OPA145 datasheet(9/40 Pages) TI1

Part #	OPA145

Description	High-Precision, Low-Noise, Rail-to-Rail Output, 5.5-MHz JFET Operational Amplifiers

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Manufacturer	TI1 [Texas Instruments]

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OPA145, OPA2145, OPA4145

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SBOS427 – JUNE 2017

Product Folder Links: OPA145 OPA2145 OPA4145

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Electrical Characteristics: VS = 4.5 V to 36 V; ±2.25 V to ±18 V (continued)

at TA = 25°C, RL = 2 kΩ connected to midsupply, and VCM = VOUT = midsupply (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

FREQUENCY RESPONSE

BW

Gain bandwidth product

G = 100

5.5

MHz

φM

Phase Margin

G = 1, CL = 10 pF

78

°

SR

Slew rate

20

V/μs

Settling time

12 bits

10-V Step, G = +1

1.6

μs

16 bits

10-V Step, G = +1

6

THD+N

Total harmonic distortion and noise

1 kHz, G = +1, VO = 3.5 VRMS

0.0001%

Overload recovery time

600

ns

OUTPUT

Linear output voltage swing range

RL = 10 kΩ, AOL ≥ 108 dB, TA =

–40°C to +125°C

(see Figure 24 and Figure 25)

(V–) + 0.1

(V+) – 0.1

V

RL = 2 kΩ, AOL ≥ 108 dB, TA =

–40°C to +125°C

(see Figure 24 and Figure 25)

(V–) + 0.3

(V+) – 0.3

VO

Voltage output swing from rail

RL = 10 kΩ

75

mV

RL = 10 kΩ, TA = –40°C to +125°C

90

RL = 2 kΩ

210

RL = 2 kΩ,TA = –40°C to +125°C

250

ISC

Short-circuit current

±20

mA

CLOAD

Capacitive load drive

See Figure 27

RO

Open-loop output impedance

f = 1 MHz, IO = 0 mA (see

Figure 26)

150

Ω

POWER SUPPLY

VS

Specified voltage range

±2.25

±18

V

IQ

Quiescent current (per amplifier)

IO = 0 mA

445

475

µA

TA = 0°C to +85°C

590

TA = –40°C to +125°C

655

TEMPERATURE RANGE

Specified

–40

125

°C

Operating

–55

150

°C

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