BelaSigna 200
11.0 Electrical Characteristics
11.1 Absolute Maximum Ratings
Table 10: Absolute Maximum Ratings
Parameter
Min.
Max.
2.0
Unit
V
Supply voltage
Operating temperature range2
Storage temperature range
Voltage at any input pin
-40
-55
-0.3
85
°C
°C
V
125
2.1
Caution: Class 2 ESD sensitivity, JESD22-A114-B (2000V)
11.2 Electrical Characteristics
Conditions: Temperature = 25°C, fSYS_CLK = 1.28MHz (internal), fMCLK = 1.28MHz, fSAMP = 16kHz, Vbat = 1.8V
Table 11: Electrical Characteristics
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Overall (1µF VBAT external capacitor)
Supply voltage
Vbat
Ibat
1.03
1.25
650
1.8
V
Current consumption4
VREG (1µF external capacitor)
Regulated output
PSRR
Vbat = 1.8V
μA
VREG
Ireg
unloaded
@ 1kHz
0.9
35
1.0
50
1.1
V
dB
Load current
2
18
5
mA
Load regulation
12
2
mV/mA
mV/V
Line regulation
VDBL (1µF external capacitor)
Regulated output
PSRR
VDBL
Ireg
1.8
2.0
45
2.2
V
dB
@ 1kHz
Load current
2
200
8
mA
Charge pump cap
= 100nF
Load regulation
130
5
mV/mA
mV/V
Line regulation
VDDC (1µF external capacitor)
HV output
HV
HV mode
Vbat
V
2 Audio performance parameters may degrade outside the range of 0 to 70 degrees C. Internal oscillator speed will vary with temperature
3 Device will operate down to 0.9V but with degraded system specifications
4 DSP core active; single channel; direct digital output enabled and connected to 100kΩ resistance
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