Datasheet
2
LTC1594L/LTC1598L
15948lfb
(Notes 1, 2)
Supply Voltage (V
CC
) to GND................................... 12V
Voltage
Analog Reference .................... –0.3V to (V
CC
+ 0.3V)
Analog Inputs .......................... –0.3V to (V
CC
+ 0.3V)
Digital Inputs .........................................–0.3V to 12V
Digital Output .......................... –0.3V to (V
CC
+ 0.3V)
ABSOLUTE MAXIMUM RATINGS
W
WW
U
Power Dissipation.............................................. 500mW
Operating Temperature Range
LTC1594LCS/LTC1598LCG ..................... 0°C to 70°C
LTC1594LIS/LTC1598LIG ................. –40°C to 85°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PACKAGE/ORDER INFORMATION
W
UU
Consult factory for Military grade parts.
ORDER PART
NUMBER
ORDER PART
NUMBER
T
JMAX
= 150°C, θ
JA
= 110°C/ W
1
2
3
4
5
6
7
8
9
10
11
12
TOP VIEW
G PACKAGE
24-LEAD PLASTIC SSOP
24
23
22
21
20
19
18
17
16
15
14
13
CH5
CH6
CH7
GND
CLK
CSMUX
D
IN
COM
GND
CSADC
D
OUT
NC
CH4
CH3
CH2
CH1
CH0
V
CC
MUXOUT
ADCIN
V
REF
V
CC
CLK
NC
T
JMAX
= 125°C, θ
JA
= 120°C/ W
TOP VIEW
S PACKAGE
16-LEAD PLASTIC SO
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
CH0
CH1
CH2
CH3
ADCIN
V
REF
COM
GND
V
CC
MUXOUT
D
IN
CSMUX
CLK
V
CC
D
OUT
CSADC
RECOM ENDED OPERATING CONDITIONS
UU
UU
WW
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
CC
Supply Voltage (Note 3) 2.7 3.6 V
f
CLK
Clock Frequency V
CC
= 2.7V (Note 4) 200 kHz
t
CYC
Total Cycle Time f
CLK
= 200kHz 95 µs
t
hDI
Hold Time, D
IN
After CLK↑ V
CC
= 2.7V 450 ns
t
suCS
Setup Time CS↓ Before First CLK↑ (See Operating Sequence) V
CC
= 2.7V 2 µs
t
suDI
Setup Time, D
IN
Stable Before CLK↑ V
CC
= 2.7V 600 ns
t
WHCLK
CLK High Time V
CC
= 2.7V 1.5 µs
t
WLCLK
CLK Low Time V
CC
= 2.7V 1.5 µs
t
WHCS
CS High Time Between Data Transfer Cycles f
CLK
= 200kHz 25 µs
t
WLCS
CS Low Time During Data Transfer f
CLK
= 200kHz 70 µs
LTC1594LCS
LTC1594LIS
LTC1598LCG
LTC1598LIG
The ● denotes the specifications which apply over
the full operating temperature range, otherwise specifications are at T
A
= 25°C. (Note 5)