
AD1928
CRYSTAL OSCILLATOR SPECIFICATIONS
Rev. 0 | Page 5 of 32
Table 3.
Parameter
Transconductance
Min
Typ
3.5
Max
Unit
mmhos
DIGITAL INPUT/OUTPUT SPECIFICATIONS
40°C < T
A
< +130°C, DVDD = 3.3 V ± 10%.
Table 4.
Parameter
High Level Input Voltage (V
IH
)
Low Level Input Voltage (V
IL
)
Input Leakage
High Level Output Voltage (V
OH
)
Low Level Output Voltage (V
OL
)
Input Capacitance
Conditions/Comments
MCLKI/XI pin
I
IH
@ V
IH
= 2.4 V
I
IL
@ V
IL
= 0.8 V
I
OH
= 1 mA
I
OL
= 1 mA
Min
2.0
2.2
DVDD 0.60
Typ
Max
0.8
10
10
0.4
5
Unit
V
V
V
μA
μA
V
V
pF
POWER SUPPLY SPECIFICATIONS
Table 5.
Parameter
SUPPLIES
Voltage
Digital Current
Normal Operation
Power-Down
Analog Current
Normal Operation
Power-Down
DISSIPATION
Normal Operation
All Supplies
Digital Supply
Analog Supply
Power-Down, All Supplies
POWER SUPPLY REJECTION RATIO
Signal at Analog Supply Pins
Conditions/Comments
DVDD
AVDD
Master clock = 256 f
S
f
S
= 48 kHz
f
S
= 96 kHz
f
S
= 192 kHz
f
S
= 48 kHz to 192 kHz
Master clock = 256 f
S
, 48 kHz
1 kHz, 200 mV p-p
20 kHz, 200 mV p-p
Min
3.0
3.0
Typ
3.3
3.3
56
65
95
2.0
74
23
429
185
244
83
50
50
Max
3.6
3.6
Unit
V
V
mA
mA
mA
mA
mA
mA
mW
mW
mW
mW
dB
dB