STW5098 Datasheet, PDF (62/85 Pages) STMicroelectronics – Dual low power asynchronous stereo audio Codec with integrated power amplifiers

Electrical characteristics
10 Electrical characteristics
STw5098
Unless otherwise specified, V_CCIO = 1.71V to 2.7V, T_amb = -30°C to 85°C; typical
characteristic are specified at V_CCIO = 2.0V, T_amb = 25°C; all signals are referenced to GND.
10.1 Digital interfaces
Table 39. Digital interfaces specifications
Symbol
Parameter
Test conditions
Min.
All digital inputs
DC
V_IL
Input low voltage
AC
All digital inputs,
V_IH
Input high voltage
DC 0.7•V_CCIO
AC 0.8•V_CCIO
V_OL
Output low voltage
All digital outputs I_L = 10µA
I_L = 2µA
V_OH
Output high voltage
All digital outputs
I_L = 10µA V_CCIO-0.1
I_L = 2µA V_CCIO-0.4
I_IL
Input low current
Any digital input,
-1
GND < V_IN < V_IL
I_IH
Input high current
Any digital input,
-1
V_IH < V_IN < V_CCIO
Output current in
I_OZ
high impedance
(Tristate)
Tristate outputs
-1
Typ.
Note:
See Figure 13: A.C. testing input-output waveform on page 58.
Max.
0.3• V_CCIO
0.2• V_CCIO
0.1
0.4
Unit
V
V
V
V
V
V
V
V
1
µA
1
µA
1
µA
10.2 AMCK with sinusoid input
Table 40. AMCK with sinusoid input specifications
Symbol
Parameter
Test conditions
C_AMCK
V_AMCK
Minimum External
Capacitance
AMCK sinusoidal voltage
swing
AMCKSIN=1, see CR30
AMCKSIN=1, see CR30
Min.
100
0.5
Typ.
Max.
Unit
pF
V_CCIO
V_PP
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