LTC2312CTS8-12#PBF datasheet, PDF

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LTC2312CTS8-12#PBF: DescriptionAnalog-to-Digital Converter - ADC LTC2312-12 - 12-Bit, 500ksps Serial Sampling ADC in TSOT; CategoryAnalog mixed-signal IC converter; File Size502KB，22 Pages; ManufacturerADI; Websitehttps://www.analog.com; Environmental Compliance

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LTC2312CTS8-12#PBF Overview

Analog-to-Digital Converter - ADC LTC2312-12 - 12-Bit, 500ksps Serial Sampling ADC in TSOT

LTC2312CTS8-12#PBF Parametric

Parameter Name	Attribute value
Brand Name	Analog Devices Inc
Is it lead-free?	Contains lead
Is it Rohs certified?	conform to
Maker	ADI
package instruction	VSSOP,
Contacts	8
Manufacturer packaging code	05-08-1637
Reach Compliance Code	compliant
Maximum analog input voltage	2.056 V
Minimum analog input voltage
Converter type	ADC, SUCCESSIVE APPROXIMATION
JESD-30 code	R-PDSO-G8
JESD-609 code	e3
length	2.9 mm
Maximum linear error (EL)	0.0366%
Humidity sensitivity level	1
Number of analog input channels	1
Number of digits	12
Number of functions	1
Number of terminals	8
Maximum operating temperature	70 °C
Minimum operating temperature
Output bit code	BINARY
Output format	SERIAL
Package body material	PLASTIC/EPOXY
encapsulated code	VSSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260
Sampling rate	0.5 MHz
Sample and hold/Track and hold	SAMPLE
Maximum seat height	1 mm
Nominal supply voltage	3 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal surface	Matte Tin (Sn)
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
width	1.625 mm

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LTC2312-12

12-Bit, 500ksps Serial

Sampling ADC in TSOT

FeaTures

DescripTion

The

LTC

2312-12

is a 12-bit, 500ksps, serial sampling

A/D converter that draws only 3mA from a single 3V or

5V supply. The LTC2312-12 contains an integrated low

drift reference and reference buffer providing a low cost,

high performance (20ppm/°C maximum) and space sav-

ing solution. The LTC2312-12 achieves outstanding AC

performance of 72.7dB SINAD and –84dB THD while

sampling at 500ksps. The extremely high sample rate-to-

power ratio makes the LTC2312-12 ideal for compact, low

power, high speed systems. The supply current decreases

at lower sampling rates as the device automatically enters

nap mode after conversions.

The LTC2312-12 has a high speed SPI-compatible serial

interface that supports 1.8V, 2.5V, 3V and 5V logic. The

fast 500ksps throughput with no-cycle latency makes

the LTC2312-12 ideally suited for a wide variety of high

speed applications.

Complete 14-/12-Bit Pin-Compatible SAR ADC Family

500ksps

14-Bit

12-Bit

2.5Msps

4.5Msps

5Msps

LTC2315-12

LTC2312-14 LTC2313-14 LTC2314-14

LTC2312-12 LTC2313-12

500ksps Throughput Rate

No Cycle Latency

Guaranteed 12-Bit No Missing Codes

Single 3V or 5V Supply

Low Noise: 73dB SNR

Low Power: 8mW at 500ksps and 3V Supply

Low Drift (20ppm/°C Maximum) 2.048V or 4.096V

Internal Reference

Sleep Mode with < 1µA Typical Supply Current

Nap Mode with Quick Wake-Up < 1 Conversion

Separate 1.8V to 5V Digital I/O Supply

High Speed SPI-Compatible Serial I/O

Guaranteed Operation from –40°C to 125°C

8-Lead TSOT-23 Package

applicaTions

Communication Systems

High Speed Data Acquisition

Handheld Terminal Interface

Medical Imaging

Uninterrupted Power Supplies

Battery Operated Systems

Automotive

Power 3V/5V 9mW/15mW 14mW/25mW 18mW/31mW 19mW/32mW

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.

Typical applicaTion

5V Supply, Internal Reference, 500ksps, 12-Bit Sampling ADC

2.2µF

REF

GND

ANALOG INPUT

0V TO 4.096V

SCK

SDO

2.2µF

LTC2312-12

AMPLITUDE (dBFS)

CONV

SERIAL DATA LINK TO

ASIC, PLD, MPU, DSP

OR SHIFT REGISTERS

16k Point FFT, f

= 500ksps, f

= 259kHz

–20

–40

–60

–80

–100

–120

–140

–160

100

200

150

INPUT FREQUENCY (kHz)

250

231212

TA01b

= 5V

SNR = 73dBFS

SINAD = 72.7dBFS

THD = –84dB

SFDR = 88dB

DIGITAL OUTPUT SUPPLY

1.8V TO 5V

231212 TA01a

231212fa

For more information

www.linear.com/LTC2312-12

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