THS4521 datasheet(8/51 Pages) TI

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

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

POWER SUPPLY

Specified operating voltage

2.85

12.6

Quiescent current

VS = 2.85 V, no load, TA = 25°C

710

760

810

µA

VS = 5 V, no load, TA = 25°C

725

775

825

VS = 5 V, no load,

TA = –40°C to 125°C

700

900

VS = 12 V, no load, TA = 25°C

770

825

880

VS = 12 V, no load,

TA = –40°C to 125°C

740

1000

Quiescent current drift

No load, TA = –40°C to 125°C

0.7

1.3

µA/°C

PSRR

Power-supply rejection ratio

Either supply to input VOS

110

POWER DOWN

VEN

Enable voltage threshold

PD = VEN, guaranteed on above

VS+ – 1.2

VS+ – 0.5

VDIS

Disable voltage threshold

PD = VDIS, guaranteed off below

VS+ – 1.7

VS+ – 1.8

PD pin bias current

PD = VS+ – 0.5 V (amplifier enabled)

1.2

3.5

µA

PD pin bias current

PD = VS– (amplifier disabled)

–3

–1.9

µA

Peak PD pull-down bias current

Switch amplifier on to off

175

µA

Power-down quiescent current

No load

µA

Turnon time delay

Time from PD = high to VO = 90%

of final value

600

Turnoff time delay

Time from PD = low to VO = 10%

of original value

1.5

µs

(1)

VOCM refers to the voltage at VOCM pin. VOCM = [(VOUT+ + VOUT–)/2] refers to the average output voltage.

(2)

Average of the rising and falling slew rate.

(3)

Current out of the node is considered positive.

(4)

IOS = IB+ – IB–.

THS4561

SBOS874C – AUGUST 2017 – REVISED DECEMBER 2020

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