LTC2325-16
INTERNAL REFERENCE CHARACTERISTICS The l denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C (Note 4).
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
l
l
V
Internal Reference Output Voltage
4.75V < V < 5.25V
4.078
2.034
4.096
2.048
4.115
2.064
V
V
REFOUT1,2,3,4
DD
3.13V < V < 3.47V
DD
l
V
Temperature Coefficient
(Note 14)
3
20
ppm/°C
Ω
REF
REFOUT1,2,3,4 Output Impedance
Line Regulation
0.25
0.3
V
4.75V < V < 5.25V
mV/V
REFOUT1,2,3,4
DD
I
External Reference Current
REFBUFEN = 0V
REFOUT1,2,3,4
REFOUT1,2,3,4 = 4.096V
REFOUT1,2,3,4 = 2.048V
(Notes 9, 10)
385
204
μA
μA
DIGITAL INPUTS AND DIGITAL OUTPUTS The l denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C (Note 4).
SYMBOL PARAMETER
CONDITIONS
CMOS/LVDS = GND
MIN
0.8 • OV
–10
TYP
MAX
UNITS
CMOS Digital Inputs and Outputs
l
l
l
V
V
High Level Input Voltage
Low Level Input Voltage
Digital Input Current
V
V
IH
IL
DD
0.2 • OV
10
DD
I
IN
V
IN
= 0V to OV
DD
μA
pF
C
IN
Digital Input Capacitance
5
l
l
V
V
High Level Output Voltage
Low Level Output Voltage
I = –500μA
OV – 0.2
V
V
OH
O
DD
I = 500μA
O
0.2
10
OL
l
I
I
I
Hi-Z Output Leakage Current
Output Source Current
Output Sink Current
V
OUT
V
OUT
V
OUT
= 0V to OV
DD
–10
μA
mA
mA
OZ
= 0V
= OV
–10
10
SOURCE
SINK
DD
LVDS Digital Inputs and Outputs
CMOS/LVDS = OV
DD
l
l
l
l
l
l
V
V
V
V
V
V
LVDS Differential Input Voltage
LVDS Common Mode Input Voltage
LVDS Differential Output Voltage
LVDS Common Mode Output Voltage
100Ω Differential Termination
DD
240
1
600
1.45
600
1.4
mV
V
ID
OV = 2.5V
100Ω Differential Termination
OV = 2.5V
DD
IS
100Ω Differential Termination
OV = 2.5V
DD
220
0.85
100
0.85
350
1.2
200
1.2
mV
V
OD
100Ω Differential Termination
OV = 2.5V
DD
OS
Low Power LVDS Differential Output
Voltage
100Ω Differential Termination
OV = 2.5V
DD
350
1.4
mV
V
OD_LP
OS_LP
Low Power LVDS Common Mode Output 100Ω Differential Termination
Voltage
OV = 2.5V
DD
232516fa
4
For more information www.linear.com/LTC2325-16