LTC2383-16

1

238316f

TYPICAL APPLICATION

FEATURES

DESCRIPTION

16-Bit, 1Msps, Low Power

SAR ADC with Serial Interface

16-bit successive approximation register (SAR) ADC.

Operating from a 2.5V supply, the LTC2383-16 has a

±2.5V fully differential input range. The LTC2383-16

consumes only 13mW and achieves ±2LSB INL max, no

missing codes at 16-bits and 92dB SNR.

The LTC2383-16 has a high speed SPI-compatible serial

interface that supports 1.8V, 2.5V, 3.3V and 5V logic

while also featuring a daisychain mode. The fast 1Msps

throughput with no cycle latency makes the LTC2383-16

ideally suited for a wide variety of high speed applica-

tions. An internal oscillator sets the conversion time,

easing external timing considerations. The LTC2383-16

automatically powers down between conversions, lead-

ing to reduced power dissipation that scales with the

sampling rate.

APPLICATIONS

L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear

Technology Corporation. All other trademarks are the property of their respective owners.

FREQUENCY (kHz)

0

100

200

300

400

500

–180

–60

–40

–20

–80

–100

–120

–140

–160

0

238316 TA02

SNR = 92.2dB

THD = –106.2dB

SINAD = 92dB

SFDR = 110.4dB

LT6350

ANALOG INPUT

0V TO 2.5V

SINGLE-ENDED-

TO-DIFFERENTIAL

DRIVER

50Ω

100Ω

100Ω

50Ω

3300pF

10μF

0.1μF

2.5V

REF

GND

1.8V TO 5V

SAMPLE CLOCK

CHAIN

RDL/SDI

SDO

SCK

BUSY

CNV

LTC2383-16

2.5V

47μF

(X5R, 0805 SIZE)

23816 TA01

LTC238X-16 SAR ADC Family

PART NUMBER

RESOLUTION

SPEED

POWER

LTC2383-16

16

1Msps

13mW

LTC2382-16

16

500ksps

6.5mW

LTC2381-16

16

250ksps

3.25mW