TLV9042IDDFR datasheet(7/28 Pages) TI1

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TLV9042

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SBOS836 – MARCH 2020

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Electrical Characteristics (continued)

For VS = (V+) – (V–) = 1.2 V to 5.5 V (±0.6 V to ±2.75 V) at TA = 25°C, RL = 100 kΩ connected to VS / 2, VCM = VS / 2, and

VOUT = VS / 2, unless otherwise noted.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

(1)

Disable time (tOFF) and enable time (tON) are defined as the time interval between the 50% point of the signal applied to the SHDN pin

and the point at which the output voltage reaches the 10% (disable) or 90% (enable) level.

(2)

Full shutdown refers to the dual TLV9042S having both channels 1 and 2 disabled (SHDN1 = SHDN2 = V–) and the quad TLV9044S

having all channels 1 to 4 disabled (SHDN12 = SHDN34 = V–). For partial shutdown, only one SHDN pin is exercised; in this mode, the

internal biasing circuitry remains operational and the enable time is shorter.

Voltage output swing

from rail

Positive rail headroom

VS = 1.2 V, RL =

100 k

Ω

1.32

VS = 5.5 V, RL =

10 k

Ω

VS = 5.5 V, RL =

100 k

Ω

Negative rail headroom

VS = 1.2 V, RL

= 100 k

Ω

1.03

1.35

VS = 5.5 V, RL =

10 k

Ω

VS = 5.5 V, RL =

100 k

Ω

ISC

Short-circuit current

VS = 5.5 V

±40

POWER SUPPLY

Quiescent current per

amplifier

VS = 5.5 V, IO = 0 A

µA

TA = –40°C to

125°C

Turn-on time

At TA = 25°C, VS = 5.5 V, VS ramp rate > 0.3 V/µs

125

μs

SHUTDOWN

IQSD

Quiescent current per

amplifier

All amplifiers disabled, SHDN = V–

0.3

1.5

µA

ZSHDN

Output impedance

during shutdown

Amplifier disabled

43 || 11.5

GΩ || pF

VIH

Logic high threshold

voltage (amplifier

enabled)

(V–) + 1 V

VIL

Logic low threshold

voltage (amplifier

disabled)

(V–) + 0.2

tON

Amplifier enable time

(full shutdown) (1) (2)

G = +1, VCM = V–, VO = 0.1 × VS / 2

160

µs

Amplifier enable time

(partial shutdown)

(1) (2)

G = +1, VCM = V–, VO = 0.1 × VS / 2

120

tOFF

Amplifier disable time

(1)

VCM = V–, VO = VS / 2

µs

SHDN pin input bias

current (per pin)

(V+)

≥ SHDN ≥ (V–) + 1 V

100

(V–)

≤ SHDN ≤ (V–) + 0.2 V

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