Datasheet

Data Sheet AD5544/AD5554
Rev. G | Page 3 of 24
SPECIFICATIONS
AD5544 ELECTRICAL CHARACTERISTICS
V
DD
= 2.7 V to 5.5 V, V
SS
= 0 V, I
OUT
x = virtual GND, A
GND
x = 0 V, V
REF
A = V
REF
B = V
REF
C = V
REF
D = 10 V, T
A
= full operating temperature
range of −40°C to +125°C, unless otherwise noted.
Table 1.
Parameter Symbol Test Condition/Comments Min Typ Max Unit
STATIC PERFORMANCE
1
Resolution
N
1 LSB = V
REF
x/2
16
= 153 µV when V
REF
= 10 V
16
Bits
Relative Accuracy INL AD5544BRSZ ±1 LSB
AD5544ARSZ ±2 LSB
AD5544BCPZ ±1 LSB
AD5544ACPZ-1 ±4 LSB
Differential Nonlinearity DNL AD5544BRSZ ±1 LSB
AD5544ARSZ ±1.5 LSB
AD5544BCPZ ±1 LSB
AD5544ACPZ-1 ±1 LSB
Output Leakage Current I
OUT
x Data = 0x0000, T
A
= 25°C 10 nA
Data = 0x0000, T
A
= 85°C 20 nA
Full-Scale Gain Error G
FSE
Data = 0xFFFF ±0.75 ±3 mV
Full-Scale Tempco
2
TCV
FS
1
ppm/°C
Feedback Resistor R
FB
x V
DD
= 5 V 4 6 8 kΩ
REFERENCE INPUT
V
REF
x Range V
REF
x −15 +15 V
Input Resistance R
REF
x 4 6 8 kΩ
Input Resistance Match R
REF
x Channel-to-channel 0.35 %
Input Capacitance
2
C
REF
x 5 pF
ANALOG OUTPUT
Output Current I
OUT
x Data = 0xFFFF 1.25 2.5 mA
Output Capacitance
2
C
OUT
x Code dependent 35 pF
LOGIC INPUT AND OUTPUT
Logic Input Low Voltage V
IL
0.8 V
Logic Input High Voltage V
IH
2.4 V
Input Leakage Current
I
IL
1
µA
Input Capacitance
2
C
IL
10 pF
Logic Output Low Voltage V
OL
I
OL
= 1.6 mA 0.4 V
Logic Output High Voltage V
OH
I
OH
= 100 µA 4 V
INTERFACE TIMING
2, 3
Clock Width High t
CH
25 ns
Clock Width Low t
CL
25 ns
CS
to Clock Setup t
CSS
0 ns
Clock to
CS
Hold t
CSH
25 ns
Clock to SDO Propagation
Delay
t
PD
2 20 ns
Load DAC Pulse Width t
LDAC
25 ns
Data Setup t
DS
20 ns
Data Hold t
DH
20 ns
Load Setup
t
LDS
5
ns
Load Hold t
LDH
25 ns
SUPPLY CHARACTERISTICS
Power Supply Range V
DD RANGE
2.7 5.5 V
Positive Supply Current I
DD
Logic inputs = 0 V 5 µA
Negative Supply Current I
SS
Logic inputs = 0 V, V
SS
= −5 V 0.001 9 µA