include sample-and-hold. The LTC1096/LTC1096L have a
single differential analog input. The LTC1098/LTC1098L
offer a software selectable 2-channel MUX.
On-chip serial ports allow efficient data transfer to a wide
range of microprocessors and microcontrollers over three
wires. This, coupled with micropower consumption, makes
remote location possible and facilitates transmitting data
through isolation barriers.
These circuits can be used in ratiometric applications or
with an external reference. The high impedance analog
inputs and the ability to operate with reduced spans (be-
low 1V full scale) allow direct connection to sensors and
transducers in many applications, eliminating the need
for gain stages.
80μA Maximum Supply Current
1nA Typical Supply Current in Shutdown
5V Operation (LTC1096/LTC1098)
3V Operation (LTC1096L/LTC1098L)(2.65V Min)
Sample-and-Hold
16μs Conversion Time
33kHz Sample Rate
±0.5LSB Total Unadjusted Error Over Temp
Direct 3-Wire Interface to Most MPU Serial Ports and
All MPU Parallel I/O Ports
8-Pin SO Plastic Package
APPLICATIONS
n
n
n
n
n
n
Battery-Operated Systems
Remote Data Acquisition
Battery Monitoring
Battery Gas Gauges
Temperature Measurement
Isolated Data Acquisition
L,
LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
TYPICAL APPLICATION
10μW, S8 Package, 8-Bit A/D
Samples at 200Hz and Runs Off a 5V Battery
1μF
5V
SUPPLY CURRENT, I
CC
(μA)
Supply Current vs Sample Rate
1000
T
A
= 25°C
V
CC
= V
REF
= 5V
MPU
(e.g., 8051)
CS/
V
CC
SHUTDOWN
CLK
+IN
LTC1096
–IN
D
OUT
GND
V
REF
10968 TA01
100
P1.4
P1.3
P1.2
ANALOG INPUT
0V TO 5V RANGE
10
1
0.1
1
10
SAMPLE FREQUENCY, f
SMPL
(kHz)
100
10968 TA02
10968fc
1
LTC1096/LTC1096L
LTC1098/LTC1098L
ABSOLUTE MAXIMUM RATINGS
(Notes 1 and 2)
Supply Voltage (V
CC
) to GND ...................................12V
Voltage
Analog and Reference ................ –0.3V to V
CC
+ 0.3V
Digital Inputs ........................................ –0.3V to 12V
Digital Outputs ........................... –0.3V to V
CC
+ 0.3V
Power Dissipation ...............................................500mW
Storage Temperature Range................... –65°C to 150°C
Operating Temperature
LTC1096AC/LTC1096C/LTC1096LC/
LTC1098AC/LTC1098C/LTC1098LC .......... 0°C to 70°C
LTC1096AI/LTC1096I/LTC1096LI/
LTC1098AI/LTC1098I/LTC1098LI ......... –40°C to 85°C
Lead Temperature (Soldering, 10 sec.) ................. 300°C
PIN CONFIGURATION
LTC1096
TOP VIEW
CS/
1
SHUTDOWN
+IN 2
–IN 3
GND 4
8
7
6
5
(Note 3)
LTC1098
TOP VIEW
V
CC
CLK
D
OUT
V
REF
CS/
1
SHUTDOWN
CH0 2
CH1 3
GND 4
8
7
6
5
V
CC
(V
REF)
CLK
D
OUT
D
IN
N8 PACKAGE
S8 PACKAGE
8-LEAD PLASTIC DIP
8-LEAD PLASTIC SOIC
T
JMAX
= 150°C,
θ
JA
= 130°C/W (N8)
T
JMAX
= 150°C,
θ
JA
= 175°C/W (S8)
N8 PACKAGE
S8 PACKAGE
8-LEAD PLASTIC DIP
8-LEAD PLASTIC SOIC
T
JMAX
= 150°C,
θ
JA
= 130°C/W (N8)
T
JMAX
= 150°C,
θ
JA
= 175°C/W (S8)
ORDER INFORMATION
LEAD FREE FINISH
LTC1096ACN8#PBF
LTC1096ACS8#PBF
LTC1096AIN8#PBF
LTC1096AIS8#PBF
LTC1096CN8#PBF
LTC1096CS8#PBF
LTC1096IN8#PBF
LTC1096IS8#PBF
LTC1096LCS8#PBF
LTC1096LIS8#PBF
LTC1098ACN8#PBF
LTC1098ACS8#PBF
LTC1098CN8#PBF
LTC1098CS8#PBF
LTC1098IN8#PBF
LTC1098IS8#PBF
LTC1098LCS8#PBF
LTC1098LIS8#PBF
TAPE AND REEL
LTC1096ACN8#TRPBF
LTC1096ACS8#TRPBF
LTC1096AIN8#TRPBF
LTC1096AIS8#TRPBF
LTC1096CN8#TRPBF
LTC1096CS8#TRPBF
LTC1096IN8#TRPBF
LTC1096IS8#TRPBF
LTC1096LCS8#TRPBF
LTC1096LIS8#TRPBF
LTC1098ACN8#TRPBF
LTC1098ACS8#TRPBF
LTC1098CN8#TRPBF
LTC1098CS8#TRPBF
LTC1098IN8#TRPBF
LTC1098IS8#TRPBF
LTC1098LCS8#TRPBF
LTC1098LIS8#TRPBF
PART MARKING*
LTC1096ACN8
1096A
LTC1096AIN8
1096AI
LTC1096CN8
1096
LTC1096IN8
1096I
1096L
1096LI
LTC1098ACN8
1098A
LTC1098CN8
1098
LTC1098IN8
1098I
1098L
1098LI
PACKAGE DESCRIPTION
8-Lead Plastic DIP
8-Lead Plastic SOIC
8-Lead Plastic DIP
8-Lead Plastic SOIC
8-Lead Plastic DIP
8-Lead Plastic SOIC
8-Lead Plastic DIP
8-Lead Plastic SOIC
8-Lead Plastic SOIC
8-Lead Plastic SOIC
8-Lead Plastic DIP
8-Lead Plastic SOIC
8-Lead Plastic DIP
8-Lead Plastic SOIC
8-Lead Plastic DIP
8-Lead Plastic SOIC
8-Lead Plastic SOIC
8-Lead Plastic SOIC
TEMPERATURE RANGE
0°C to 70°C
0°C to 70°C
–40°C to 85°C
–40°C to 85°C
0°C to 70°C
0°C to 70°C
–40°C to 85°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
0°C to 70°C
0°C to 70°C
0°C to 70°C
0°C to 70°C
–40°C to 85°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
10968fc
2
LTC1096/LTC1096L
LTC1098/LTC1098L
ORDER INFORMATION
LEAD BASED FINISH
LTC1096ACN8
LTC1096ACS8
LTC1096AIN8
LTC1096AIS8
LTC1096CN8
LTC1096CS8
LTC1096IN8
LTC1096IS8
LTC1096LCS8
LTC1096LIS8
LTC1098ACN8
LTC1098ACS8
LTC1098CN8
LTC1098CS8
LTC1098IN8
LTC1098IS8
LTC1098LCS8
LTC1098LIS8
TAPE AND REEL
LTC1096ACN8#TR
LTC1096ACS8#TR
LTC1096AIN8#TR
LTC1096AIS8#TR
LTC1096CN8#TR
LTC1096CS8#TR
LTC1096IN8#TR
LTC1096IS8#TR
LTC1096LCS8#TR
LTC1096LIS8#TR
LTC1098ACN8#TR
LTC1098ACS8#TR
LTC1098CN8#TR
LTC1098CS8#TR
LTC1098IN8#TR
LTC1098IS8#TR
LTC1098LCS8#TR
LTC1098LIS8#TR
PART MARKING*
LTC1096ACN8
1096A
LTC1096AIN8
1096AI
LTC1096CN8
1096
LTC1096IN8
1096I
1096L
1096LI
LTC1098ACN8
1098A
LTC1098CN8
1098
LTC1098IN8
1098I
1098L
1098LI
PACKAGE DESCRIPTION
8-Lead Plastic DIP
8-Lead Plastic SOIC
8-Lead Plastic DIP
8-Lead Plastic SOIC
8-Lead Plastic DIP
8-Lead Plastic SOIC
8-Lead Plastic DIP
8-Lead Plastic SOIC
8-Lead Plastic SOIC
8-Lead Plastic SOIC
8-Lead Plastic DIP
8-Lead Plastic SOIC
8-Lead Plastic DIP
8-Lead Plastic SOIC
8-Lead Plastic DIP
8-Lead Plastic SOIC
8-Lead Plastic SOIC
8-Lead Plastic SOIC
TEMPERATURE RANGE
0°C to 70°C
0°C to 70°C
–40°C to 85°C
–40°C to 85°C
0°C to 70°C
0°C to 70°C
–40°C to 85°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
0°C to 70°C
0°C to 70°C
0°C to 70°C
0°C to 70°C
–40°C to 85°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
This product is only offered in trays. For more information go to:
http://www.linear.com/packaging/
RECOMMENDED OPERATING CONDITIONS
LTC1096/LTC1098
SYMBOL
V
CC
PARAMETER
Supply Voltage
CONDITIONS
LTC1096
LTC1098
V
CC
= 5V
LTC1096, f
CLK
= 500kHz
LTC1098, f
CLK
= 500kHz
V
CC
= 5V
V
CC
= 5V, LTC1096
V
CC
= 5V, LTC1098
V
CC
= 5V, LTC1096
V
CC
= 5V, LTC1098
V
CC
= 5V
V
CC
= 5V
V
CC
= 5V
MIN
3.0
3.0
25
29
29
150
500
500
10
10
400
0.8
0.8
TYP
MAX
9
6
500
UNITS
V
V
kHz
μs
μs
ns
ns
ns
μs
μs
ns
μs
μs
V
CC
= 5V Operation
f
CLK
t
CYC
t
hDI
t
suCS
t
WAKEUP
Clock Frequency
Total Cycle Time
Hold Time, D
IN
After CLK↑
Setup Time
CS↓
Before First CLK↑ (See Operating Sequence)
Wake-Up Time
CS↓
Before First CLK↓ After First CLK↑
(See Figure 1 LTC1096 Operating Sequence)
Wake-Up Time
CS↓
Before MSBF Bit CLK↓
(See Figure 2 LTC1098 Operating Sequence)
t
suDI
t
WHCLK
t
WLCLK
Setup Time, D
IN
Stable Before CLK↑
CLK High Time
CLK Low Time
10968fc
3
LTC1096/LTC1096L
LTC1098/LTC1098L
RECOMMENDED OPERATING CONDITIONS
LTC1096/LTC1098
SYMBOL
t
WHCS
t
WLCS
PARAMETER
CS
High Time Between Data Transfer Cycles
CS
Low Time During Data Transfer
CONDITIONS
V
CC
= 5V
LTC1096, f
CLK
= 500kHz
LTC1098, f
CLK
= 500kHz
V
CC
= 3V
LTC1096, f
CLK
= 250kHz
LTC1098, f
CLK
= 250kHz
V
CC
= 3V
V
CC
= 3V, LTC1096
V
CC
= 3V, LTC1098
V
CC
= 3V, LTC1096
V
CC
= 3V, LTC1098
V
CC
= 3V
V
CC
= 3V
V
CC
= 3V
V
CC
= 3V
LTC1096, f
CLK
= 250kHz
LTC1098, f
CLK
= 250kHz
MIN
1
28
28
25
58
58
450
1
1
10
10
1
1.6
1.6
2
56
56
250
TYP
MAX
UNITS
μs
μs
μs
kHz
μs
μs
ns
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
V
CC
= 3V Operation
f
CLK
t
CYC
t
hDI
t
suCS
t
WAKEUP
Clock Frequency
Total Cycle Time
Hold Time, D
IN
After CLK↑
Setup Time
CS↓
Before First CLK↑ (See Operating Sequence)
Wake-Up Time
CS↓
Before First CLK↓ After First CLK↑
(See Figure 1 LTC1096 Operating Sequence)
Wake-Up Time
CS↓
Before MSBF Bit CLK↓
(See Figure 2 LTC1098 Operating Sequence)
t
suDI
t
WHCLK
t
WLCLK
t
WHCS
t
WLCS
Setup Time, D
IN
Stable Before CLK↑
CLK High Time
CLK Low Time
CS
High Time Between Data Transfer Cycles
CS
Low Time During Data Transfer
LTC1096L/LTC1098L
SYMBOL
V
CC
f
CLK
t
CYC
t
hDI
t
suCS
t
WAKEUP
PARAMETER
Supply Voltage
Clock Frequency
Total Cycle Time
Hold Time, D
IN
After CLK↑
Setup Time
CS↓
Before First CLK↑ (See Operating Sequence)
Wake-Up Time
CS↓
Before First CLK↓ After First CLK↑
(See Figure 1 LTC1096L Operating Sequence)
Wake-Up Time
CS↓
Before MSBF Bit CLK↓
(See Figure 2 LTC1098L Operating Sequence)
t
suDI
t
WHCLK
t
WLCLK
t
WHCS
t
WLCS
Setup Time, D
IN
Stable Before CLK↑
CLK High Time
CLK Low Time
CS
High Time Between Data Transfer Cycles
CS
Low Time During Data Transfer
V
CC
= 2.65V
LTC1096L, f
CLK
= 250kHz
LTC1098L, f
CLK
= 250kHz
V
CC
= 2.65V
V
CC
= 2.65V, LTC1096L
V
CC
= 2.65V, LTC1098L
V
CC
= 2.65V, LTC1096L
V
CC
= 2.65V, LTC1098L
V
CC
= 2.65V
V
CC
= 2.65V
V
CC
= 2.65V
V
CC
= 2.65V
LTC1096L, f
CLK
= 250kHz
LTC1098L, f
CLK
= 250kHz
CONDITIONS
MIN
2.65
25
58
58
450
1
1
10
10
1
1.6
1.6
2
56
56
TYP
MAX
4.0
250
UNITS
V
kHz
μs
μs
ns
μs
μs
μs
μs
μs
μs
μs
μs
μs
μs
10968fc
4
LTC1096/LTC1096L
LTC1098/LTC1098L
CONVERTER AND MULTIPLEXER CHARACTERISTICS
LTC1096/LTC1098
The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25°C.
V
CC
= 5V, V
REF
= 5V, f
CLK
= 500kHz, unless otherwise noted.
LTC1096A/LTC1098A
PARAMETER
Resolution (No Missing Code)
Offset Error
Linearity Error
Full Scale Error
Total Unadjusted Error (Note 5)
Analog Input Range
REF Input Range (Notes 6, 7)
Analog Input Leakage Current
V
REF
= 5.000V
(Notes 6, 7)
4.5 ≤ V
CC
≤ 6V
6V < V
CC
≤ 9V, LTC1096
(Note 8)
l
LTC1096/LTC1098
MIN
8
TYP
MAX
±0.5
±0.5
±1.0
±1.0
UNITS
Bits
LSB
LSB
LSB
LSB
V
V
V
±1.0
μA
CONDITIONS
l
l
MIN
8
TYP
MAX
±0.5
±0.5
±0.5
±0.5
(Note 4)
l
l
l
–0.05V to V
CC
+ 0.05V
–0.05V to V
CC
+ 0.05V
–0.05V to 6V
±1.0
LTC1096/LTC1098
The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25°C.
V
CC
= 3V, V
REF
= 2.5V, f
CLK
= 250kHz, unless otherwise noted.
LTC1096A/LTC1098A
PARAMETER
Resolution (No Missing Code)
Offset Error
Linearity Error
Full-Scale Error
Total Unadjusted Error (Notes 5, 9)
Analog Input Range
REF Input Range (Notes 6, 7, 9)
Analog Input Leakage Current
V
REF
= 2.500V
(Notes 6, 7)
3V ≤ V
CC
≤ 6V
(Notes 8, 9)
l
LTC1096/LTC1098
MIN
8
TYP
MAX
±1.0
±1.0
±1.0
±1.5
UNITS
Bits
LSB
LSB
LSB
LSB
V
V
±1.0
μA
CONDITIONS
l
l
l
l
l
MIN
8
TYP
MAX
±0.75
±0.5
±1.0
±1.0
(Notes 4, 9)
–0.05V to V
CC
+ 0.05V
–0.05V to V
CC
+ 0.05V
±1.0
LTC1096L/LTC1098L
The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
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Preface
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Microcontroller MCU
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