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AS3418 Datasheet(PDF) 10 Page - ams AG

Part # AS3418
Description  Low Noise ANC Solution
PDF  77 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3418 Datasheet(HTML) 10 Page - ams AG

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AS3418
Electrical Characteristics
Datasheet
• PUBLIC
DS000507
• v4-00 • 2020-Jan-23
77
│ 10
5
Electrical Characteristics
VBAT = 1.4V to 1.8V, TA = -20ºC to 85ºC. Typical values are at VBAT = 1.6V, TA = 25ºC, unless
otherwise specified. All limits are guaranteed. The parameters with Min and Max values are
guaranteed with production tests or SQC (Statistical Quality Control) methods.
Figure 6:
Electrical Characteristics of AS3418
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
TA
Ambient Temperature
Range
-20
85
°C
Supply Voltages
GND
Reference Ground
0
0
V
VBAT
Battery Supply Voltage
Normal Operation
1.4
1.6
1.8
V
VNEG
Charge Pump Voltage
-1.8
-1.2
V
VDELTA
Difference of Ground
Supplies GND, AGND
To achieve good performance, the
negative supply terminals should be
connected to a low impedance ground
plane.
-0.1
0.1
V
Other Pins
VMICS
Microphone Supply Voltage
Applicable to MICS pin
0
3.6
V
VANALOG
Analog Pins
MICACL, MICACR,LINR, LINL, HPR,
HPL, QMICL, QMICR, IOP1x, and
QOP1x
VNEG
VBAT
V
VCONTROL
Control Pins
Applicable to MODE/CSCL and
ANC/CSDA pins
0
3.7
V
VCP
Charge Pump Pins
Applicable to CPN and CPP pins
VNEG
VBAT
V
VTRIM
Application Trim Pins
Applicable to TRSCL and TRSDA pins
VNEG -
0.3
or -1.8
VBAT
+0.5
or 1.8
V
VBYP
Bypass Pins
Applicable to BPR and BPL pins
VNEG -
0.3
or -1.8
VBAT
+0.5
or 1.8
V
VMIC
Microphone Inputs
Applicable to MICL and MICR pins.
VNEG
VBAT
V
Block Power Requirements
IOFF
Off mode current
MODE/CSCL pin low, device switched off
1
5
µA
ISYS
Reference supply current
VBAT = 1.8V; Bias generation, oscillator,
POR and VNEG
1.45
mA
VBAT = 1.4V; Bias generation, oscillator,
POR and VNEG
1
mA
IMIC
Microphone gain stage
current
VBAT = 1.8V; no signal, stereo, High
quality mode
0.97
mA
VBAT = 1.8V; no signal, stereo, ECO
mode
0.68
mA
VBAT = 1.4V; no signal, stereo, High
quality mode
0.92
mA



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