
LTC2382-16
4
238216f
ADC TIMING CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
fSMPL
Maximum Sampling Frequency
l
500
ksps
tCONV
Conversion Time
l
1
1.5
μs
tACQ
Acquisition Time
tACQ = tCYC – tHOLD (Note 10)
l
1.25
μs
tHOLD
Maximum Time Between Acquisitions
l
750
ns
tCYC
Time Between Conversions
l
2μs
tCNVH
CNV High Time
l
20
ns
tBUSYLH
CNV ↑ to BUSY Delay
CL = 20pF (Note 11)
l
20
ns
tCNVL
Minimum Low Time for CNV
(Note 11)
l
200
ns
The
l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 4)
POWER REQUIREMENTS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VDD
Supply Voltage
l
2.375
2.5
2.625
V
OVDD
Supply Voltage
1.71
5.25
V
IDD
Supply Current
Power Down Mode
500ksps Sample Rate
Conversion Done
Conversion Done (H-Grade)
l
2.6
0.5
3.3
40
110
mA
μA
PD
Power Dissipation
Power Down Mode
500ksps Sample Rate
Conversion Done
Conversion Done (H-Grade)
6.5
1.25
8.25
100
275
mW
μW
The
l denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. (Note 4)
REFERENCE INPUT
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VREF
Reference Voltage
(Note 5)
l
2.4
2.6
V
IREF
Load Current
(Note 9)
l
495
μA
The
l denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at TA = 25°C. (Note 4)
DIGITAL INPUTS AND DIGITAL OUTPUTS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage
l 0.8 OVDD
V
VIL
Low Level Input Voltage
l
0.2 OVDD
V
IIN
Digital Input Current
VIN = 0V to OVDD
l
–10
10
μA
CIN
Digital Input Capacitance
5pF
VOH
High Level Output Voltage
IO = –500 μA
l OVDD – 0.2
V
VOL
Low Level Output Voltage
IO = 500 μA
l
0.2
V
IOZ
Hi-Z Output Leakage Current
VOUT = 0V to OVDD
l
–10
10
μA
ISOURCE
Output Source Current
VOUT = 0V
–10
mA
ISINK
Output Sink Current
VOUT = OVDD
10
mA
The
l denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4)