TS419 datasheet(6/32 Pages) STMICROELECTRONICS

6 / 32 page

TS419-TS421

6/32

ELECTRICAL CHARACTERISTICS

CC = +2.5V, GND = 0V, Tamb = 25°C (unless otherwise specified)

All electrical values are guaranted with correlation measurements at 2V and 5V

Symbol

Parameter

Min.

Typ.

Max.

Unit

ICC

Supply Current

No input signal, no load

1.7

2.5

ISTANDBY

Standby Current

No input signal, VSTANDBY=GND for TS421

No input signal, VSTANDBY=Vcc for TS419

1000

Voo

Output Offset Voltage

No input signal, RL = 16 or 32

Ω, Rfeed=20kΩ

525

Output Power

THD+N = 0.1% Max, F = 1kHz, RL = 32Ω

THD+N =

1% Max, F = 1kHz, RL = 32Ω

THD+N = 10% Max, F = 1kHz, RL = 32Ω

THD+N = 0.1% Max, F = 1kHz, RL = 16Ω

THD+N =

1% Max, F = 1kHz, RL = 16Ω

THD+N = 10% Max, F = 1kHz, RL = 16Ω

THD + N

Total Harmonic Distortion + Noise (Av=2)

RL = 32Ω, Pout = 30mW, 20Hz ≤ F ≤ 20kHz

RL = 16Ω, Pout = 40mW, 20Hz ≤ F ≤ 20kHz

0.15

0.2

PSRR

Power Supply Rejection Ratio (Av=2)

inputs grounded, F = 1kHz

, Vripple = 200mVpp, Cb=1µF

SNR

Signal-to-Noise Ratio (Weighted A, Av=2)

(RL = 32Ω, THD +N < 0.5%, 20Hz ≤ F ≤ 20kHz)

Phase Margin at Unity Gain

RL = 16Ω, CL = 400pF

Degrees

Gain Margin

RL = 16Ω, CL = 400pF

GBP

Gain Bandwidth Product

RL = 16Ω

1.1

MHz

Slew Rate

RL = 16Ω

0.4

µS

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