LTC1278 Просмотр технического описания (PDF) - Linear Technology
Номер в каталоге
Компоненты Описание
производитель
LTC1278 Datasheet PDF : 16 Pages
| |||
LTC1278
WU
POWER REQUIRE E TS (Note 5)
SYMBOL PARAMETER
VDD
Positive Supply Voltage (Notes 10, 11)
VSS
Negative Supply Voltage (Note 10)
IDD
Positive Supply Current
ISS
Negative Supply Current
PD
Power Dissipation
CONDITIONS
Unipolar
Bipolar
Bipolar Only
fSAMPLE = 500ksps
SHDN = 0V
fSAMPLE = 500ksps, VSS = – 5V
fSAMPLE = 500ksps
SHDN = 0V
WU
TI I G CHARACTERISTICS (Note 5)
SYMBOL
PARAMETER
fSAMPLE(MAX) Maximum Sampling Frequency
tSAMPLE(MIN)
tCONV
Minimum Throughput Time
(Acquisition Time Plus Conversion Time)
Conversion Time
tACQ
Acquisition Time
t1
CS↓ to RD↓ Setup Time
t2
CS↓ to CONVST↓ Setup Time
t3
SHDN↑ to CONVST↓ Wake-Up Time
t4
CONVST Low Time
t5
CONVST↓ to BUSY↓ Delay
t6
Data Ready Before BUSY↑
t7
Wait Time RD↓ After BUSY↑
t8
Data Access Time After RD↓
t9
Bus Relinquish Time
t10
RD Low Time
t11
CONVST High Time
t12
Aperture Delay of Sample-and-Hold
CONDITIONS
LTC1278-4
LTC1278-5
LTC1278-4
LTC1278-5
LTC1278-4
LTC1278-5
(Notes 9, 10)
(Notes 9, 10)
(Note 10)
(Notes 10, 12)
CL = 100pF
Commercial
Industrial
CL = 100pF
Mode 2, (see Figure 14) (Note 9)
CL = 20pF (Note 9)
Commercial
Industrial
CL = 100pF
Commercial
Industrial
Commercial
Industrial
(Note 9)
(Notes 9, 12)
Jitter < 50ps
LTC1278-4/LTC1278-5
MIN TYP MAX
UNITS
4.95
5.25
V
4.75
5.25
V
– 2.45
– 5.25
V
q
15.0 29.5
mA
q
1.7
3.0
mA
q
0.12 0.30
mA
q
75.0 150
mW
q
8.5
15
mW
LTC1278-4/LTC1278-5
MIN TYP MAX
UNITS
q 400
kHz
q 500
q
2.5
µs
q
2.0
µs
2.0
2.3
µs
1.6
1.85
µs
200
ns
q
0
ns
q
20
ns
350
ns
q
40
ns
40
110
ns
q
130
ns
q
140
ns
q
20
40
ns
q – 20
ns
50
90
ns
q
110
ns
q
120
ns
70
125
ns
q
150
ns
q
170
ns
20
30
75
ns
q
20
85
ns
q
20
90
ns
q
t8
ns
q
40
ns
15
ns
4
Share Link: 