2
LTC1594L/LTC1598L
15948lfb
(Notes 1, 2)
Supply Voltage (VCC) to GND................................... 12V
Voltage
Analog Reference .................... – 0.3V to (VCC + 0.3V)
Analog Inputs .......................... – 0.3V to (VCC + 0.3V)
Digital Inputs .........................................– 0.3V to 12V
Digital Output .......................... – 0.3V to (VCC + 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
TJMAX = 150°C, θJA = 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
DIN
COM
GND
CSADC
DOUT
NC
CH4
CH3
CH2
CH1
CH0
VCC
MUXOUT
ADCIN
VREF
VCC
CLK
NC
TJMAX = 125°C, θJA = 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
VREF
COM
GND
VCC
MUXOUT
DIN
CSMUX
CLK
VCC
DOUT
CSADC
RECOM ENDED OPERATING CONDITIONS
U
W
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCC
Supply Voltage (Note 3)
2.7
3.6
V
fCLK
Clock Frequency
VCC = 2.7V
(Note 4)
200
kHz
tCYC
Total Cycle Time
fCLK = 200kHz
95
s
thDI
Hold Time, DIN After CLK↑
VCC = 2.7V
450
ns
tsuCS
Setup Time CS
↓ Before First CLK↑ (See Operating Sequence)
VCC = 2.7V
2
s
tsuDI
Setup Time, DIN Stable Before CLK↑
VCC = 2.7V
600
ns
tWHCLK
CLK High Time
VCC = 2.7V
1.5
s
tWLCLK
CLK Low Time
VCC = 2.7V
1.5
s
tWHCS
CS High Time Between Data Transfer Cycles
fCLK = 200kHz
25
s
tWLCS
CS Low Time During Data Transfer
fCLK = 200kHz
70
s
LTC1594LCS
LTC1594LIS
LTC1598LCG
LTC1598LIG
The q denotes the specifications which apply over
the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5)