ADP1043A datasheet(5/72 Pages) AD

5 / 72 page

ADP1043A

Rev. 0 | Page 5 of 72

SPECIFICATIONS

VDD = 3.3 V, TA = −40°C to +85°C, unless otherwise noted. FSR = full-scale range.

Table 1.

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

SUPPLY

VDD

3.1

3.3

3.6

IDD

Normal operation (PSON is high)

Power supply off (PSON is low)

During EEPROM programming (40 ms)

IDD + 8

POWER-ON RESET

Power-On Reset

VDD rising

3.05

UVLO

VDD falling

2.75

2.85

2.95

UVLO Hysteresis

OVLO

3.7

3.9

4.1

VCORE PIN

Output Voltage

TA = 25°C

2.3

2.5

2.7

OSCILLATOR AND PLL

PLL Frequency

RES = 49.9 kΩ

190

200

210

MHz

OUTA, OUTB, OUTC, OUTD,

OUTAUX, SR1, SR2 PINS

Output Low Voltage

VOL

Source current = 10 mA

0.4

Output High Voltage

VOH

Source current = 10 mA

VDD − 0.4

Rise Time

CLOAD = 50 pF

3.5

Fall Time

CLOAD = 50 pF

1.5

AC SENSE

PWM and resonant mode

Input Voltage Threshold

0.3

0.45

0.65

Propagation Delay

From ACSNS threshold to SR start;

resonant mode only

160

VS1, VS2, VS3 LOW SPEED ADC

Input Voltage Range

VIN

Differential voltage from VS1, VS2 to PGND,

and from VS3+ to VS3−

1.55

Sampling Frequency

fSAMP

100

Voltage Sense Measurement

Accuracy

From 0% to 100% of input voltage range

−10

+10

% FSR

−155

+155

From 10% to 90% of input voltage range

−2.5

+2.5

% FSR

−38.75

+38.75

From 900 mV to 1.1 V

−1.5

+1.5

% FSR

−23.25

+23.25

Voltage Sense Measurement

Resolution

Bits

Voltage Differential from VS3−

to PGND

−200

+200

VS1 OVP Comparator Speed

300

μs

VS1 OVP Threshold Accuracy

Relative to nominal voltage (1 V) on VS1

2.5

VS2 and VS3 OVP Comparator

Speed

300

μs

VS2 and VS3 OVP Threshold

Accuracy

Relative to nominal voltage (1 V) on VS2

and VS3

2.5

VS1 HIGH SPEED ADC

Sampling Frequency

fSAMP

400

kHz

Resolution

Bits

Dynamic Range

±18

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