MAX9716EBL-T datasheet(4/19 Pages) MAXIM

Part #	MAX9716EBL-T

Description	Low-Cost, Mono, 1.4W BTL Audio Power Amplifiers

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Manufacturer	MAXIM [Maxim Integrated Products]

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Low-Cost, Mono, 1.4W BTL Audio Power

Amplifiers

4

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS—3V Supply (continued)

(VCC = 3V, GND = 0, SHDN = VCC, TA = +25°C. CBIAS = 1µF, RIN = RF = 20k

Ω (MAX9716/MAX9717A), IN+ = BIAS (MAX9716),

BTL/SE = GND (MAX9717_), RL =

∞ connected between OUT+ and OUT-. Typical values are at TA = +25°C.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Output Short-Circuit Current Limit

ISC

(Note 9)

1.1

A

Thermal Shutdown Threshold

+160

°C

Thermal Shutdown Hysteresis

15

°C

250

Power-Up/Enable from Shutdown

Time (Note 10)

tPU

CBIAS = 0.1µF

25

ms

Shutdown Time

tSHDN

5µs

Input Resistance

RIN

MAX9717B/C/D

12

20

28

k

Ω

Note 1: Continuous power dissipation must also be observed.

Note 2: All specifications are tested at TA = +25°C. Specifications over temperature (TA = TMIN to TMAX) are not production tested,

and guaranteed by design.

Note 3: Quiescent power-supply current is specified and tested with no load. Quiescent power-supply current depends on the off-

set voltage when a practical load is connected to the amplifier.

Note 4: Common-mode bias voltage is the voltage on BIAS and is nominally VCC/2.

Note 5: VOS = VOUT+ - VOUT-.

Note 6: The amplifier input IN- is AC-coupled to GND through CIN.

Note 7: Output power is specified by a combination of a functional output current test and characterization analysis.

Note 8: Measurement bandwidth for THD+N is 22Hz to 22kHz.

Note 9: Extended short-circuit conditions result in a pulsed output.

Note 10: Time for VOUT to rise to 50% of final DC value.

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