THS4521 datasheet(6/51 Pages) TI

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7.5 Electrical Characteristics: VS+ – VS– = 5 V to 12 V

at TA ≈ 25°C, VOCM(1) = midsupply, differential output (VO) = VOUT+ – VOUT– = 2 VPP, RF = 1.5 kΩ, RL = 1 kΩ, 50-Ω input

match, differential closed-loop gain (G) = 1 V/V, single-ended input (SE-in), differential output (diff-out), and input and output

referenced to midsupply for AC-coupled tests (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

AC PERFORMANCE

SSBW

Small-signal bandwidth

VS = 5 V, VO = 200 mVPP, 2-dB peaking

MHz

VS = 5 V, VO = 200 mVPP

G = 2 V/V

G = 5 V/V

12.5

G = 10 V/V

6.3

GBWP

Gain-bandwidth product

VO = 200 mVPP, G = 20 V/V, RF = 10 kΩ

MHz

LSBW

Large-signal bandwidth

VO = 4 VPP

MHz

Bandwidth for 0.1-dB flatness

MHz

Slew rate (20% – 80%)

VS = 5 V, VO = 2-V step

Rising

325

V/µs

Falling

230

V/µs

Overshoot and undershoot

VO = 2-V step,

input tr = 10 ns

VS = 12 V

VS = 5 V

11%

0.1% settling time

VO = 2-V step, input tr = 10 ns

0.01% settling time

VO = 2-V step, input tr = 10 ns

Rise and fall time (10% – 90%)

VO = 100-mV step, input tr = 2 ns

5.7

HD2

Second-order harmonic distortion

VS = 5 V, f = 100 kHz

Vo = 2 VPP

–117

dBc

Vo = 8 VPP

–110

HD3

Third-order harmonic distortion

VS = 5 V, f = 100 kHz

Vo = 2 VPP

–124

Vo = 8 VPP

–106

Input differential voltage noise

f ≥ 500 Hz

nV/√Hz

1/f corner

Input current noise, each input

f ≥ 50 kHz

0.35

pA/√Hz

Overdrive recovery time

VS = 5 V, G = 2 V/V,

2x output overdrive, dc-coupled

210

ZOUT

Closed-loop output impedance

f = 100 kHz (differential)

0.06

DC PERFORMANCE

AOL

Open-loop voltage gain

Vo = ±2 V

104

115

VOS

Input offset voltage

TA = 25°C

–250

±50

250

µV

Input offset voltage drift

TA = 0°C to 85°C,

TA = –40°C to 125°C

–4

±0.5

µV/°C

IB+, IB–

Input bias current(3)

TA = 25°C

370

600

Input bias current drift

TA = –40°C to 125°C

4.1

nA/°C

IOS

Input offset current(4)

TA = 25°C

–20

±2

Input offset current drift

TA = –40°C to 125°C

–200

±40

200

pA/°C

INPUT

VICML

Common-mode input low

TA = –40°C to 125°C, 3-dB AOL

degradation from midsupply VOCM AOL

VS– – 0.1

VS–

VICMH

Common-mode input high

3-dB AOL degradation

from midsupply

VOCM AOL

TA = 25°C

VS+ – 1.2

VS+ – 1.1

TA = –40°C to

125°C

VS+ – 1.35

VS+ – 1.2

CMRR

Common-mode rejection ratio

Midsupply inputs

110

Midsupply inputs, TA = –40°C to 125°C

108

Differential input impedance

Inputs at midsupply

150 || 2.4

kΩ || pF

THS4561

SBOS874C – AUGUST 2017 – REVISED DECEMBER 2020

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