LTC1402IGN#TRPBF datasheet, PDF

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LTC1402IGN#TRPBF: Description1-Channel Single ADC SAR 2.2Msps 12-bit Serial 16-Pin SSOP N T/R; File Size278KB，24 Pages; ManufacturerADI; Websitehttps://www.analog.com

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LTC1402IGN#TRPBF Overview

1-Channel Single ADC SAR 2.2Msps 12-bit Serial 16-Pin SSOP N T/R

LTC1402IGN#TRPBF Parametric

Parameter Name	Attribute value
EU restricts the use of certain hazardous substances	Compliant
ECCN (US)	EAR99
Part Status	Active
Converter Type	General Purpose
Architecture	SAR
Resolution	12bit
Number of ADCs	1
Number of Input Channels	1
Sampling Rate	2.2Msps
Digital Interface Type	Serial (3-Wire, SPI, Microwire)
Input Type	Voltage
Input Signal Type	Differential\|Single-Ended
Voltage Reference	External\|Internal
Polarity of Input Voltage	Bipolar\|Unipolar
Voltage Supply Source	Dual\|Single
Input Voltage	±2.048V\|4.096V
Minimum Single Supply Voltage (V)	4.75
Typical Single Supply Voltage (V)	5
Maximum Single Supply Voltage (V)	5.25
Minimum Dual Supply Voltage (V)	0/4.75
Typical Dual Supply Voltage (V)	±5
Maximum Dual Supply Voltage (V)	±5.25
Typical Power Dissipation (mW)	90
Maximum Power Dissipation (mW)	150
Integral Nonlinearity Error	±1LSB
Full Scale Error	±15LSB
No Missing Codes (bit)	12
Sample and Hold	Yes
Single-Ended Input	Yes
Digital Supply Support	Yes
Minimum Operating Temperature (°C)	-40
Maximum Operating Temperature (°C)	85
Packaging	Tape and Reel
Supplier Temperature Grade	Industrial
Pin Count	16
Standard Package Name	SOP
Supplier Package	SSOP N
Mounting	Surface Mount
Package Height	1.5(Max)
Package Length	4.98(Max)
Package Width	3.99(Max)
PCB changed	16
Lead Shape	Gull-wing

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FEATURES

LTC1402

Serial 12-Bit, 2.2Msps

Sampling ADC with Shutdown

DESCRIPTIO

The LTC

1402 is a 12-bit, 2.2Msps sampling A/D con-

verter. This high performance device includes a high dy-

namic range sample-and-hold and a precision reference.

It operates from a single 5V supply or dual

±5V

supplies

and draws only 90mW from 5V.

The versatile differential input offers a unipolar range of

4.096V and a bipolar range of

±2.048V

for dual supply

systems where high performance op amps perform best,

eliminating the need for special translation circuitry.

The high common mode rejection allows users to elimi-

nate ground loops and common mode noise by measuring

signals differentially from the source.

Outstanding AC performance includes 72dB S/(N + D) and

–93dB SFDR at the Nyquist input frequency of 1.1MHz

with dual

±5V

supplies and –84dB SFDR with a single 5V

supply.

The LTC1402 has two power saving modes: Nap and

Sleep. Nap mode consumes only 15mW of power and can

wake up and convert immediately. In Sleep mode, it

typically consumes 10µW of power. Upon power-up from

Sleep mode, a reference ready (REFRDY) signal is avail-

able in the serial data word to indicate that the reference

has settled and the chip is ready to convert.

The 3-wire serial port allows compact and efficient data

transfer to a wide range of microprocessors, microcon-

trollers and DSPs. A digital output driver power supply pin

allows direct connection to 3V or lower logic.

Sample Rate: 2.2Msps

72dB S/(N + D) and –89dB THD at Nyquist

Power Dissipation: 90mW (Typ)

80MHz Full Power Bandwidth Sampling

No Missing Codes over Temperature

Available in 16-Pin Narrow SSOP Package

Single Supply 5V or

±5V

Operation

Nap Mode with Instant Wake-Up: 15mW

Sleep Mode: 10µW

True Differential Inputs Reject Common Mode Noise

Input Range (1mV/LSB): 0V to 4.096V or

±2.048V

Internal Reference Can Be Overdriven Externally

3-Wire Interface to DSPs and Processors (SPI and

MICROWIRE

Compatible)

APPLICATIO S

Telecommunications

High Speed Data and Signal Acquisition

Digitally Multiplexed Data Acquisition Systems

Digital Radio Receivers

Spectrum Analysis

Low Power and Battery-Operated Systems

Handheld or Portable Instruments

Imaging Systems

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

MICROWIRE is a trademark of National Semiconductor Corp.

BLOCK DIAGRA

10µF

IN+

IN–

REF

10µF

SAMPLE-

AND-HOLD

1 AV

12 DV

3V OR 5V

11 OV

5 Harmonic THD, 2nd, 3rd and SFDR

vs Input Frequency (Unipolar)

–10

–20

THD, SFDR, 2ND 3RD (dB)

12-BIT ADC

OUTPUT

BUFFER

OUT

–30

–40

–50

–60

–70

–80

–90

–100

–110

4.096V

64k

–

2.048

REFERENCE

2 AGND1

6 AGND2

TIMING

LOGIC

13 DGND

9 OGND

1402 TA01

GAIN

64k

LTC1402

BIP/UNI

CONV

SCK

10µF

–5V OR 0V

–120

THD

SFDR

2ND

3RD

SAMPLE

= 2.22MHz

INPUT FREQUENCY (Hz)

1401 G05

LTC1402IGN#TRPBF Related Products

	LTC1402IGN#TRPBF	LTC1402CGN#PBF	LTC1402CGN#TRPBF	LTC1402CGN	LTC1402IGN#PBF	LTC1402IGN#TR	LTC1402IGN
Description	1-Channel Single ADC SAR 2.2Msps 12-bit Serial 16-Pin SSOP N T/R	1-Channel Single ADC SAR 2.2Msps 12-bit Serial 16-Pin SSOP N Tube	1-Channel Single ADC SAR 2.2Msps 12-bit Serial 16-Pin SSOP N T/R	1-Channel Single ADC SAR 2.2Msps 12-bit Serial 16-Pin SSOP N	1-Channel Single ADC SAR 2.2Msps 12-bit Serial 16-Pin SSOP N Tube	1-Channel Single ADC SAR 2.2Msps 12-bit Serial 16-Pin SSOP N T/R	1-Channel Single ADC SAR 2.2Msps 12-bit Serial 16-Pin SSOP N
EU restricts the use of certain hazardous substances	Compliant	Compliant	Compliant	Not Compliant	Compliant	Not Compliant	Not Compliant
ECCN (US)	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Part Status	Active	Active	Active	Unconfirmed	Active	Unconfirmed	Unconfirmed
Converter Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose
Architecture	SAR	SAR	SAR	SAR	SAR	SAR	SAR
Resolution	12bit	12bit	12bit	12bit	12bit	12bit	12bit
Number of ADCs	1	1	1	1	1	1	1
Number of Input Channels	1	1	1	1	1	1	1
Sampling Rate	2.2Msps	2.2Msps	2.2Msps	2.2Msps	2.2Msps	2.2Msps	2.2Msps
Digital Interface Type	Serial (3-Wire, SPI, Microwire)	Serial (3-Wire, SPI, Microwire)	Serial (3-Wire, SPI, Microwire)	Serial (3-Wire, SPI, Microwire)	Serial (3-Wire, SPI, Microwire)	Serial (3-Wire, SPI, Microwire)	Serial (3-Wire, SPI, Microwire)
Input Type	Voltage	Voltage	Voltage	Voltage	Voltage	Voltage	Voltage
Input Signal Type	Differential\|Single-Ended	Differential\|Single-Ended	Differential\|Single-Ended	Single-Ended\|Differential	Single-Ended\|Differential	Single-Ended\|Differential	Differential\|Single-Ended
Voltage Reference	External\|Internal	Internal\|External	External\|Internal	Internal\|External	Internal\|External	Internal\|External	External\|Internal
Polarity of Input Voltage	Bipolar\|Unipolar	Unipolar\|Bipolar	Bipolar\|Unipolar	Unipolar\|Bipolar	Unipolar\|Bipolar	Unipolar\|Bipolar	Bipolar\|Unipolar
Voltage Supply Source	Dual\|Single	Dual\|Single	Single\|Dual	Single\|Dual	Single\|Dual	Single\|Dual	Dual\|Single
Input Voltage	±2.048V\|4.096V	4.096V\|±2.048V	±2.048V\|4.096V	4.096V\|±2.048V	4.096V\|±2.048V	4.096V\|±2.048V	±2.048V\|4.096V
Minimum Single Supply Voltage (V)	4.75	4.75	4.75	4.75	4.75	4.75	4.75
Typical Single Supply Voltage (V)	5	5	5	5	5	5	5
Maximum Single Supply Voltage (V)	5.25	5.25	5.25	5.25	5.25	5.25	5.25
Minimum Dual Supply Voltage (V)	0/4.75	0/4.75	0/4.75	0/4.75	0/4.75	0/4.75	0/4.75
Typical Dual Supply Voltage (V)	±5	±5	±5	±5	±5	±5	±5
Maximum Dual Supply Voltage (V)	±5.25	±5.25	±5.25	±5.25	±5.25	±5.25	±5.25
Typical Power Dissipation (mW)	90	90	90	90	90	90	90
Maximum Power Dissipation (mW)	150	150	150	150	150	150	150
Integral Nonlinearity Error	±1LSB	±1LSB	±1LSB	±1LSB	±1LSB	±1LSB	±1LSB
Full Scale Error	±15LSB	±15LSB	±15LSB	±15LSB	±15LSB	±15LSB	±15LSB
No Missing Codes (bit)	12	12	12	12	12	12	12
Sample and Hold	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Single-Ended Input	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Digital Supply Support	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Minimum Operating Temperature (°C)	-40	-	-	-	-40	-40	-40
Maximum Operating Temperature (°C)	85	70	70	70	85	85	85
Supplier Temperature Grade	Industrial	Commercial	Commercial	Commercial	Industrial	Industrial	Industrial
Pin Count	16	16	16	16	16	16	16
Standard Package Name	SOP	SOP	SOP	SOP	SOP	SOP	SOP
Supplier Package	SSOP N	SSOP N	SSOP N	SSOP N	SSOP N	SSOP N	SSOP N
Mounting	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package Height	1.5(Max)	1.5(Max)	1.5(Max)	1.5(Max)	1.5(Max)	1.5(Max)	1.5(Max)
Package Length	4.98(Max)	4.98(Max)	4.98(Max)	4.98(Max)	4.98(Max)	4.98(Max)	4.98(Max)
Package Width	3.99(Max)	3.99(Max)	3.99(Max)	3.99(Max)	3.99(Max)	3.99(Max)	3.99(Max)
PCB changed	16	16	16	16	16	16	16
Lead Shape	Gull-wing	Gull-wing	Gull-wing	Gull-wing	Gull-wing	Gull-wing	Gull-wing
Packaging	Tape and Reel	Tube	Tape and Reel	-	Tube	Tape and Reel	-
HTS	-	8542.39.00.01	8542.39.00.01	-	8542.39.00.01	8542.39.00.01	-

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