DAC121S101CIMK datasheet(5/37 Pages) TI1

Teilenummer	DAC121S101CIMK

Bauteilbeschribung	12-Bit Micro Power, RRO Digital-to-Analog Converter

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Hersteller	TI1 [Texas Instruments]

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I/O

GND

TO INTERNAL

CIRCUITRY

DAC121S101, DAC121S101-Q1

www.ti.com

SNAS265J – JUNE 2005 – REVISED SEPTEMBER 2015

7.3 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)

(1) (2)

MIN

NOM

MAX

UNIT

DAC121S101

−40

TA

105

°C

Operating Temperature Range

DAC121S101-Q1

−40

TA

125

°C

Supply Voltage, VA

2.7

5.5

V

Any Input Voltage(3)

−0.1

(VA + 0.1)

V

Output Load

0

1500

pF

SCLK Frequency

30

MHz

(1)

Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Recommended Operating Ratings indicate

conditions for which the device is functional, but do not ensure specific performance limits. For ensured specifications and test

conditions, see the Electrical Characteristics. The ensured specifications apply only for the test conditions listed. Some performance

characteristics may degrade when the device is not operated under the listed test conditions.

(2)

All voltages are measured with respect to GND = 0 V, unless otherwise specified

(3)

The analog inputs are protected as shown below. Input voltage magnitudes up to VA + 300 mV or to 300 mV below GND will not

damage this device. However, errors in the conversion result can occur if any input goes above VA or below GND by more than 100 mV.

For example, if VA is 2.7VDC, ensure that −100mV ≤ input voltages ≤2.8VDC to ensure accurate conversions.

7.4 Thermal Information

DAC121S101, DAC121S101-Q1

THERMAL METRIC(1)

DGK (VSSOP)

DDC (SOT)

UNIT

8 PINS

6 PINS

RθJA

Junction-to-ambient thermal resistance

240

250

°C/W

(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report, SPRA953.

7.5

Electrical Characteristics

The following specifications apply for VA = 2.7 V to 5.5 V, RL = 2 kΩ to GND, CL = 200 pF to GND, fSCLK = 30 MHz, input code

range 48 to 4047. All limits are for TA = 25°C, unless otherwise specified.

PARAMETER

TEST CONDITIONS

MIN

(1)

TYP

(1)

MAX

(1)

UNIT

STATIC PERFORMANCE

Resolution

TMIN ≤ TA ≤ TMAX

12

Bits

Monotonicity

TMIN ≤ TA ≤ TMAX

12

Bits

TA = 25°C

±2.6

INL

Integral Non-Linearity

Over Decimal codes 48 to 4047

LSB

TMIN ≤ TA ≤ TMAX

±8

TA = 25°C

−0.15

+0.25

LSB

VA = 2.7 V to 5.5 V

TMIN ≤ TA ≤ TMAX

−0.7

+1

LSB

DNL

Differential Non-Linearity

TA = 25°C

±0.11

VA = 4.5 V to 5.5 V

(2)

LSB

TMIN ≤ TA ≤ TMAX

±0.5

TA = 25°C

+4

ZE

Zero Code Error

IOUT = 0

mV

TMIN ≤ TA ≤ TMAX

+15

TA = 25°C

−0.06

FSE

Full-Scale Error

IOUT = 0

%FSR

TMIN ≤ TA ≤ TMAX

−1

TA = 25°C

−0.1

GE

Gain Error

All ones Loaded to DAC register

%FSR

TMIN ≤ TA ≤ TMAX

±1

ZCED

Zero Code Error Drift

−20

µV/°C

(1)

Typical figures are at TJ = 25°C, and represent most likely parametric norms. Test limits are specified to TI's AOQL (Average Outgoing

Quality Level).

(2)

This parameter is specified by design and/or characterization and is not tested in production.

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