TS4890 datasheet(12/46 Pages) STMICROELECTRONICS

12 / 46 page

Electrical characteristics

TS4890

12/46

DocID8396 Rev 7

Standby mode is active when Vstdby is tied to GND.

Dynamic measurements - 20*log(RMS(Vout)/RMS(Vripple)). Vripple is the superimposed sinus signal to VCC

@ f = 217 Hz.

Table 8. Electrical characteristics (VCC= +2.2 V, GND= 0 V, Tamb = 25 °C, unless

otherwise specified)

Symbol

Parameter

Min.

Typ.

Max.

Unit

ICC

Supply current

no input signal, no load

ISTANDBY

Standby current (1), no input signal,

Vstdby = GND, RL = 8 Ω

Standby mode is active when Vstdby is tied to GND.

1000

Voo

Output offset voltage

no input signal, RL = 8 Ω

520

Output power

THD = 1% max., f = 1 kHz, RL = 8 Ω

180

THD + N

Total harmonic distortion + noise

Po = 200 mW RMS, Gv = 2,

20 Hz < f < 20 kHz, RL = 8 Ω

0.15

PSRR

Power supply rejection ratio (2)

f = 217 Hz, RL = 8 Ω, RFeed = 22 kΩ,

Vripple = 100 mV RMS

Dynamic measurements - 20*log(RMS(Vout)/RMS(Vripple)). Vripple is the superimposed sinus signal to VCC

@ f = 217 Hz.

Phase margin at unity gain

RL = 8 Ω, CL = 500 pF

Degrees

Gain margin

RL = 8 Ω, CL = 500 pF

GBP

Gain bandwidth product

RL = 8 Ω

2MHz

TS4890 数据表(PDF) 12 Page - STMicroelectronics

TS4890 数据表(HTML) 12 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46

数据表下载