Datasheet

LTC1604
4
1604fa
POWER REQUIREMENTS
TIMING CHARACTERISTICS
(Note 5)
(Note 5)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
DD
Positive Supply Voltage (Notes 12, 13) 4.75 5.25 V
V
SS
Negative Supply Voltage (Note 12) –4.75 –5.25 V
I
DD
Positive Supply Current
Nap Mode
Sleep Mode
CS = RD = 0V
CS = 0V, SHDN = 0V
CS = 5V, SHDN = 0V
l
18
1.5
1
30
2.4
100
mA
mA
μA
I
SS
Negative Supply Current
Nap Mode
Sleep Mode
CS = RD = 0V
CS = 0V, SHDN = 0V
CS = 5V, SHDN = 0V
l
26
1
1
40
100
100
mA
μA
μA
P
D
Power Dissipation
Nap Mode
Sleep Mode
CS = RD = 0V
CS = 0V, SHDN = 0V
CS = 5V, SHDN = 0V
l
220
7.5
0.01
350
12
1
mW
mW
mW
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
f
SMPL(MAX)
Maximum Sampling Frequency
l
333 kHz
t
CONV
Conversion Time
l
1.5 2.45 2.8 μs
t
ACQ
Acquisition Time (Note 11)
l
480 ns
t
ACQ+CONV
Throughput Time (Acquisition + Conversion)
l
3μs
t
1
CS to RD Setup Time (Notes 11, 12)
l
0ns
t
2
CS↓ to CONVST↓ Setup Time (Notes 11, 12)
l
10 ns
t
3
SHDN↓ to CS↑ Setup Time (Notes 11, 12)
l
10 ns
t
4
SHDN↑ to CONVST↓ Wake-Up Time CS = Low (Note 12) 400 ns
t
5
CONVST Low Time (Note 12)
l
40 ns
t
6
CONVST to BUSY Delay C
L
= 25pF
l
36
80
ns
ns
t
7
Data Ready Before BUSY↑
l
32
60 ns
ns
t
8
Delay Between Conversions (Note 12)
l
200 ns
t
9
Wait Time RD↓ After BUSY↑ (Note 12)
l
–5 ns
t
10
Data Access Time After RD↓ C
L
= 25pF
l
40 50
60
ns
ns
C
L
= 100pF
l
45 60
75
ns
ns
t
11
Bus Relinquish Time
LTC1604C
LTC1604I
l
l
50 60
70
75
ns
ns
ns
t
12
RD Low Time (Note 12)
l
t
10
ns
t
13
CONVST High Time (Note 12)
l
40 ns
t
14
Aperture Delay of Sample-and-Hold 2 ns