TLV914X datasheet(9/46 Pages) TI

9 / 46 page

For VS = (V+) – (V–) = 2.7V to 18V (±1.35V to ±9V) at TA = 25°C, RL = 10kΩ connected to VS / 2, VCM = VS / 2, and VOUT =

VS / 2, unless otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

OPEN-LOOP GAIN

AOL

Open-loop voltage gain

VS = 18V, VCM = V–,

(V–) + 0.1V < VO < (V+) – 0.1V

110

135

TA = –40°C to 125°C

125

VS = 5V, VCM = V–,

(V–) + 0.1V < VO < (V+) – 0.1V

105

130

TA = –40°C to 125°C

125

VS = 2.7V, VCM = V–,

(V–) + 0.1V < VO < (V+) – 0.1V(1)

100

120

TA = –40°C to 125°C

115

FREQUENCY RESPONSE

GBW

Gain-bandwidth product

RL = 1MΩ

125

kHz

Slew rate

VS = 18V, G = +1, CL = 20pF

0.1

V/µs

Settling time

To 0.01%, VS = 18V, VSTEP = 10V , G = +1, CL = 20pF

135

µs

To 0.01%, VS = 18V, VSTEP = 2V , G = +1, CL = 20pF

To 0.1%, VS = 18V, VSTEP = 10V , G = +1, CL = 20pF

121

To 0.1%, VS = 18V, VSTEP = 2V , G = +1, CL = 20pF

Phase margin

G = +1, RL = 100kΩ, CL = 100pF

toverload

Overload recovery time

VIN × gain > VS

µs

THD+N

Total harmonic distortion

+ noise (3)

VS = 18V, VO = 1VRMS, G = 1, f = 1kHz, RL = 1MΩ

0.07

VS = 18V, VO = 1VRMS, G = 1, f = 1kHz, RL = 100kΩ

0.02

OUTPUT

Voltage output swing from

rail

Positive and negative rail headroom

VS = 18V, RL = no load(1)

VS = 18V, RL = 10kΩ

VS = 18V, RL = 2kΩ

266

300

VS = 2.7V, RL = no load(1)

VS = 2.7V, RL = 10kΩ

VS = 2.7V, RL = 2kΩ

ISC

Short-circuit current

±40

CLOAD

Capacitive load drive

See Phase Margin vs Capacitive

Load

Open-loop output

impedance

IO = 0A

See Open-Loop Output Impedance

vs Frequency

Ω

POWER SUPPLY

Quiescent current per

amplifier

VCM = V–, IO = 0A

µA

TA = –40°C to 125°C

9.5

(1)

Max value is specified by characterization only.

(2)

Input differential voltages greater than 2.5V can cause increased IB.

(3)

Third-order filter; bandwidth = 80kHz at –3 dB.

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