Datasheet

AD5124/AD5144/AD5144A Data Sheet
Rev. A | Page 8 of 36
Parameter Symbol Test Conditions/Comments Min Typ
1
Max Unit
RESISTOR TERMINALS
Maximum Continuous Current I
A
, I
B
, and I
W
R
AB
= 10 kΩ −6 +6 mA
R
AB
= 100 kΩ −1.5 +1.5 mA
Terminal Voltage Range
5
V
SS
V
DD
V
Capacitance A, Capacitance B
3
C
A
, C
B
f = 1 MHz, measured to GND,
code = half scale
R
AB
= 10 kΩ 25 pF
R
AB
= 100 kΩ 12 pF
Capacitance W
3
C
W
f = 1 MHz, measured to GND,
code = half scale
R
AB
= 10 kΩ 12 pF
R
AB
= 100 kΩ 5 pF
Common-Mode Leakage Current
3
V
A
= V
W
= V
B
−500 ±15 +500 nA
DIGITAL INPUTS
Input Logic
3
High V
INH
V
LOGIC
= 1.8 V to 2.3 V 0.8 × V
LOGIC
V
V
LOGIC
= 2.3 V to 5.5 V 0.7 × V
LOGIC
V
Low
V
INL
0.2 × V
LOGIC
V
Input Hysteresis
3
V
HYST
0.1 × V
LOGIC
V
Input Current
3
I
IN
±1 µA
Input Capacitance
3
C
IN
5 pF
DIGITAL OUTPUTS
Output High Voltage
3
V
OH
R
PULL-UP
= 2.2 kΩ to V
LOGIC
V
LOGIC
V
Output Low Voltage
3
V
OL
I
SINK
= 3 mA 0.4 V
I
SINK
= 6 mA, V
LOGIC
> 2.3 V 0.6 V
Three-State Leakage Current −1 +1 µA
Three-State Output Capacitance 2 pF
POWER SUPPLIES
Single-Supply Power Range V
SS
= GND 2.3 5.5 V
Dual-Supply Power Range ±2.25 ±2.75 V
Logic Supply Range Single supply, V
SS
= GND 1.8 V
DD
V
Dual supply, V
SS
< GND 2.25 V
DD
V
Positive Supply Current I
DD
V
IH
= V
LOGIC
or V
IL
= GND
V
DD
= 5.5 V
0.7
5.5
µA
V
DD
= 2.3 V 400 nA
Negative Supply Current I
SS
V
IH
= V
LOGIC
or V
IL
= GND −5.5 −0.7 µA
EEPROM Store Current
3, 6
I
DD_EEPROM_STORE
V
IH
= V
LOGIC
or V
IL
= GND 2 mA
EEPROM Read Current
3, 7
I
DD_EEPROM_READ
V
IH
= V
LOGIC
or V
IL
= GND 320 µA
Logic Supply Current I
LOGIC
V
IH
= V
LOGIC
or V
IL
= GND 1 120 nA
Power Dissipation
8
P
DISS
V
IH
= V
LOGIC
or V
IL
= GND 3.5 µW
Power Supply Rejection Ratio PSRR ∆V
DD
/∆V
SS
= V
DD
± 10%,
code = full scale
−66 −60 dB