TS4657IQT datasheet(7/26 Pages) STMICROELECTRONICS

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TS4657

Electrical characteristics

7/26

3.3

DAC and output stage performances

Table 5.

VCC = 3.0 V to Vcc = 5.5 V, Rload = 10 kΩ Cload = 100 pF, T = 25° C

(unless otherwise specified)

Symbol

Parameter

Min.

Typ.

Max.

Unit

Operating conditions

Audio data input format

bits

Sampling frequency

kHz

Load resistor

Load capacitance

100

150

Digital input characteristics

VIL

Low-level input voltage

0.8

VIH

High-level input voltage

Dynamic parameters

VoutRMS

Full-scale output voltage swing

Vin at 0 dBFS; RL

≥ R

Lmin; CL=100 pF

2.1

2.2

Vrms

Table 6.

VCC = 3.3 V, Rload = 10 kΩ Cload = 100 pF, T = 25° C (unless otherwise specified)

Symbol

Parameter

Min.

Typ.

Max.

Unit

Dynamic parameters

Dynamic range. A-weighted

16-bit data; Vin at -60 dBFS, FS =48kHz, Fin = 1 kHz

SNR

Signal-to-noise ratio, FS =48 kHz, Fin = 1 kHz, referred to

output

Vin at -6 dBFS; A-weighted, 18-bit data input

Vin at -6 dBFS; unweighted, 18-bit data input

Vin at 0 dBFS; A-weighted, 16-bit data input

94.5

92.5

THD+N

Total harmonic distortion and noise. Fin = 1 kHz

Vin at -20 dBFS, 18-bit data input

Vin at -6 dBFS, 18-bit data input

Vin at 0 dBFS, 16-bit data input

PSRR

Power supply rejection ratio, Vripple = 200 mVpp

F= 217 Hz

F= 1 kHz

20 Hz < F < 20 kHz

LRiso

Channel separation. 1 kHz, Vin at 0 dBFS

100

Voo

Output offset voltage

-20

Gain channel balance

-0.2

0.01

0.2

twu

Wake-up time

4.5

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