LTC1196-1ACS8-PBF LINER [Linear Technology], LTC1196-1ACS8-PBF Datasheet

LTC1196-1ACS8-PBF

Manufacturer Part Number

LTC1196-1ACS8-PBF

Description

8-Bit, SO-8, 1Msps ADCs with Auto-Shutdown Options

Manufacturer

LINER [Linear Technology]

Datasheet

1.LTC1196-1ACS8-PBF.pdf (28 pages)

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FEATURES

APPLICATIONS

TYPICAL APPLICATION

0V TO 5V RANGE

ANALOG INPUT

High Sampling Rates: 1MHz (LTC1196)

Low Cost

Single Supply 3V and 5V Speciﬁ cations

Low Power: 10mW at 3V Supply

Auto-Shutdown: 1nA Typical (LTC1198)

±1/2LSB Total Unadjusted Error over Temperature

3-Wire Serial I/O

1V to 5V Input Span Range (LTC1196)

Converts 1MHz Inputs to 7 Effective Bits

Differential Inputs (LTC1196)

2-Channel MUX (LTC1198)

SO-8 Plastic Package

High Speed Data Acquisition

Disk Drives

Portable or Compact Instrumentation

Low Power or Battery-Operated Systems

Single 5V Supply, 1Msps, 8-Bit Sampling ADC

50mW at 5V Supply

+IN

–IN

GND

LTC1196

750kHz (LTC1198)

CLK

OUT

REF

1μF

SERIAL DATA LINK TO

ASIC, PLD, MPU, DSP,

OR SHIFT REGISTERS

1196/98 TA01

with Auto-Shutdown Options

DESCRIPTION

The LTC

with sampling rates up to 1MHz. They are offered in 8-pin

SO packages and operate on 3V to 6V supplies. Power

dissipation is only 10mW with a 3V supply or 50mW with

a 5V supply. The LTC1198 automatically powers down to a

typical supply current of 1nA whenever it is not performing

conversions. These 8-bit switched-capacitor successive

approximation ADCs include sample-and-holds. The

LTC1196 has a differential analog input; the LTC1198 of-

fers a software selectable 2-channel MUX.

The 3-wire serial I/O, SO-8 packages, 3V operation and

extremely high sample rate-to-power ratio make these

ADCs an ideal choice for compact, high speed systems.

These ADCs can be used in ratiometric applications or

with external references. The high impedance analog in-

puts and the ability to operate with reduced spans below

1V full scale (LTC1196) allow direct connection to signal

sources in many applications, eliminating the need for

gain stages.

The A grade devices are speciﬁ ed with total unadjusted

error of ±1/2LSB maximum over temperature.

L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

8-Bit, SO-8, 1Msps ADCs

Effective Bits and S/(N + D) vs Input Frequency

1196/LTC1198 are 600ns, 8-bit A/D converters

= 25°C

SMPL

LTC1196/LTC1198

SMPL

INPUT FREQUENCY (Hz)

= 383kHz (LTC1196)

= 287kHz (LTC1198)

10k

= 750kHz (LTC1198)

REF

= 1MHz (LTC1196)

= V

REF

= V

= 2.7V

100k

= 5V

1196/98 G24

119698fa

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