Datasheet

Data Sheet AD5444/AD5446
Rev. E | Page 3 of 28
SPECIFICATIONS
V
DD
= 2.5 V to 5.5 V, V
REF
= 10 V, I
OUT
2 = 0 V. Temperature range for Y version: −40°C to +125°C. All specifications T
MIN
to T
MAX
,
unless otherwise noted. DC performance measured with OP177, and ac performance measured with AD8038, unless otherwise noted.
Table 1.
Parameter Min Typ Max Unit Conditions
STATIC PERFORMANCE
AD5444
Resolution 12 Bits
Relative Accuracy ±0.5 LSB
Differential Nonlinearity ±1 LSB Guaranteed monotonic
Total Unadjusted Error (TUE)
±1
LSB
Gain Error ±0.5 LSB
AD5446
Resolution 14 Bits
Relative Accuracy ±2 LSB
Differential Nonlinearity −1/+2 LSB Guaranteed monotonic
Total Unadjusted Error (TUE) ±4 LSB
Gain Error ±2.5 LSB
Gain Error Temperature Coefficient
1
±2 ppm FSR/°C
Output Leakage Current ±1 nA Data = 0x0000, T
A
= 25°C, I
OUT
1
±10 nA Data = 0x0000, T
A
= −40°C to +125°C, I
OUT
1
REFERENCE INPUT
1
Reference Input Range ±10 V
V
REF
Input Resistance 7 9 11 kΩ Input resistance T
C
= −50 ppm/°C
R
FB
Feedback Resistance
7
9
11
kΩ
Input resistance T
C
= −50 ppm/°C
Input Capacitance
Zero-Scale Code 18 22 pF
Full-Scale Code 18 22 pF
DIGITAL INPUTS/OUTPUTS
1
Input High Voltage, V
IH
2.0 V V
DD
= 3.6 V to 5 V
1.7 V V
DD
= 2.5 V to 3.6 V
Input Low Voltage, V
IL
0.8 V V
DD
= 2.7 V to 5.5 V
0.7 V V
DD
= 2.5 V to 2.7 V
Output High Voltage, V
OH
V
DD
− 1
V
V
DD
= 4.5 V to 5 V, I
SOURCE
= 200 µA
V
DD
− 0.5 V V
DD
= 2.5 V to 3.6 V, I
SOURCE
= 200 µA
Output Low Voltage, V
OL
0.4 V V
DD
= 4.5 V to 5 V, I
SINK
= 200 µA
0.4 V V
DD
= 2.5 V to 3.6 V, I
SINK
= 200 µA
Input Leakage Current, I
IL
±1 nA T
A
= 25°C
±10
nA
T
A
= −40°C to +125°C
Input Capacitance 10 pF