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LTC1740_15 Datasheet, PDF (4/16 Pages) Linear Technology – 14-Bit, 6Msps, Sampling ADC
LTC1740
DIGITAL I PUTS A D DIGITAL OUTPUTS The q denotes specifications which apply over the full
operating temperature range, otherwise specifications are at TA = 25°C. Specifications are guaranteed for both dual supply and single
supply operation. (Note 4)
SYMBOL PARAMETER
VIH
High Level Input Voltage
VIL
Low Level Input Voltage
IIN
Digital Input Current
CIN
Digital Input Capacitance
VOH
High Level Output Voltage
VOL
Low Level Output Voltage
ISOURCE
ISINK
Output Source Current
Output Sink Current
CONDITIONS
VDD = 5.25V, VSS = 0V
VDD = 5.25V, VSS = – 5V
VDD = 4.75V, VSS = 0V
VDD = 4.75V, VSS = – 5V
VIN = 0V to VDD
0VDD = 4.75V, IO = –10µA
0VDD = 4.75V, IO = –200µA
0VDD = 2.7V, IO = –10µA
0VDD = 2.7V, IO = –200µA
0VDD = 4.75V, IO = 160µA
0VDD = 4.75V, IO = 1.6mA
0VDD = 2.7V, IO = 160µA
0VDD = 2.7V, IO = 1.6mA
VOUT = 0V, 0VDD = 5V
VOUT = VDD, 0VDD = 5V
MIN TYP MAX UNITS
q 2.4
V
q 2.4
V
q
0.8
V
q
0.8
V
q
±10
µA
1.8
pF
4.74
V
q 4.0
4.71
V
2.6
V
q 2.3
V
0.05
V
q
0.10
0.4
V
0.05
V
q
0.10
0.4
V
50
mA
35
mA
POWER REQUIRE E TS The q denotes specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. Specifications are guaranteed for both dual supply and single supply operation. (Note 4)
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
VDD
OVDD
VSS
Positive Supply Voltage
Output Supply Voltage
Negative Supply Voltage
(Note 9)
(Note 9)
Dual Supply Mode
Single Supply Mode
4.75
5.25
V
2.7
VDD
V
– 5.25
– 4.75
V
0
V
IDD
Positive Supply Current
ISS
Negative Supply Current
PD
Power Dissipation
q
47
60
mA
q
2.3
2.6
mA
q
245 300
mW
WU
TI I G CHARACTERISTICS The q denotes specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. Specifications are guaranteed for both dual supply and single supply operation.
(Note 4)
SYMBOL
fSAMPLE
tCONV
tACQ
tH
tL
tAP
t1
t2
PARAMETER
Sampling Frequency
Conversion Time
Acquisition Time
CLK High Time
CLK Low Time
Aperature Delay of Sample-and-Hold
CLK↑ to BUSY↓
BUSY↑ to Outputs Valid
Data Latency
CONDITIONS
(Note 9)
(Note 9)
(Note 9)
MIN TYP MAX UNITS
q 0.05
6
MHz
q
100 135
ns
q 31
67
ns
q 20
83.3
ns
q 20
83.3
ns
– 900
ps
3.5
ns
1.5
ns
3
Cycles
1740f
4