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SYMBOL
VCTWBAM1
PARAMETER
DC voltage coefficient
VO
DC output voltage
AM WIDEBAND AVERAGE DETECTOR TIME CONSTANT
Ich(TWBAM1)
Idch(TWBAM1)
TWBAM1 charge current
TWBAM1 discharge current
Ultrasonic noise average detector (TUSN1); see Fig.5
VTUSN1
DC voltage at TUSN1 with respect to
AGND
VCTUSN1
DC voltage coefficient
VO
DC output voltage
ULTRASONIC NOISE AVERAGE DETECTOR TIME CONSTANT
Ich(TUSN1)
Idch(TUSN1)
TUSN1 charge current
TUSN1 discharge current
CONDITIONS
MIN.
VLEVEL(AC) = 400 mV; VLEVEL(DC) = 3.5 V; fi = 24 kHz;
write mode; note 8; data byte 1, bits 4 and 5:
AWS1 = 1; AWS0 = 1
0.69
AWS1 = 1; AWS0 = 0
0.60
AWS1 = 0; AWS0 = 1
0.50
AWS1 = 0; AWS0 = 0
0.40
1.5
TYP.
0.82
0.72
0.60
0.47
−
MAX. UNIT
0.98
0.86
0.71
0.56
5.5 V
−19.5 −15
11.5 15
−11.5 µA
19.5 µA
VMPXRDS(AC) = 350 mV; VLEVEL(DC) = 3.5 V;
fi = 80 kHz; write mode; data byte 1, bits 6 and 7:
USS1 = 1; USS0 = 1
USS1 = 1; USS0 = 0
USS1 = 0; USS0 = 1
USS1 = 0; USS0 = 0
VMPXRDS(AC) = 350 mV; VLEVEL(DC) = 3.5 V;
fi = 80 kHz; write mode; note 9; data byte 1,
bits 6 and 7:
USS1 = 1; USS0 = 1
USS1 = 1; USS0 = 0
USS1 = 0; USS0 = 1
USS1 = 0; USS0 = 0
−
4.25 −
V
−
4.00 −
V
−
3.50 −
V
−
2.60 −
V
0.71 0.85 1.00
0.67 0.80 0.95
0.60 0.70 0.85
0.44 0.52 0.62
1.5 −
5.5 V
−19.5 −15
11.5 15
−11.5 µA
19.5 µA