LTC1857/LTC1858/LTC1859
U U
U
I TER AL REFERE CE CHARACTERISTICS
The ● denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5)
PARAMETER CONDITIONS
MIN
TYP
2.50
±10
8
MAX
UNITS
V
V
V
V
Output Voltage
I
I
= 0
= 0
●
2.475
2.525
V
ppm/°C
kΩ
REF
OUT
OUT
Output Temperature Coefficient
Output Impedance
REF
–0.1mA ≤ I
≤ 0.1mA
REF
OUT
Output Voltage
I
= 0
OUT
4.096
V
REFCOMP
U
U
DIGITAL I PUTS A D DIGITAL OUTPUTS The ● denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
V
High Level Input Voltage
Low Level Input Voltage
Digital Input Current
Digital Input Capacitance
High Level Output Voltage
V
V
V
= 5.25V
= 4.75V
= 0V to V
●
●
●
2.4
V
V
IH
IL
DD
DD
IN
0.8
I
±10
µA
pF
IN
DD
C
V
5
IN
V
V
= 4.75V, I = –10µA, OV = V
DD
4.74
V
V
OH
DD
DD
O
DD
= 4.75V, I = –200µA, OV = V
●
4
O
DD
DD
V
Low Level Output Voltage
V
V
= 4.75V, I = 160µA, OV = V
DD
0.05
0.10
V
V
OL
DD
DD
O
DD
= 4.75V, I = 1.6mA, OV = V
●
●
0.4
O
DD
DD
I
Hi-Z Output Leakage
Hi-Z Output Capacitance
Output Source Current
Output Sink Current
V
= 0V to V , RD = High
±10
µA
pF
OZ
OUT
DD
C
OZ
RD = High
15
–10
10
I
I
V
V
= 0V
mA
mA
SOURCE
SINK
OUT
OUT
= V
DD
W U
POWER REQUIRE E TS
The ● denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. (Note 5)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Positive Supply Voltage
(Notes 9 and 10)
4.75
5.00
5.25
V
Positive Supply Current
Nap Mode
Sleep Mode
●
8.0
5.5
8.0
13
8
15
mA
mA
µA
CONVST = 0V or 5V
CONVST = 0V or 5V
Power Dissipation
Nap Mode
Sleep Mode
40.0
27.5
40.0
mW
mW
µW
185789f
4
Linear Systems [ Linear Systems ]
