OPA837IDBVR2 datasheet(7/64 Pages) TI2

7 / 64 page

OPA837, OPA2837

www.ti.com

SBOS673D – SEPTEMBER 2017 – REVISED DECEMBER 2018

Product Folder Links: OPA837 OPA2837

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(1)

Test levels (all values set by characterization and simulation): (A) 100% tested at 25°C, overtemperature limits by characterization and

simulation; (B) Not tested in production, limits set by characterization and simulation; (C) Typical value only for information.

(2)

This slew rate is the average of the rising and falling time estimated from the large-signal bandwidth as: (0.8 × VPEAK / √2) × 2π × f–3dB

where this f–3dB is the typical measured 2-VPP bandwidth at gains of 1 V/V.

(3)

Input offset voltage drift, input bias current drift, and input offset current drift are average values calculated by taking data at the end

points, computing the difference, and dividing by the temperature range. Typical drift specifications are ±1sigma. Maximum drift

specifications are set by min/max sample packaged test data using a wafer-level screened drift. Min/Max drift is not specified by final

automated test equipment (ATE) nor by QA sample testing.

(4)

Current is considered positive out of the pin.

6.6 Electrical Characteristics: VS = 5 V

at VS+ = 5 V, VS– = 0 V, RF = 0 Ω, RL = 2 kΩ, G = 1 V/V, input and output referenced to mid-supply, and TA ≈ 25°C (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TEST

LEVEL(1)

AC PERFORMANCE

SSBW

Small-signal bandwidth

VOUT = 20 mVPP, G = 1

105

MHz

VOUT = 20 mVPP, G = 2

VOUT = 20 mVPP, G = 10

GBP

Gain-bandwidth product

VOUT = 20 mVPP, G = 10

MHz

LSBW

Large-signal bandwidth

VOUT = 2 VPP, G = 2

MHz

Bandwidth for 0.1-dB flatness

VOUT = 200 mVPP, G = 2

MHz

Slew rate

From LSBW(2)

105

V/µs

tR, tF

Rise, fall time

VOUT = 0.5-V step, G = 2, input tR = 10 ns

Overshoot

VOUT = 2-V step, G = 2, input tR = 40 ns

7.0%

Settling time to 0.1%

VOUT = 2.0-V step, G = 1, input tR = 4 ns

Settling time to 0.01%

VOUT = 2.0-V step, G = 1, input tR = 4 ns

HD2

Second-order harmonic distortion

f = 100 kHz, VO = 2 VPP, G = 1 (see Figure 73)

–120

dBc

HD3

Third-order harmonic distortion

f = 100 kHz, VO = 2 VPP, G = 1 (see Figure 73)

–145

dBc

Input voltage noise

f = 500 Hz

4.7

nV/

√Hz

Voltage noise 1/f corner frequency See Figure 39

Input current noise

f = 20 kHz

0.4

pA/

√Hz

Current noise 1/f corner frequency

See Figure 39

kHz

Overdrive recovery time

G = 2, 2x output overdrive (see Figure 30)

Closed-loop output impedance

f = 1 MHz, G = 1 (see Figure 38)

0.14

Channel-to-channel crosstalk

(OPA2837)

f = 10 kHz

-126

dBc

DC PERFORMANCE

AOL

Open-loop voltage gain

VO = ±2 V, RL = 2 kΩ

120

135

Input-referred offset voltage

TA ≈ 25°C

–165

±30

165

µV

TA = 0°C to +70°C (DCK package)

–205

±30

235

TA = –40°C to +85°C (DCK package)

–269

±30

261

TA = –40°C to +125°C (DCK package)

–269

±30

325

Input offset voltage drift(3)

DCK package, TA = –40°C to +125°C

–1.6

±0.4

1.6

µV/°C

DBV, RUN package, TA = –40°C to +125°C

–2.0

±0.4

2.0

DGK package, TA = –40°C to +125°C

±0.67

Input bias current(4)

TA ≈ 25°C

150

340

520

TA = 0°C to +70°C

340

664

TA = –40°C to +85°C

340

718

TA = –40°C to +125°C

340

850

Input bias current drift(3)

TA = –40°C to +125°C

0.8

1.5

3.3

nA/°C

Input offset current

TA ≈ 25°C (OPA837)

–40

±6

TA = 0°C to +70°C

–46

±6

TA = –40°C to +85°C

–56

±6

TA = –40°C to +125°C

–56

±6

TA ≈ 25°C (OPA2837)

-60

±8

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