LTC1282ACSW datasheet(22/24 Pages) LINER

22 / 24 page

LTC1282

APPLICATI

I FOR ATIO

Other High Speed A/D Converters

LTC makes a family of high speed sampling ADCs for a

variety of applications. Both single 5V and

±5V supply

devices are available at high speeds. The high speed

12-bit family is summarized below.

*6mW power shutdown with instant wake up

LTC1273/5/6

AIN

VREF

AGND

D11 (MSB)

D10

DGND

VDD

BUSY

HBEN

D0/8

D1/9

D2/10

D3/11

µF

0.1

µF

ANALOG INPUT

2.42V

VREF

OUTPUT

8- OR 12-BIT

PARALLEL BUS

µP CONTROL

LINES

0.1

µF

2.7

µs Conversion

Time

Built-In

Sample & Hold

Reference

Output For

System Use

Parallel Outputs

For The Fastest

Data Transfer Rates

No Negative

Supply Required

for Unipolar

Operation

Internal Clock

No Crystal

Required

Only 75mW

Power

Consumption

Reference On Board

300ksps and 500ksps 12-Bit Sampling A/D Converters

Comparison of Specifications and Features

DEVICE

SAMPLING

S/(N + D)

INPUT

POWER

TYPE

FREQ

@ NYQUIST RANGE

SUPPLY DISSIPATION

LTC1272

250kHz

65dB

0V-5V

75mW

LTC1273

300kHz

70dB

0V-5V

75mW

LTC1275

300kHz

70dB

±2.5V

±5V

75mW

LTC1276

300kHz

70dB

±5V

75mW

LTC1278

500kHz

70dB

0V-5V

75mW

±2.5V or ±5V

6mW*

LTC1282

140kHz

68dB

0V-2.5V

12mW

±1.25V or ±3V

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