STA382BWSTR datasheet(25/172 Pages) STMICROELECTRONICS

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STA382BWS

Electrical specifications

Doc ID 022784 Rev 1

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Figure 3.

Test circuit

3.6

Electrical specifications for the analog section

The specifications given in this section are valid for the operating conditions:

f= 1 kHz, Tamb = 25 °C, VDD3V3 = 3.3 V, RLine= 5 kΩ, RHp = 32 Ω, unless otherwise specified.

Table 8.

Electrical specifications for the analog section

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Vout

Output voltage for line out

Gv = 2.5, THD < 1%, Rload = 5 kΩ

1.9

2.1

Vrms

Pout

Output voltage for HP out

THD+N = 10%, Gv = 2.5, Rload = 32 Ω

Dynamic range for line out

Vout = 2 VRMS, Fin = 200 Hz,

Vin = 0.8 mV (-60 dBFs)

100

X-Talk

Channel separation for line out

Vout = 2 Vrms, Gv = 2.5

PSRR

Power supply rejection ratio

HP mode, P0 = 15 mW

Line out mode, VOut = 2 Vrms

Rin

Line input resistance

30(1)

Refer to 8.2: Headphone and 2 Vrms line out, Figure 47: Headphone and line out block diagram, Rin = R1

THD+N Total harmonic distortion + noise

HP mode, Vout = 200 mVRMS, Gv = 2.5

0.03

Line out mode, VOut = 0.2 Vrms, Gv = 2.5

0.03

Obsolete

Product(s)

- Obsolete

Product(s)

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