥?/div>

Reduced Board Space (Small Package)

Reduced External Parts, No Sample/Hold Needed

Suitable for Battery & Power Critical Applications

Designer can Adapt Input Range & Scaling

碌P/DSP

Interface and Control Applications

High Resolution Imaging 鈥?Scanners & Copiers

Wireless Digital Communications

Multiplexed Data Acquisition

APPLICATIONS

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 鈥渙n demand鈥?conversion

operation or continuous 鈥減ipeline鈥?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 AV

DD

(0

to 2 V, 1 to 4 V, 0 to 5 V, etc.). The user simply sets V

REF(+)

and

V

REF(鈥?

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 鈥渉igh鈥? the data outputs DB9 to

DB0 hold the current values and V

REF(鈥?

is disconnected from

V

REF1(鈥?.

The power consumption during the power down mode

is approximately 3mW.

ORDERING INFORMATION

Package

Type

PQFP

Temperature

Range

鈥?0 to +85

掳

C

Part No.

MP8799AE

DNL

(LSB)

1

INL

(LSB)

2

Rev. 3.00

1

型号

版本

描述

厂商

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