ON Semiconductor NCS21871, NCV21871, NCS21872, NCV21872, NCS21874 User manual

...

45 mV Offset, 0.4 mV/5C, Zero-Drift Operational Amplifier

NCS21871, NCV21871, NCS21872, NCV21872, NCS21874, NCV21874

The NCS21871, NCS21872 and NCS21874 family of zero−drift op

amps feature offset voltage as low as 45 mV over the 1.8 V to 5.5 V supply voltage range. The zero−drift architecture reduces the offset drift to as low as 0.4 mV/°C and enables high precision measurements over both time and temperature. This family has low power consumption over a wide dynamic range and is available in space saving packages. These features make it well suited for signal conditioning circuits in portable, industrial, automotive, medical and consumer markets.

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SOT23−5

SN SUFFIX

CASE 483

SC70−5

SQ SUFFIX

CASE 419A

Features

• Gain−Bandwidth Product: 270 kHz to 350 kHz

• Low Supply Current: 17 mA (typ at 3.3 V)

• Low Offset Voltage: 45 mV max

• Low Offset Drift: 0.4 mV/°C max

• Wide Supply Range: 1.8 V to 5.5 V

• Wide Temperature Range: −40°C to +125°C

• Rail−to−Rail Input and Output

• Available in Single, Dual and Quad Packages

• NCV Prefix for Automotive and Other Applications Requiring

Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP Capable

Applications

• Automotive

• Battery Powered/ Portable Application

• Sensor Signal Conditioning

• Low Voltage Current Sensing

• Filter Circuits

• Bridge Circuits

• Medical Instrumentation

UDFN8

MU SUFFIX

CASE 517AW

SOIC−8

D SUFFIX

CASE 751

TSSOP−14 WB

DT SUFFIX

CASE 948G

DEVICE MARKING INFORMATION

See general marking information in the device marking section on page 2 of this data sheet.

ORDERING INFORMATION

See detailed ordering and shipping information on page 3 of this data sheet.

MSOP−8

DM SUFFIX

CASE 846A−02

SOIC−14

D SUFFIX

CASE 751A

ECP5

FCT SUFFIX

CASE 971BE

April, 2021 − Rev. 2

1 Publication Order Number:

NCS21871/D

NCS21871, NCV21871, NCS21872, NCV21872, NCS21874, NCV21874

DEVICE MARKING INFORMATION

Single Channel Configuration

NCS21871, NCV21871

UDFN8, 2x2, 0.5P

CASE 517AW

7AAYWG

TSOP−5/SOT23−5

CASE 483

N874G

AWLYWW

SOIC−14

CASE 751A

7CMG

SC70−5

CASE 419A

Dual Channel Configuration

NCS21872, NCV21872

2187

AYW G

Micro8/MSOP8

CASE 846A−02

Quad Channel Configuration

NCS21874, NCV21874

XXX

AYW

ECP5

CASE 971BE

N874

ALYWG

TSSOP−14 WB

CASE 948G

21872 ALYW

SOIC−8

CASE 751

N874 = Specific Device Code A = Assembly Location Y = Year W = Work Week M = Date Code G or G = Pb−Free Package

N874 = Specific Device Code A = Assembly Location L = Wafer Lot Y = Year W = Work Week G = Pb−Free Package

(Note: Microdot may be in either location)

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NCS21871, NCV21871, NCS21872, NCV21872, NCS21874, NCV21874

PIN CONNECTIONS

Single Channel Configuration

NCS21871, NCV21871

OUT

VSS

VDD

IN+

SOT23−5 / TSOP−5

Dual Channel Configuration

NCS21872, NCV21872

OUT 1

*The exposed pad of the UDFN8 package

can be floated or connected to VSS.

−

IN− 1

IN+ 1

VSS

UDFN8* / Micro8 / SOIC−8

IN−

IN+

VSS

IN−

SC70−5 / SC−88−5 / SOT−353−5

VDD

OUT 2

IN− 2

−

IN+ 2

OUT 1

IN− 1

IN+ 1

VDD

IN+ 2

IN− 2

OUT 2

VDD

OUT

VSS

OUT

Quad Channel Configuration

NCS21874, NCV21874

VDD

−

SOIC−14, TSSOP−14

C3 C1

A3 A1

ECP5 (Top View)

OUT 4

IN− 4

−

IN+ 4

VSS

IN+ 3

IN− 3

OUT 3

IN−

IN+

ORDERING INFORMATION

Temperature Channels Package Device Part Number Shipping

COMMERCIAL AND INDUSTRIAL

−40°C to 125°C

AUTOMOTIVE

−40°C to 125°C

†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging

Specifications Brochure, BRD8011/D.

*In Development. Contact local sales office for more information.

Single

Dual

Quad

Single

Dual

Quad

SOT23*5 / TSOP*5 NCS21871SN2T1G

SC70*5 / SC*88*5 /

SOT*353*5

ECP5 NCS21871FCTTAG*

MICRO*8 NCS21872DMR2G 4000 / Tape & Reel

SOIC−8 NCS21872DR2G

UDFN−8 NCS21872MUTBG*

SOIC−14 NCS21874DR2G

TSSOP−14 NCS21874DTBR2G

SOT23*5 / TSOP*5 NCV21871SN2T1G

SC70*5 / SC*88*5 /

SOT*353*5

MICRO*8 NCV21872DMR2G 4000 / Tape & Reel

SOIC−8 NCV21872DR2G 3000 / Tape & Reel

SOIC−14 NCV21874DR2G

TSSOP−14 NCV21874DTBR2G

NCS21871SQ3T2G

NCV21871SQ3T2G

3000 / Tape & Reel

2500 / Tape & Reel

3000 / Tape & Reel

2500 / Tape & Reel

†

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NCS21871, NCV21871, NCS21872, NCV21872, NCS21874, NCV21874

ABSOLUTE MAXIMUM RATINGS

Over operating free−air temperature, unless otherwise stated.

Parameter Rating Unit

Supply Voltage 6 V

INPUT AND OUTPUT PINS

Input Voltage (Note 1)

Input Current (Note 1) ±10 mA

Output Short Circuit Current (Note 2) Continuous

TEMPERATURE

Operating Temperature Range

Storage Temperature Range −65 to +150 °C

Junction Temperature +150 °C

ESD RATINGS (Note 3)

Human Body Model (HBM)

Charged Device Model (CDM) ±2000 V

OTHER RATINGS

Latch−up Current (Note 4)

MSL Level 1

Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected.

1. Input terminals are diode−clamped to the power−supply rails. Input signals that can swing more than 0.3 V beyond the supply rails should be current limited to 10 mA or less

2. Short−circuit to ground.

3. This device series incorporates ESD protection and is tested by the following methods:

ESD Human Body Model tested per JEDEC standard JS−001 (AEC−Q100−002) ESD Charged Device Model tested per JEDEC standard JESD22−C101 (AEC−Q100−011)

4. Latch−up Current tested per JEDEC standard: JESD78.

(VSS) − 0.3 to (VDD) + 0.3 V

−40 to +125 °C

±4000 V

100 mA

THERMAL INFORMATION (Note 5)

Parameter

Thermal Resistance, Junction to Ambient

5. As mounted on an 80x80x1.5 mm FR4 PCB with 650 mm2 and 2 oz (0.07 mm) thick copper heat spreader. Following JEDEC JESD/EIA 51.1,

51.2, 51.3 test guidelines

Symbol Package Value Unit

SOT23−5 / TSOP5 290

SC70−5 / SC−88−5 / SOT−353−5 290

ECP5 157

Micro8 / MSOP8 298

SOIC−8 250

UDFN8 228

SOIC−14 216

TSSOP−14 155

°C/W

RECOMMENDED OPERATING CONDITIONS

Parameter Symbol Range Unit

Supply Voltage (VDD − VSS) V

Specified Operating Temperature Range T

Input Common Mode Voltage Range V

Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond the Recommended Operating Ranges limits may affect device reliability.

1.8 to 5.5 V

−40 to 125 °C

VSS−0.1 to VDD+0.1 V

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NCS21871, NCV21871, NCS21872, NCV21872, NCS21874, NCV21874

ELECTRICAL CHARACTERISTICS: V

= +25°C, RL = 10 kW connected to midsupply, VCM = V

At T

Boldface limits apply over the specified operating temperature range, guaranteed by characterization and/or design.

Parameter

= 1.8 V to 5.5 V

= midsupply, unless otherwise noted.

OUT

Symbol Conditions Min Typ Max Unit

INPUT CHARACTERISTICS

Offset Voltage

Offset Voltage Drift vs Temp

Offset Voltage Drift vs Supply

DVOS/DT

DVOS/DV

VS = +5 V 6 45

VS = 5 V 0.1 0.4

mV/°C

TA = +25°C 0.4 8 mV/V

Full temperature range 12.6

Input Bias Current (Note 6)

Input Offset Current (Note 6)

Common Mode Rejection Ratio (Note 7)

CMRR

TA = +25°C ±60 ±400

Full temperature range +400

TA = +25°C ±50 ±800 pA

VS = 1.8 V 111

VS = 3.3 V 11 8

VS = 5.0 V 102 123

VS = 5.5 V 127

Input Capacitance C

Differential 4.1

Common Mode 7.9

OUTPUT CHARACTERISTICS

Open Loop Voltage Gain (Note 6)

Open Loop Output Impedance Z

Output Voltage High, Referenced to V

Output Voltage Low, Referenced to V

VOL

out−OL

VSS + 100 mV < VO < VDD − 100 mV 106 145 dB

See Figure 18

TA = +25°C 10 80

Full temperature range 80

TA = +25°C 10 80

Full temperature range 80

Sinking Current 11

Sourcing Current 5.0

Capacitive Load Drive C

See Figure 14

NOISE PERFORMANCE

Voltage Noise Density

Voltage Noise e

P−P

fIN = 1 kHz 62 nV / √Hz

fIN = 0.1 Hz to 10 Hz 1.1 mV

fIN = 0.01 Hz to 1 Hz 0.5

Current Noise Density i

fIN = 10 Hz 350 fA / √Hz

Channel Separation NCS21872, NCS21874 135 dB

DYNAMIC PERFORMANCE

Gain Bandwidth Product

GBWP CL = 100 pF

NCS21871, NCS21874 350

kHz

NCS21872 270

Gain Margin A

Phase Margin

Slew Rate SR

CL = 100 pF 18 dB

CL = 100 pF 55 °

G = 1, VDD = 5.5 V 0.1 V/ms

G = 1, VDD = 1.8 V 0.05

6. Guaranteed by characterization and/or design

7. Specified over the full common mode range: V

8. No load, per channel

− 0.1 < VCM < VDD + 0.1

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NCS21871, NCV21871, NCS21872, NCV21872, NCS21874, NCV21874

ELECTRICAL CHARACTERISTICS: V

= +25°C, RL = 10 kW connected to midsupply, VCM = V

At T

Boldface limits apply over the specified operating temperature range, guaranteed by characterization and/or design.

= 1.8 V to 5.5 V

= midsupply, unless otherwise noted.

OUT

Parameter UnitMaxTypMinConditionsSymbol

POWER SUPPLY

Power Supply Rejection Ratio

PSRR

TA = +25°C 106 130

Full temperature range 98

Turn−on Time t

Quiescent Current (Note 8)

VS = 5 V 100

1.8 V ≤ VS ≤ 3.3 V

3.3 V < VS ≤ 5.5 V

20 40 mA

28 45

6. Guaranteed by characterization and/or design

7. Specified over the full common mode range: V

8. No load, per channel

− 0.1 < VCM < VDD + 0.1

Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be indicated by the Electrical Characteristics if operated under different conditions.

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NCS21871, NCV21871, NCS21872, NCV21872, NCS21874, NCV21874

TYPICAL CHARACTERISTICS

120

100

GAIN (dB)

−20

−40

Figure 1. Open Loop Gain and Phase Margin

120

100

PSRR (dB)

Gain

CL = 100 pF R

= 10 kW

= 25°C

−PSRR

PHASE MARGIN (°)

120 110

100

90 80

70 60

CMRR (dB)

120

105

Phase Margin

FREQUENCY (Hz) FREQUENCY (Hz)

1M100k10k1k10010

Figure 2. CMRR vs. Frequency

vs. Frequency

TA = 25°C

+PSRR

−1

OUTPUT VOLTAGE (V)

−2

VDD = 2.75 V VSS = −2.75 V

TA = 25°C

1M100k10k1k10010

TA = −40 °C TA = 25 °C TA = 125 °C

0.8

0.6

0.4

0.2

−0.2

−0.4

OUTPUT VOLTAGE (V)

−0.6

−0.8

100k10k1k10010

FREQUENCY (Hz)

Figure 3. PSRR vs. Frequency

−1 0246810

OUTPUT CURRENT (mA)

TA = −40 °C TA = 25 °C TA = 125 °C

VDD = 0.9 V

VSS = −0.9 V

Figure 5. Output Voltage Swing vs. Output

Current at V

= 1.8 V

−3 0 2 4 6 8 1012141618

OUTPUT CURRENT (mA)

Figure 4. Output Voltage Swing vs. Output

Current at V

200

150

100

IB+

IB−

−50

−100

INPUT BIAS CURRENT (pA)

−150

−200

0 0.6 1.0 1.6 2.0

COMMON MODE VOLTAGE (V)

Figure 6. Input Bias Current vs. Common

= 5.5 V

Mode Voltage

TA = 25°C

= 1.8 V

1.81.41.20.80.40.2−0.2

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