User guide

13 DS1057F1
4 Characteristics and Specifications
• Multi-mic noise reduction
• Single-mic noise reduction
• Audio detection and classification
• AEC, including path-change detection
• Nonlinear residual echo suppression
• Tx and Rx automatic level control
• Tx and Rx parametric EQ (with graphical interface)
• Rx automatic volume control
• Speaker out compander
• Double-talk detection
• Voice activity detection
• Tx and Rx comfort noise generation
4 Characteristics and Specifications
4.1 Absolute Maximum Ratings
GND = 0 V; all voltages with respect to ground.
WARNING: Operation at or beyond these limits can result in permanent damage to the device.
4.2 Recommended Operating Conditions
GND = 0 V, all voltages with respect to ground.
Parameters Symbol Min Max Units
DC Power Supply DSP Core/Memory/PLL
Serial/Control
VD, VPLL
VL
–0.3
–0.3
1.5
4.0
V
V
Input Current
1
1.Any pin except supplies. This value is characterized not tested.
I
in
—10mA
External Voltage Applied to Digital Input
2
2.The maximum over/under voltage is limited by the input current.
V
IND
–0.3 V
L
* 1.2 V
Storage Temperature T
stg
–65 +150 °C
Parameters Symbol Min Max Units
DCPower Supply
Core/Memory/PLL
1
1.VL must rise before or simultaneously with VD and VPLL.
VD, VPLL 0.90 1.32 V
I/O interface
1
VL 1.62 3.6 V
Ambient Temperature Commercial
Ambient Temperature Automotive
Junction Operating Temperature
T
A
0+70C
T
A
–40 +105 C
T
J
–40 +110 C
External Voltage Applied to Digital Input V
IND
–0.3 V
L
* 1.1 V