XRD9827

4

Rev. 1.20

ELECTRICAL CHARACTERISTICS

Test Conditions: AV

Symbol

Parameter

Min.

Typ.

Max.

Unit

Conditions

Power Supplies

AV

DD

Analog Power Supply

3.0

3.3

5.5

V

(Note 2)

DV

DD

Digital I/O Power Supply

3.0

3.3

5.5

V

DV

I

DD

Supply Current

25

40

60

mA

V

IDD

PD

Power Down Power Supply Current

50

µAV

ADC Specifications

RES

Resolution

12

Bits

F

s

Maximum Sampling Rate

12

MSPS

DNL

Differential Non-Linearity

±0.5

LSB

INL

Integral Non-Linearity

±1.0

LSB

MON

Monotonicity

Yes

V

RT

Top Reference Voltage

3.50

3.70

3.90

V

V

RB

Bottom Reference Voltage

AV

V

DV

REF

Differential Reference Voltage

0.3

0.67AV

DD

V

(V

R

L

Ladder Resistance

300

600

780

Ω

PGA & Offset DAC Specifications

PGARES

PGA Resolution

6

Bits

PGAG

MIN

Minimum Gain

0.950

1.0

1.050

V/V

PGAG

MAX

Maximum Gain

9.5

10.0

10.50

V/V

PGAGD

Gain Adjustment Step Size

0.14

V/V

V

BLACK

Black Level Input Range

-100

500

mV

DC Configuration

DACRES

Offset DAC Resolution

8

Bits

OFF

MIN

Minimum Offset Adjustment

-250

-200

-150

mV

Mode 111, D5=0 (Note 1)

OFF

MAX

Maximum Offset Adjustment

+500

+600

+700

mV

Mode 111, D5=0

OFF

MIN

Minimum Offset Adjustment

-450

-400

-350

mV

Mode 111, D5=1 (Note 1)

OFF

MAX

Maximum Offset Adjustment

+350

+400

+450

mV

Mode 111, D5=1

OFF

∆

Offset Adjustment Step Size

3.14

mV

Note 1:

The additional ±100 mV of adjustment with respect to the black level input range is needed to compensate

for any additional offset introduced by the XRD9827 Buffer/PGA internally.

Note 2:

It is not recommended to operate the part between 3.6V and 4.4V.