TS487-2 datasheet(6/31 Pages) STMICROELECTRONICS

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TS486-TS487

6/31

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 TS486, RL=32Ω

No input signal, VSTANDBY=Vcc for TS487, RL=32Ω

1000

VIO

Input Offset Voltage (VICM = VCC/2)

1mV

IIB

Input Bias Current (VICM = VCC/2)

Only for external gain version.

200

Output Power

THD+N = 0.1% Max, F = 1kHz, RL = 32Ω

THD+N = 1% Max, F = 1kHz, RL = 32Ω

THD+N = 0.1% Max, F = 1kHz, RL = 16Ω

THD+N = 1% Max, F = 1kHz, RL = 16Ω

12.5

17.5

THD + N

Total Harmonic Distortion + Noise (Av=-1)

RL = 32Ω, Pout = 10mW, 20Hz ≤ F ≤ 20kHz

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

0.3

PSRR

Power Supply Rejection Ratio, inputs grounded 3)

(Av=-1), RL>=16Ω, CB=1µF, F = 1kHz, Vripple = 200mVpp

Guaranteed by design and evaluation.

Max Output Current

THD +N

≤ 1%, R

L = 16Ω connected between out and VCC/2

Output Swing

VOL : RL = 32Ω

VOH : RL = 32Ω

VOL : RL = 16Ω

VOH : RL = 16Ω

2.14

1.97

0.25

2.25

0.35

2.15

0.32

0.45

SNR

Signal-to-Noise Ratio (A weighted, Av=-1)

(RL = 32Ω, THD +N < 0.4%, 20Hz ≤ F ≤ 20kHz)

Crosstalk

Channel Separation, RL = 32Ω, Av=-1

F = 1kHz

F = 20Hz to 20kHz

Channel Separation, RL = 16Ω, Av=-1

F = 1kHz

F = 20Hz to 20kHz

Input Capacitance

GBP

Gain Bandwidth Product (RL = 32Ω)

1.1

MHz

Slew Rate, Unity Gain Inverting (RL = 16Ω)

0.4

V/µs

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