ACE9040
ELECTRICAL CHARACTERISTICS
These characteristics are guaranteed over the following conditions unless otherwise stated (Note 1):
TAMB = – 40 °C to + 85 °C, VDD = 3.6 V to 5.0 V
Characteristic
Handsfree Rectifiers
Attack time
Decay time
TX nominal output levels:
d.c. offset
a.c. level
RX nominal output levels:
d.c. offset
a.c. level
Voltage Outputs
DEC & BIAS output voltage
Microphone Bias:
Source 1 mA
Sink 1 mA
Microphone disabled
External Reference Resistor
connected from pin RREF to GND
Bandgap at BGAP
LVN Supply Voltage Comparator
VDD = 3.6 V
VDD = 3.1 V
LVN comparator operating lower limit
of VDD
Min.
0.3
1.4
Value
Typ.
1
35
1.5
Max.
0.5
1.6
0.3
0.5
1
1.1
1.2
1.70 (VDD-VSS)/2 1.9
2.7
2.9
2.7
2.9
– 0.1
0.10
100
68
1.10
1.35
– 10
10
2.00
20.0
1
Unit
Conditions
ms Capacitors to GND =
ms 68 nF at TXC & RXC pins
VDD = 3.75 V
V Input at IPS = 0 mVrms
V Input at IPS = 40 mVrms, 1 kHz
INPSENSE = 0 dB, HFS = 0
HFP = 1
VDD = 3.75 V
V Input at HFGIN = 0 mVrms
V Input at HFGIN = 100 mVrms, 1 kHz
HFS =1, HFP = 1
V
VDD = 3.6 V, 3.3 µF decoupling to
GND at DEC pin
V
MLI = 0, MIS = 1, VDD = 3.6 V
V MLI = 0, MIS = 1, PD = 0
V MLI = 0, MIS = 0
kΩ VDD = 4.85 V
kΩ VDD = 3.75 V
V
Default condition
µA (high at VDD – 0.2 V)
mA (low at 0.4 V)
V
11