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Linear Technology Electronic Components Datasheet

LT1096L Datasheet

(LT1096 / LT1098) Micropower Sampling 8-Bit Serial I/O A/D Converters

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LTC1096/LTC1096L
m LTC1098/LTC1098L
U.co Micropower Sampling
t4 8-Bit Serial I/O A/D Converters
taSheeFEATURES
.Das 80µA Maximum Supply Current
s 1nA Typical Supply Current in Shutdown
ws 8-Pin SO Plastic Package
wws 5V Operation (LTC1096/LTC1098)
s 3V Operation (LTC1096L/LTC1098L)(2.65V Min)
ms Sample-and-Hold
os 16µs Conversion Time
.cs 33kHz Sample Rate
s ±0.5LSB Total Unadjusted Error Over Temp
s Direct 3-Wire Interface to Most MPU Serial Ports and
UAll MPU Parallel I/O Ports
t4APPLICATI S
es Battery-Operated Systems
es Remote Data Acquisition
hs Battery Monitoring
s Battery Gas Gauges
Ss Temperature Measurement
tas Isolated Data Acquisition
, LTC and LT are registered trademarks of Linear Technology Corporation.
DESCRIPTIO
The LTC®1096/LTC1096L/LTC1098/LTC1098L are
micropower, 8-bit A/D converters that draw only 80µA of
supply current when converting. They automatically power
down to 1nA typical supply current whenever they are not
performing conversions. They are packaged in 8-pin SO
packages and have both 3V (L) and 5V versions. These
8-bit, switched-capacitor, successive approximation ADCs
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
(below 1V full scale) allow direct connection to sensors
and transducers in many applications, eliminating the
need for gain stages.
.DaTYPICAL APPLICATI
w10µW, S8 Package, 8-Bit A/D
Samples at 200Hz and Runs Off a 5V Battery
w 1µF 5V
w et4U.comANALOG INPUT
www.DataShe 10V TO 5V RANGE
CS/
SHUTDOWN
VCC
+IN CLK
LTC1096
–IN DOUT
GND VREF
MPU
(e.g., 8051)
P1.4
P1.3
P1.2
LTC1096/8 • TA01
Supply Current vs Sample Rate
1000
TA = 25°C
VCC = VREF = 5V
100
10
1
0.1
1 10 100
SAMPLE FREQUENCY, fSMPL (kHz)
LTC1096/98 • TPC03


Linear Technology Electronic Components Datasheet

LT1096L Datasheet

(LT1096 / LT1098) Micropower Sampling 8-Bit Serial I/O A/D Converters

No Preview Available !

LTC1096/LTC1096L
LTC1098/LTC1098L
ABSOLUTE AXI U RATI GS (Notes 1 and 2)
Supply Voltage (VCC) to GND ................................... 12V
Voltage
Analog and Reference ................ –0.3V to VCC + 0.3V
Digital Inputs ......................................... –0.3V to 12V
Digital Outputs ........................... –0.3V to VCC + 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
PACKAGE/ORDER I FOR ATIO
CS/
SHUTDOWN
1
+IN 2
–IN 3
GND 4
TOP VIEW
8 VCC
7 CLK
6 DOUT
5 VREF
N8 PACKAGE
S8 PACKAGE
8-LEAD PLASTIC DIP 8-LEAD PLASTIC SOIC
TJMAX = 150°C, θJA = 130°C/W (N8)
TJMAX = 150°C, θJA = 175°C/W (S8)
S8 PART MARKING
1096 1096I 1096L
1096A 1096IA 1096LI
ORDER PART
NUMBER
LTC1096ACN8
LTC1096ACS8
LTC1096AIN8
LTC1096AIS8
LTC1096CN8
LTC1096CS8
LTC1096IN8
LTC1096IS8
LTC1096LCS8
LTC1096LIS8
(Notes 3)
CS/
SHUTDOWN
1
CH0 2
CH1 3
GND 4
TOP VIEW
8 VCC(VREF)
7 CLK
6 DOUT
5 DIN
N8 PACKAGE
S8 PACKAGE
8-LEAD PLASTIC DIP 8-LEAD PLASTIC SOIC
TJMAX = 150°C, θJA = 130°C/W (N8)
TJMAX = 150°C, θJA = 175°C/W (S8)
S8 PART MARKING
1098 1098I 1098L
1098A 1098IA 1098LI
Consult factory for Military grade parts.
ORDER PART
NUMBER
LTC1098ACN8
LTC1098ACS8
LTC1098AIN8
LTC1098AIS8
LTC1098CN8
LTC1098CS8
LTC1098IN8
LTC1098IS8
LTC1098LCS8
LTC1098LIS8
RECO E DED OPERATI G CO DITIO S
LTC1096/LTC1098
SYMBOL PARAMETER
VCC Supply Voltage
VCC = 5V Operation
fCLK Clock Frequency
tCYC Total Cycle Time
t hDI
t suCS
Hold Time, DIN After CLK
Setup Time CSBefore First CLK(See Operating Sequence)
t WAKEUP
t suDI
t WHCLK
Wake-Up Time CSBefore First CLKAfter First CLK
(See Figure 1 LTC1096 Operating Sequence)
Wake-Up Time CSBefore MSBF Bit CLK
(See Figure 2 LTC1098 Operating Sequence)
Setup Time, DIN Stable Before CLK
CLK High Time
CONDITIONS
LTC1096
LTC1098
VCC = 5V
LTC1096, fCLK = 500kHz
LTC1098, fCLK = 500kHz
VCC = 5V
VCC = 5V, LTC1096
VCC = 5V, LTC1098
VCC = 5V, LTC1096
VCC = 5V, LTC1098
VCC = 5V
VCC = 5V
MIN TYP MAX
3.0 9
3.0 6
25 500
29
29
150
500
500
10
10
400
0.8
UNITS
V
V
kHz
µs
µs
ns
ns
ns
µs
µs
ns
µs
2


Part Number LT1096L
Description (LT1096 / LT1098) Micropower Sampling 8-Bit Serial I/O A/D Converters
Maker Linear
Total Page 28 Pages
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