LTC1407 LINER [Linear Technology], LTC1407 Datasheet

LTC1407

Manufacturer Part Number

LTC1407

Description

Serial 12-Bit/14-Bit, 3Msps Simultaneous Sampling Simultaneous Sampling

Manufacturer

LINER [Linear Technology]

Datasheet

1.LTC1407.pdf (24 pages)

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FEATURES

BLOCK DIAGRA

APPLICATIO S

10 F

CH0

CH1

3Msps Sampling ADC with Two Simultaneous

Differential Inputs

1.5Msps Throughput per Channel

Low Power Dissipation: 14mW (Typ)

3V Single Supply Operation

2.5V Internal Bandgap Reference with External

Overdrive

3-Wire Serial Interface

Sleep (10 W) Shutdown Mode

Nap (3mW) Shutdown Mode

80dB Common Mode Rejection at 100kHz

0V to 2.5V Unipolar Input Range

Tiny 10-Lead MS Package

Telecommunications

Data Acquisition Systems

Uninterrupted Power Supplies

Multiphase Motor Control

I & Q Demodulation

Industrial Control

–

GND

REF

–

EXPOSED PAD

S & H

MUX

REFERENCE

2.5V

14-BIT ADC

3Msps

10 F

OUTPUT

THREE-

TIMING

SERIAL

STATE

LOGIC

PORT

DESCRIPTIO

LTC1407A

The LTC

with two 1.5Msps simultaneously sampled differential

inputs. The devices draw only 4.7mA from a single 3V

supply and come in a tiny 10-lead MS package. A Sleep

shutdown feature lowers power consumption to 10 W.

The combination of speed, low power and tiny package

makes the LTC1407/LTC1407A suitable for high speed,

portable applications.

The LTC1407/LTC1407A contain two separate differential

inputs that are sampled simultaneously on the rising edge

of the CONV signal. These two sampled inputs are then

converted at a rate of 1.5Msps per channel.

The 80dB common mode rejection allows users to elimi-

nate ground loops and common mode noise by measuring

signals differentially from the source.

The devices convert 0V to 2.5V unipolar inputs differen-

tially. The absolute voltage swing for CH0

and CH1

The serial interface sends out the two conversion results in

32 clocks for compatibility with standard serial interfaces.

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

Serial 12-Bit/14-Bit, 3Msps

Simultaneous Sampling

1407A BD

–

1407/LTC1407A are 12-bit/14-bit, 3Msps ADCs

extends from ground to the supply voltage.

SDO

CONV

SCK

ADCs with Shutdown

LTC1407/LTC1407A

–104

–44

–50

–56

–62

–68

–80

–86

–92

–98

–74

0.1

vs Input Frequency

THD, 2nd and 3rd

FREQUENCY (MHz)

, CH0

THD

3rd

2nd

–

, CH1

1407 G02

1407f

100

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