ltc1278-5 Linear Technology Corporation, ltc1278-5 Datasheet - Page 4

• Manufacturer Part Number: ltc1278-5
• Description: 12-bit, 500ksps Sampling A/d Converter With Shutdown
• Manufacturer: Linear Technology Corporation

POWER REQUIRE E TS
TI I G CHARACTERISTICS
LTC1278
SYMBOL
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
4
SYMBOL PARAMETER
V
V
I
I
P
SAMPLE(MAX)
SAMPLE(MIN)
CONV
ACQ
1
2
3
4
5
6
7
8
9
10
11
12
DD
SS
DD
SS
D
W U
Positive Supply Voltage (Notes 10, 11)
Negative Supply Voltage (Note 10)
Positive Supply Current
Negative Supply Current
Power Dissipation
PARAMETER
Maximum Sampling Frequency
Minimum Throughput Time
(Acquisition Time Plus Conversion Time)
Conversion Time
Acquisition Time
CS to RD Setup Time
CS to CONVST Setup Time
SHDN to CONVST Wake-Up Time
CONVST Low Time
CONVST to BUSY Delay
Data Ready Before BUSY
Wait Time RD After BUSY
Data Access Time After RD
Bus Relinquish Time
RD Low Time
CONVST High Time
Aperture Delay of Sample-and-Hold
W U
(Note 5)
(Note 5)
CONDITIONS
LTC1278-4
LTC1278-5
LTC1278-4
LTC1278-5
LTC1278-4
LTC1278-5
(Notes 9, 10)
(Notes 9, 10)
(Note 10)
(Notes 10, 12)
C
C
Mode 2, (see Figure 14) (Note 9)
C
C
(Note 9)
(Notes 9, 12)
Jitter < 50ps
CONDITIONS
Unipolar
Bipolar
Bipolar Only
f
SHDN = 0V
f
f
SHDN = 0V
SAMPLE
SAMPLE
SAMPLE
L
L
L
L
Commercial
Industrial
Commercial
Industrial
Commercial
Industrial
Commercial
Industrial
= 100pF
= 100pF
= 20pF (Note 9)
= 100pF
= 500ksps
= 500ksps, V
= 500ksps
SS
= – 5V
– 2.45
MIN
MIN
4.95
4.75
– 20
400
500
LTC1278-4/LTC1278-5
20
40
20
20
20
20
40
LTC1278-4/LTC1278-5
t
0
8
15.0
0.12
75.0
TYP
TYP
200
350
1.7
8.5
2.0
1.6
40
40
50
70
30
15
– 5.25
MAX
MAX
5.25
5.25
29.5
0.30
110
130
140
110
120
125
150
170
150
2.5
2.0
3.0
2.3
1.85
90
75
85
90
15
UNITS
UNITS
mW
mW
kHz
mA
mA
mA
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
V
V
s
s
s
s