LTC1603IG Просмотр технического описания (PDF) - Linear Technology
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LTC1603IG Datasheet PDF : 20 Pages
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LTC1603
POWER REQUIRE E TS The q 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
VDD
Positive Supply Voltage
VSS
Negative Supply Voltage
IDD
Positive Supply Current
Nap Mode
Sleep Mode
(Notes 12, 13)
(Note 12)
CS = RD = 0V
CS = 0V, SHDN = 0V
CS = 5V, SHDN = 0V
4.75
5.25
V
– 4.75
– 5.25
V
q
18
30
mA
1.5
2.4
mA
1
100
µA
ISS
Negative Supply Current
Nap Mode
Sleep Mode
CS = RD = 0V
CS = 0V, SHDN = 0V
CS = 5V, SHDN = 0V
q
26
40
mA
1
100
µA
1
100
µA
PD
Power Dissipation
Nap Mode
Sleep Mode
CS = RD = 0V
CS = 0V, SHDN = 0V
CS = 5V, SHDN = 0V
q
220 350
mW
7.5
12
mW
0.01
1
mW
WU
TI I G CHARACTERISTICS The q 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
fSMPL(MAX)
tCONV
tACQ
tACQ+CONV
t1
t2
t3
t4
t5
t6
Maximum Sampling Frequency
Conversion Time
Acquisition Time
Throughput Time (Acquisition + Conversion)
CS to RD Setup Time
CS↓ to CONVST↓ Setup Time
SHDN↓ to CS↑ Setup Time
SHDN↑ to CONVST↓ Wake-Up Time
CONVST Low Time
CONVST to BUSY Delay
(Note 11)
(Notes 11, 12)
(Notes 11, 12)
(Notes 11, 12)
CS = Low (Note 12)
(Note 12)
CL = 25pF
q 250
kHz
q 2.2
3.3
3.8
µs
q
480
ns
q
4
µs
q
0
ns
q 10
ns
q 10
ns
400
ns
q 40
ns
36
ns
q
80
ns
t7
Data Ready Before BUSY↑
60
ns
q 32
ns
t8
Delay Between Conversions
t9
Wait Time RD↓ After BUSY↑
t10
Data Access Time After RD↓
(Note 12)
(Note 12)
CL = 25pF
q 200
ns
q –5
ns
40
50
ns
q
60
ns
CL = 100pF
45
60
ns
q
75
ns
t11
Bus Relinquish Time
LTC1603C
LTC1603I
50
60
ns
q
70
ns
q
75
ns
t12
RD Low Time
(Note 12)
t13
CONVST High Time
(Note 12)
t14
Aperture Delay of Sample-and-Hold
q
t10
ns
q 40
ns
2
ns
1603f
4
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