ADUC836BCP

更新时间： 2024-01-08 10:49:47

品牌	Logo	应用领域
亚德诺 - ADI		转换器闪存微控制器
页数	文件大小	规格书
80页	5171K
描述
MicroConverter, Dual 16-Bit-ADCs with Embedded 62 kB Flash MCU

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数据手册

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ADUC836BCP 数据手册

ADuC836

SPECIFICATIONS (continued)

Parameter

ADuC836

Test Conditions/Comments

Unit

INTERNAL REFERENCE

ADC Reference

ReferenceVoltage

1.25 ± 1%

100

InitialTolerance @ 25°C,V_DD= 5V

V min/max

dBs typ

ppm/°C typ

Power Supply Rejection

ReferenceTempco

DAC Reference

ReferenceVoltage

Power Supply Rejection

ReferenceTempco

2.5 ± 1%

±100

InitialTolerance @ 25°C,V_DD= 5V

V min/max

dBs typ

ppm/°C typ

ANALOG INPUTS/REFERENCE INPUTS

Primary ADC

Differential InputVoltage Ranges^{9, 10}

External ReferenceVoltage = 2.5V

RN2, RN1, RN0 of ADC0CON Set to

0 0 0 (Unipolar Mode 0 mV to 20 mV)

0 0 1 (Unipolar Mode 0 mV to 40 mV)

0 1 0 (Unipolar Mode 0 mV to 80 mV)

0 1 1 (Unipolar Mode 0 mV to 160 mV)

1 0 0 (Unipolar Mode 0 mV to 320 mV)

1 0 1 (Unipolar Mode 0 mV to 640 mV)

1 1 0 (Unipolar Mode 0V to 1.28V)

1 1 1 (Unipolar Mode 0V to 2.56V)

T_MAX= 85°C

Bipolar Mode (ADC0CON3 = 0)

±20

±40

±80

±160

±320

±640

±1.28

±2.56

Analog Input Current²

±1

nA max

pA/°C typ

V min

V max

±5

±15

T_MAX= 125°C

T_MAX= 85°C

T_MAX= 125°C

Analog Input Current Drift

Absolute AINVoltage Limits²

AGND + 100 mV

AV_DD– 100 mV

Auxiliary ADC

InputVoltage Range^{9, 10}

0 toV_REF

Unipolar Mode, for Bipolar Mode

See Note 11

Average Analog Input Current

Average Analog Input Current Drift²

Absolute AINVoltage Limits^{2, 11}

125

±2

Input CurrentWillVary with Input

Voltage on the Unbuffered Auxiliary ADC pA/V/°C typ

nA/V typ

AGND – 30 mV

AV_DD+ 30 mV

V min

V max

External Reference Inputs

REFIN(+) to REFIN(–) Range²

V min

V max

A/V typ

nA/V/°C typ

V min

AV_DD

±0.1

0.3

0.65

Average Reference Input Current

Average Reference Input Current Drift

“NO Ext. REF”TriggerVoltage

Both ADCs Enabled

NOXREF Bit Active if V_REF< 0.3V

NOXREF Bit Inactive if V_REF> 0.65V

V max

ADC SYSTEM CALIBRATION

Full-Scale Calibration Limit

Zero-Scale Calibration Limit

Input Span

1.05  FS

–1.05  FS

0.8  FS

2.1  FS

V max

V min

V max

ANALOG (DAC) OUTPUT

Voltage Range

0 toV_REF

0 to AV_DD

100

0.5

DACRN = 0 in DACCON SFR

DACRN = 1 in DACCON SFR

From DAC Output to AGND

V typ

k typ

pF typ

 typ

A typ

Resistive Load

Capacitive Load

Output Impedance

I_SINK

TEMPERATURE SENSOR

Accuracy

Thermal Impedance (_JA)

±2

°C typ

°C/W typ

MQFP Package

CSP Package (Base Floating)¹²

–4–

REV. A

1 2 345 6 7...80

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