Linear Technology DC955A - LTC2483 16-bit Delta-Sigma ADC demo board (req. DC590) DC955A DC955A 数据表
产品代码
DC955A
LTC2483
2483fc
i
2
c DigiTal inpuTs anD DigiTal ouTpuTs
The
l
denotes the specifications which apply over
the full operating temperature range, otherwise specifications are at T
A
= 25°C. (Note 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
IH
High Level Input Voltage
l
0.7V
CC
V
V
IL
Low Level Input Voltage
l
0.3V
CC
V
V
IL(CA1)
Low Level Input Voltage for Address Pin
l
0.05V
CC
V
V
IH(CA0/F0,CA1)
High Level Input Voltage for Address Pins
l
0.95V
CC
V
R
INH
Resistance from CA0/F
0
,CA1 to V
CC
to Set
Chip Address Bit to 1
l
10
kΩ
R
INL
Resistance from CA1 to GND to Set
Chip Address Bit to 0
l
10
kΩ
R
INF
Resistance from CA0/F
0
, CA1 to V
CC
or
GND to Set Chip Address Bit to Float
l
2
MΩ
I
I
Digital Input Current
l
–10
10
µA
V
HYS
Hysteresis of Schmitt Trigger Inputs
(Note 5)
0.05V
CC
V
V
OL
Low Level Output Voltage SDA
I = 3mA
l
0.4
V
t
OF
Output Fall Time from V
IHMIN
to V
ILMAX
Bus Load C
B
10pF to 400pF (Note 14)
l
20 + 0.1C
B
250
ns
t
SP
Input Spike Suppression
l
50
ns
I
IN
Input Leakage
0.1V
CC
≤ V
IN
≤ V
CC
l
1
µA
C
I
Capacitance for Each I/O Pin
l
10
pF
C
B
Capacitance Load for Each Bus Line
l
400
pF
C
CAX
External Capacitive Load on Chip
Address Pins (CA0/F
0
,CA1) for Valid Float
l
10
pF
V
IH(EXT,OSC)
High Level CA0/F
0
External Oscillator
2.7V ≤ V
CC
< 5.5V
l
V
CC
– 0.5V
V
V
IL(EXT,OSC)
Low Level CA0/F
0
External Oscillator
2.7V ≤ V
CC
< 5.5V
l
0.5
V
poWer reQuiremenTs
The
l
denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at T
A
= 25°C. (Note 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
CC
Supply Voltage
l
2.7
5.5
V
I
CC
Supply Current
Conversion Mode (Note 11)
Sleep Mode (Note 11)
l
l
160
1
250
2
µA
µA