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AS7221

Electrical Characteristics

Datasheet

• PUBLIC

DS000479

• v4-00 • 2019-Jun-28

│ 10

Electrical Characteristics

All limits are guaranteed with VDD = 3.3 V, VDDHV = 12 V, TAMB = 25 °C. The parameters with min

and max values are guaranteed with production tests or SQC (Statistical Quality Control) methods. If

VDD and VDDHV are to be the same voltage, they must be sourced by the same 2.97 V to 3.6 V

supply. All voltages with respect to GND.

Figure 6:

Electrical Characteristics of AS7221

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

General Operating Conditions

VDD

Low Voltage

Operating Supply

2.97

3.3

3.6

VDDHV

High Voltage

Operating Supply

VDD

TAMB

Operating

Temperature

-40

°C

IVDD

Operating Current

Excluding LED

driver current

Internal RC Oscillator

FOSC

Internal RC

Oscillator

Frequency

15.7

16.3

MHz

tJITTER

(1)

Jitter

@25 °C

1.2

0-10 V Output (0_10V_O pin)

ROUT_10

Resistive Load

kΩ

IS_10

Source Current

ISINK_10

Sink Current

-10

ILEAK_HV

HV Output Leakage

Current

VIN=12 V, DAC &

PWM1 both

disabled

-1.6

-0.73

CLOAD_10

Capacitive Load

100

VOUT_10

(2)

Output Swing

AUX Input

AUXIN

AUX Input Voltage

For 100% AUX A/D

conversion

3.0

RIN_AUX

Analog Input

Resistance

168

240

312

kΩ

0-10 V Input

RIN_HV

Analog Input

Resistance

VDDHV ≥ 12 V

138

200

315

kΩ

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