ADP1055ACPZ-R7 datasheet(5/140 Pages) AD

5 / 140 page

Data Sheet

ADP1055

Rev. A | Page 5 of 140

SPECIFICATIONS

VDD = 3.0 V to 3.6 V, TA = −40°C to +125°C, unless otherwise noted. FSR = full-scale range.

Table 1.

Parameter

Symbol

Test Conditions/Comments

Min

Typ

Max

Unit

SUPPLY

Supply Voltage

VDD

4.7 μF capacitor connected to AGND

3.0

3.3

3.6

Supply Current

IDD

Normal operation (CTRL pin is high)

Normal operation (CTRL pin is low)

During EEPROM programming (40 ms)

IDD + 8

During black box write

IDD + 8

Current with VDD < VCORE POR

100

μA

POWER-ON RESET

Power-On Reset

POR

VDD rising

3.0

Undervoltage Lockout

UVLO

VDD falling

2.75

2.85

2.97

Overvoltage Lockout

OVLO

3.8

4.0

4.1

OVLO Debounce

Set to 2 μs (Register 0xFE4D[5] = 0)

2.0

μs

Set to 500 μs (Register 0xFE4D[5] = 1)

500

μs

VCORE PIN

0.33 μF capacitor connected to DGND

Power-On Reset (POR)

VDD falling

2.1

Output Voltage

TA = 25°C

2.6

Maximum Time from POR to

Outputs Switching

No black box recording

(Register 0xFE48[1:0] = 00)

With black box recording

(Register 0xFE48[1:0] = 01, 10, or 11)

OSCILLATOR AND PLL

PLL Frequency

RES = 10 kΩ (±0.1%)

190

200

210

MHz

OUTA, OUTB, OUTC, OUTD, SR1,

SR2 PINS

Output Low Voltage

VOL

Sink current = 10 mA

0.8

Output High Voltage

VOH

Source current = 10 mA

VDD − 0.8

Rise Time

CLOAD = 50 pF

3.5

Fall Time

CLOAD = 50 pF

1.5

VOLTAGE FEEDFORWARD (VFF PIN)

ADC Clock Frequency

1.56

MHz

Feedforward (Slow) Input

Voltage Range

VFF

For reporting; equivalent resolution

of 12 bits

1.6

ADC Usable Input Voltage Range

1.57

Measurement Accuracy (Slow

and Fast Feedforward)

Factory trimmed at 1.0 V

0% to 100% of usable input voltage range

−2.5

+2.5

% FSR

10% to 90% of usable input voltage range

−2.0

+2.0

% FSR

900 mV to 1.1 V

−1.5

+1.5

% FSR

Leakage Current

1.0

μA

FEEDFORWARD FUNCTION

(VFF PIN)

Feedforward (Fast) Input

Voltage Range

0.6

1.6

Sampling Period for

Feedforward (Fast) ADC

Equivalent resolution of 12 bits

μs

VS LOW SPEED ADC

Input Voltage Range

Differential voltage from VS+ to VS−

1.6

Usable Input Voltage Range

1.55

ADC Clock Frequency

1.56

MHz

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