Data Sheet

AD5674/AD5674R/AD5679/AD5679R

Rev. B | Page 3 of 32

SPECIFICATIONS

AD5674/AD5674R SPECIFICATIONS

VDD pin voltage (VDD) = 2.7 V to 5.5 V, 1.62 V ≤ VLOGIC pin voltage (VLOGIC) ≤ 5.5 V, load resistance (RL) = 2 kΩ, load capacitance

(CL) = 200 pF, all specifications are TJ = −40°C to +125°C, typical at TA = 25°C, unless otherwise noted.

Table 2.

Parameter

Min

Typ

Max

Unit

Test Conditions/Comments

STATIC PERFORMANCE1

Resolution

12

Bits

INL

±0.12

±1

LSB

Gain = 1

±0.12

±1

LSB

Gain = 2

Differential Nonlinearity (DNL)

±0.05

±0.1

LSB

Gain = 1

±0.05

±0.1

LSB

Gain = 2

Zero Code Error

0.8

1.6

mV

Gain = 1 or gain = 2

Offset Error

−0.75

±2

mV

Gain = 1

−0.1

±1.5

mV

Gain = 2

Full-Scale Error

−0.018

±0.14

% of FSR

Gain = 1

−0.013

±0.07

% of FSR

Gain = 2, VDD = 5.5 V

Gain Error

+0.04

±0.12

% of FSR

Gain = 1

−0.02

±0.06

% of FSR

Gain = 2

Total Unadjusted Error (TUE)

±0.03

±0.18

% of FSR

Gain = 1

±0.006

±0.14

% of FSR

Gain = 2

Offset Error Drift

±2

µV/°C

Gain = 1

DC Power Supply Rejection Ratio

(PSRR)

0.25

mV/V

DAC code = midscale, VDD = 5 V ± 10%

DC Crosstalk

±2

µV

Due to single channel, full-scale output change, internal

reference, gain = 1

±3

µV/mA

Due to load current change, external reference, gain = 2

±2

µV

Due to powering down (per channel), internal reference,

gain = 1

OUTPUT CHARACTERISTICS

Output Power-Up Voltage

0

V

Gain = 1, AD5674-1, AD5674R-1

0

V

Gain = 2, AD5674-1, AD5674R-1

1.25

V

Gain = 1, AD5674R-2

2.5

V

Gain = 2, AD5674R-2

Output Voltage Range

0

2.5

V

Gain = 1

0

5

V

Gain = 2

Capacitive Load Stability

2

nF

RL = ∞

10

nF

RL = 1 kΩ

Load Regulation

183

µV/mA

VDD = 5 V ± 10%, DAC code = midscale, −30 mA ≤ output

current (IOUT) ≤ +30 mA

177

µV/mA

VDD = 3 V ± 10%, DAC code = midscale, −20 mA ≤ IOUT ≤

+20 mA

Short-Circuit Current2

40

mA

Load Impedance at Rails3

25

Ω

Power-Up Time4

3

µs

Exiting power-down mode, VDD = 5 V

REFERENCE INPUT

Reference Input Current

0.8

mA

Reference voltage

(VREF) = VDD = VLOGIC = 5.5 V, gain = 1

1.6

mA

VREF = VDD = VLOGIC = 5.5 V, gain = 2

Reference Input Range

1

VDD

V

Gain = 1

1

VDD/2

V

Gain = 2

Reference Input Impedance

7

kΩ

Gain = 1

3.5

kΩ

Gain = 2

REFERENCE OUTPUT

AD5674R-1; AD5674R-2

Output Voltage5

2.4975

2.5025

V

Voltage Reference Temperature

Coefficient (TC)6, 7

2

5

ppm/°C

See the Terminology section