Datasheet > AS1716_V2

AS1716_V2

更新时间： 2022-10-11 11:50:58

品牌	Logo	应用领域
艾迈斯 - AMSCO		传感器
页数	文件大小	规格书
12页	317K
描述
Capacitive Sensor Interface

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AS1716_V2 数据手册

AS1716

Datasheet - Electrical Characteristics

6 Electrical Characteristics

Parameters are measured at VDDA = 4.5V to 5.5V, RLOAD = 100Ω serial to CLOAD = 10nF, T_A= +25ºC and are refering to VSSA, unless other-

wise specified. Typical values are listed for reference only and will not be tested.

All limits are guaranteed. The parameters with min and max values are guaranteed with production tests or SQC (Statistical Quality Control)

methods.

Table 3. Electrical Characteristics

Symbol

Parameter

Condition

Min

Typ

Max

Unit

TAMB

Operating Temperature Range

-45

+125

°C

DC Electrical Characteristics

VDDA

IDDA

Supply Voltage Range

@ pin VDDA

4.5

5.5

Supply Current

4.5

PSRR¹

VCM

Power Supply Rejection Ratio

Common Mode input Range

Common Mode Rejection Ratio

Differential Input Resistance

@ pins INN, INP

VSSA

VDDA

CMRR

RIN

kΩ

between pins INN and INP

INP shorted to INN

100

130

Internal Common Mode Input

Voltage

VDDA/2 -

VDDA/2

+2%

VREF

VOFF

VDDA/2

Gain1, VINP = VINN @ VCM = VDDA/2,

VREF

+10

Offset Voltage

@ pin OUT

VIL

VIH

Logic Low (GA, GB)

Logic High (GA, GB)

@ pin GA and GB

VDDA = 5V, Gain4

1.2

2.0

I_LEAK

Leakage Current (GA, GB)

µA

Hysteresis

@ pin GA and GB

100

200

VHYST

RPD

Pull-Down Resistor

Overall gain 0.5

@ pin GA and GB

GA = GB = 1

100

0.5

150

0.5+10%

1+10%

2+5%

4+5%

kΩ

Gain0.5

Gain1

Gain2

Gain4

0.5-10%

1-10%

2-5%

4-5%

100

Overall gain 1

GA = 1, GB = 0

Overall gain 2

GA = 0, GB = 1

Overall gain 4

GA = GB = 0, default setting

External Serial Resistor

External Capacitive Load

RL serial to CL

(see Figure 13 on page 8)

0.01

VOUT is driven to VDDA and VOUT is connected

to VSSA

ISHORT+

ISHORT-

V_OUT-L

Positive Short Circuit Current

Negative Short Circuit Current

Output Range Low

VOUT is driven to VSSA and VOUT is connected

to VDDA

VSSA+0

.05

@ pin VOUT

VDDA-

0.05

V_OUT-H

Output Range High

AC Electrical Characteristics

VDDA = 4.5V, GA = GB = 0, INP-INN = 1V_PP,fIN

Filter Cut-off Frequency

kHz

= 16kHz and 29kHz

VDDA = 5V, fIN = 1kHz, INP-INN = 8V_PP, Gain0.5

Gain4, fC = 50Hz - 23kHz

THD

Total Harmonic Distortion

RMS noise at OUT

mV_RMS

VNOISE

1. Guaranteed by design

www.austriamicrosystems.com/Capacitive-Sensors/AS1716

Revision 1.02

4 - 12

1 2 345 6 7...12

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