–4–
AD1954
SPECIFICATIONS (continued)
DIGITAL I/O
Parameter
Min
Typ
Max
Unit
Input Voltage High (VIH)
2.1
V
Input Voltage High (VIH) – RESETB
2.25
V
Input Voltage Low (VIL)
0.8
V
Input Leakage (IIH @ VIH = 2.1 V)
10
A
Input Leakage (IIL @ V
IL
IL = 0.8 V)
IL
10
A
High Level Output Voltage (VOH), IOH = 2 mA
DVDD – 0.5
V
Low Level Output Voltage (VOL), IOL = 2 mA
OL
0.4
V
Input Capacitance
20
pF
Specifications subject to change without notice.
POWER
Parameter
Min
Typ
Max
Unit
SUPPLIES*
Voltage, Analog and Digital
4.5
5
5.5
V
Analog Current
42
48
mA
Analog Current, Power-Down
40
46
mA
Digital Current
65
75
mA
Digital Current, SPI Power-Down
6
10
mA
Digital Current, Reset Power-Down
53
61
mA
DISSIPATION
Operation, Both Supplies
510
mW
Operation, Analog Supplies
210
mW
Operation, Digital Supplies
325
mW
SPI Power-Down, Both Supplies
230
mW
Reset Power-Down, Both Supplies
465
mW
POWER SUPPLY REJECTION RATIO
1 kHz 300 mV p-p Signal at Analog Supply Pins
–80
dB
20 kHz 300 mV p-p Signal at Analog Supply Pins
–80
dB
*ODVDD current is dependent on load capacitance and clock rate.
Specifications subject to change without notice.
TEMPERATURE RANGE
Parameter
Min
Typ
Max
Unit
Specifications Guaranteed
25
°C
Functionality Guaranteed
–40
+105
°C
Storage
–55
+125
°C
Specifications subject to change without notice.
REV. A