AD7228

Data Sheet

Rev. D | Page 4 of 15

SINGLE SUPPLY

−40°C to +85°C, unless otherwise noted.

Table 2.

Parameter

K and B

Versions

L and C

Versions

Unit

Test Conditions/Comments

STATIC PERFORMANCE

Resolution

8

8

Bits

±2

±1

LSB max

Differential Nonlinearity

±1

±1

LSB max

Guaranteed monotonic

Minimum Load Resistance

2

2

kΩ min

REFERENCE INPUT

Input Resistance

2

2

kΩ min

500

500

pF max

Occurs when each DAC is loaded with all 1s

DIGITAL INPUTS

2.4

2.4

V min

0.8

0.8

V max

Input Leakage Current

±1

±1

µA max

8

8

pF max

Input Coding

Binary

Binary

Voltage Output Slew Rate

2

2

V/µs min

Voltage Output Settling Time

Positive Full-Scale Change

5

5

µs max

Settling time to ±1/2 LSB

Negative Full-Scale Change

7

7

µs max

Settling time to ±1/2 LSB

Digital Feedthrough

50

50

nV-sec typ

50

50

nV-sec typ

POWER SUPPLIES

13.5/16.5

13.5/16.5

V min/V max

For specified performance

at 25°C

16

16

mA max

20

20

mA max

1

Total unadjusted error includes zero code error, relative accuracy and full-scale error.

2

3

The glitch impulse transferred to the output of one converter (not addressed) due to a change in the digital input code to another addressed converter.