MAX1225CTC+T datasheet, PDF - EEWORLD Datasheet

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MAX1225CTC+T: DescriptionIC adc 12bit 1.5msps 12-tqfn; CategoryAnalog mixed-signal IC converter; File Size704KB，18 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html; Environmental Compliance

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MAX1225CTC+T Overview

IC adc 12bit 1.5msps 12-tqfn

MAX1225CTC+T Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Parts packaging code	QFN
package instruction	HVQCCN,
Contacts	12
Reach Compliance Code	compli
ECCN code	EAR99
Maximum analog input voltage	2.048 V
Minimum analog input voltage
Maximum conversion time	0.667 µs
Converter type	ADC, SUCCESSIVE APPROXIMATION
JESD-30 code	S-PQCC-N12
JESD-609 code	e3
length	4 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	12
Maximum operating temperature	70 °C
Minimum operating temperature
Output bit code	2'S COMPLEMENT BINARY
Output format	SERIAL
Package body material	PLASTIC/EPOXY
encapsulated code	HVQCCN
Package shape	SQUARE
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	260
Certification status	Not Qualified
Sampling rate	1.5 MHz
Sample and hold/Track and hold	TRACK
Maximum seat height	0.8 mm
Nominal supply voltage	3 V
surface mount	YES
technology	BICMOS
Temperature level	COMMERCIAL
Terminal surface	Matte Tin (Sn)
Terminal form	NO LEAD
Terminal pitch	0.8 mm
Terminal location	QUAD
Maximum time at peak reflow temperature	30
width	4 mm
Base Number Matches	1

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19-3271; Rev 1; 4/09

1.5Msps, Single-Supply, Low-Power,

True-Differential, 12-Bit ADCs

General Description

The MAX1224/MAX1225 low-power, high-speed, serial-

output, 12-bit, analog-to-digital converters (ADCs) oper-

ate at up to 1.5Msps. These devices feature true-differen-

tial inputs, offering better noise immunity, distortion

improvements, and a wider dynamic range over single-

ended inputs. A standard SPI™/QSPI™/MICROWIRE™

interface provides the clock necessary for conversion.

These devices easily interface with standard digital signal

processor (DSP) synchronous serial interfaces.

The MAX1224/MAX1225 operate from a single +2.7V to

+3.6V supply voltage and require an external reference.

The MAX1224 has a unipolar analog input, while the

MAX1225 has a bipolar analog input. These devices fea-

ture a partial power-down mode and a full power-down

mode for use between conversions, which lower the sup-

ply current to 1mA (typ) and 1µA (max), respectively. Also

featured is a separate power-supply input (V

), which

allows direct interfacing to +1.8V to V

digital logic. The

fast conversion speed, low-power dissipation, good AC

performance, and DC accuracy (±1.5 LSB INL) make the

MAX1224/MAX1225 ideal for industrial process control,

motor control, and base-station applications.

The MAX1224/MAX1225 come in a 12-pin TQFN pack-

age, and are available in the extended (-40°C to +85°C)

temperature range.

♦

1.5Msps Sampling Rate

♦

Only 18mW (typ) Power Dissipation

♦

Only 1µA (max) Shutdown Current

♦

High-Speed, SPI-Compatible, 3-Wire Serial Interface

♦

69dB S/(N + D) at 525kHz Input Frequency

♦

Internal True-Differential Track/Hold (T/H)

♦

External Reference

♦

No Pipeline Delays

♦

Small 12-Pin TQFN Package

Features

MAX1224/MAX1225

Ordering Information

PART

MAX1224ETC+T

MAX1225ETC+T

TEMP RANGE

PIN-

PACKAGE

INPUT

Unipolar

Bipolar

Applications

Data Acquisition

Bill Validation

Motor Control

Communications

Portable Instruments

-40°C to +85°C 12 TQFN

+Denotes

a lead(Pb)-free/RoHS-compliant package.

T = Tape and reel.

Pin Configuration

TOP VIEW

AIN+

N.C.

SCLK

10μF

+2.7V TO +3.6V

Typical Operating Circuit

+1.8V TO V

0.01μF

DOUT

10μF

AIN-

REF

RGND

CNVST

DOUT

DIFFERENTIAL +

INPUT

VOLTAGE -

AIN+

AIN-

MAX1224

MAX1225

MAX1224

MAX1225

REF

4.7μF

0.01μF

REF

RGND

μC/DSP

CNVST

SCLK

N.C.

GND

TQFN

SPI/QSPI are trademarks of Motorola, Inc.

MICROWIRE is a trademark of National Semiconductor Corp.

________________________________________________________________

Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

MAX1225CTC+T Related Products

	MAX1225CTC+T	MAX1224CTC+T	MAX1224ETC-T	MAX1224ETC	MAX1225ETC	MAX1225ETC-T
Description	IC adc 12bit 1.5msps 12-tqfn	IC adc 12bit 1.5msps 12-tqfn	Analog to Digital Converters - ADC	Analog to Digital Converters - ADC	Analog to Digital Converters - ADC	Analog to Digital Converters - ADC
Is it Rohs certified?	conform to	conform to	incompatible	incompatible	incompatible	incompatible
package instruction	HVQCCN,	HVQCCN,	HVQCCN, LCC12,.16SQ,32	HVQCCN, LCC12,.16SQ,32	HVQCCN, LCC12,.16SQ,32	HVQCCN, LCC12,.16SQ,32
Reach Compliance Code	compli	compli	not_compliant	not_compliant	not_compliant	not_compliant
Maximum analog input voltage	2.048 V	2.048 V	2.048 V	3.05 V	1.525 V	2.048 V
Maximum conversion time	0.667 µs	0.667 µs	0.667 µs	0.667 µs	0.667 µs	0.667 µs
Converter type	ADC, SUCCESSIVE APPROXIMATION	ADC, SUCCESSIVE APPROXIMATION	ADC, SUCCESSIVE APPROXIMATION	A/D CONVERTER	A/D CONVERTER	ADC, SUCCESSIVE APPROXIMATION
JESD-30 code	S-PQCC-N12	S-PQCC-N12	S-PQCC-N12	S-XQCC-N12	S-XQCC-N12	S-PQCC-N12
length	4 mm	4 mm	4 mm	4 mm	4 mm	4 mm
Maximum linear error (EL)	0.0366%	0.0366%	0.0366%	0.037%	0.037%	0.0366%
Humidity sensitivity level	1	1	1	1	1	1
Number of analog input channels	1	1	1	1	1	1
Number of digits	12	12	12	12	12	12
Number of functions	1	1	1	1	1	1
Number of terminals	12	12	12	12	12	12
Maximum operating temperature	70 °C	70 °C	85 °C	85 °C	85 °C	85 °C
Minimum operating temperature	-	-	-40 °C	-40 °C	-40 °C	-40 °C
Output bit code	2'S COMPLEMENT BINARY	BINARY	BINARY	BINARY	2\'S COMPLEMENT BINARY	2\'S COMPLEMENT BINARY
Output format	SERIAL	SERIAL	SERIAL	SERIAL	SERIAL	SERIAL
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	UNSPECIFIED	UNSPECIFIED	PLASTIC/EPOXY
encapsulated code	HVQCCN	HVQCCN	HVQCCN	HVQCCN	HVQCCN	HVQCCN
Package shape	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE
Package form	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)	260	260	240	225	225	240
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Sampling rate	1.5 MHz	1.5 MHz	1.5 MHz	1.5 MHz	1.5 MHz	1.5 MHz
Sample and hold/Track and hold	TRACK	TRACK	TRACK	TRACK	TRACK	TRACK
Maximum seat height	0.8 mm	0.8 mm	0.8 mm	0.8 mm	0.8 mm	0.8 mm
Nominal supply voltage	3 V	3 V	3 V	3 V	3 V	3 V
surface mount	YES	YES	YES	YES	YES	YES
technology	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS
Temperature level	COMMERCIAL	COMMERCIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
Terminal form	NO LEAD	NO LEAD	NO LEAD	NO LEAD	NO LEAD	NO LEAD
Terminal pitch	0.8 mm	0.8 mm	0.8 mm	0.8 mm	0.8 mm	0.8 mm
Terminal location	QUAD	QUAD	QUAD	QUAD	QUAD	QUAD
Maximum time at peak reflow temperature	30	30	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
width	4 mm	4 mm	4 mm	4 mm	4 mm	4 mm
Parts packaging code	QFN	QFN	QFN	-	-	QFN
Contacts	12	12	12	-	-	12
ECCN code	EAR99	EAR99	EAR99	EAR99	-	EAR99
JESD-609 code	e3	e3	e0	-	-	e0
Terminal surface	Matte Tin (Sn)	Matte Tin (Sn)	Tin/Lead (Sn/Pb)	-	-	Tin/Lead (Sn/Pb)
Is it lead-free?	-	-	Contains lead	Contains lead	Contains lead	Contains lead
Maker	-	-	Maxim	Maxim	Maxim	Maxim
Encapsulate equivalent code	-	-	LCC12,.16SQ,32	LCC12,.16SQ,32	LCC12,.16SQ,32	LCC12,.16SQ,32
power supply	-	-	3/3.3 V	3/3.3 V	3/3.3 V	3/3.3 V

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