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LTC1659IS8 PDF даташит

Спецификация LTC1659IS8 изготовлена ​​​​«Linear Technology» и имеет функцию, называемую «12-Bit Rail-to-Rail Micropower DAC in MSOP Package».

Детали детали

Номер произв LTC1659IS8
Описание 12-Bit Rail-to-Rail Micropower DAC in MSOP Package
Производители Linear Technology
логотип Linear Technology логотип 

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LTC1659IS8 Даташит, Описание, Даташиты
FEATURES
s 8-Lead MSOP Package
s 12-Bit Resolution
s Supply Operation: 3V to 5V
s Buffered True Rail-to-Rail Voltage Output
s Output Swings from 0V to VREF
s VREF Can Tie to VCC
s Schmitt Trigger On Clock Input Allows Direct
Optocoupler Interface
s Power-On Reset Clears DAC to 0V
s 3-Wire Cascadable Serial Interface
s Maximum DNL Error: 0.5LSB
s Low Cost
U
APPLICATIONS
s Digital Calibration
s Industrial Process Control
s Automatic Test Equipment
s Cellular Telephones
LTC1659
12-Bit Rail-to-Rail
Micropower DAC in
MSOP Package
DESCRIPTION
The LTC®1659 is a single supply, rail-to-rail voltage out-
put, 12-bit digital-to-analog converter (DAC) in an MSOP
package. It includes a rail-to-rail output buffer amplifier
and an easy-to-use 3-wire cascadable serial interface.
The LTC1659 output swings from 0V to REF. The REF input
can be tied to VCC which can range from 2.7V to 5.5V. This
allows a rail-to-rail output swing from 0V to VCC. The
LTC1659 draws only 250µA from a 5V supply.
Itsguaranteed ±0.5LSBmaximumDNLmakestheLTC1659
excel in calibration, control and trim/adjust applications.
The low power supply current and the small MSOP pack-
age make the LTC1659 ideal for battery-powered applica-
tions.
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATION
µP
TO
OTHER
DACS
Functional Block Diagram: 12-Bit Rail-to-Rail DAC
2.7V TO 5.5V
2 DIN
8
VCC
1 CLK
3 CS/LD
4 DOUT
12-BIT
SHIFT
REG
AND
DAC
LATCH
POWER-ON
RESET
6
REF
12-BIT
DAC
GND
5
+ VOUT 7 RAIL-TO-RAIL
VOLTAGE
OUTPUT
1659 TA01
Differential Nonlinearity
vs Input Code
0.5
0
–0.5
0 512 1024 1536 2048 2560 3072 3584 4095
CODE
1659 TA02
1









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LTC1659IS8 Даташит, Описание, Даташиты
LTC1659
ABSOLUTE MAXIMUM RATINGS
VCC to GND ...............................................– 0.5V to 7.5V
Logic Inputs to GND .................................– 0.5V to 7.5V
VOUT ............................................... – 0.5V to VCC + 0.5V
Maximum Junction Temperature .......................... 125°C
Storage Temperature Range ................. – 65°C to 150°C
Operating Temperature Range
LTC1659CS8 ........................................... 0°C to 70°C
LTC1659IS8 ....................................... – 40°C to 85°C
LTC1659CMS8 (Note 1) .......................... 0°C to 70°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PACKAGE/ORDER I FOR ATIO
TOP VIEW
CLK 1
DIN 2
CS/LD 3
DOUT 4
8 VCC
7 VOUT
6 REF
5 GND
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 125°C, θJA = 150°C/W
Consult factory for Military grade parts.
ORDER PART
NUMBER
LTC1659CS8
LTC1659IS8
S8 PART MARKING
1659
1659I
TOP VIEW
CLK 1
DIN 2
CS/LD 3
DOUT 4
8 VCC
7 VOUT
6 REF
5 GND
MS8 PACKAGE
8-LEAD PLASTIC MSOP
TJMAX = 125°C, θJA = 206°C/W
ORDER PART
NUMBER
LTC1659CMS8
MS8 PART MARKING
LTCK
ELECTRICAL CHARACTERISTICS
VCC = 2.7V to 5.5V, VOUT unloaded, REF VCC, TA = TMIN to TMAX, unless otherwise noted.
SYMBOL
DAC
DNL
INL
PARAMETER
Resolution
Monotonicity
Differential Nonlinearity
Integral Nonlinearity
VOS
VOSTC
VFS
VFSTC
Offset Error
Offset Error Temperature
Coefficient
Full-Scale Voltage
Full-Scale Voltage
Temperature Coefficient
CONDITIONS
VREF VCC – 0.1V (Note 2)
VREF VCC – 0.1V (Note2), TA = 25°C
VREF VCC – 0.1V (Note 2)
Measured at Code 20, TA = 25°C
Measured at Code 20
TA = 25°C, REF = 4.096V (Note 6)
REF = 4.096V (Note 6)
q
q
q
q
q
q
MIN TYP MAX
12
12
±0.5
±5.0
±5.5
± 12
± 18
±15
4.070
4.060
4.095
4.095
10
4.120
4.130
UNITS
Bits
Bits
LSB
LSB
LSB
mV
mV
µV/°C
V
V
ppm/°C
2









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LTC1659IS8 Даташит, Описание, Даташиты
LTC1659
ELECTRICAL CHARACTERISTICS
VCC = 2.7V to 5.5V, VOUT unloaded, REF VCC, TA = TMIN to TMAX, unless otherwise noted.
SYMBOL PARAMETER
Power Supply
VCC Positive Supply Voltage
ICC Supply Current
Op Amp DC Performance
Short-Circuit Current Low
Short-Circuit Current High
Output Impedance to GND
Output Line Regulation
AC Performance
Voltage Output Slew Rate
Voltage Output Settling Time
Digital Feedthrough
Reference Input
RIN REF Input Resistance
REF REF Input Range
Digital I/O
VIH Digital Input High Voltage
VIL Digital Input Low Voltage
VOH Digital Output High Voltage
VOL Digital Output Low Voltage
VIH Digital Input High Voltage
VIL Digital Input Low Voltage
VOH Digital Output High Voltage
VOL Digital Output Low Voltage
ILEAK Digital Input Leakage
CIN Digital Input Capacitance
CONDITIONS
For Specified Performance
(Note 5)
VOUT Shorted to GND
VOUT Shorted to VCC
Input Code = 0
Input Code = 4095, VCC = 4.5V to 5.5V
(Note 3)
(Notes 3, 4) to ±0.5LSB
(Notes 6, 7)
VCC = 5V
VCC = 5V
VCC = 5V, IOUT = – 1mA, DOUT Only
VCC = 5V, IOUT = 1mA, DOUT Only
VCC = 3V
VCC = 3V
VCC = 3V, IOUT = – 1mA, DOUT Only
VCC = 3V, IOUT = 1mA, DOUT Only
VIN = GND to VCC
(Note 7)
q
q
q
q
q
q
q
q
q
q
q
q
q
q
q
q
q
q
MIN
2.7
0.5
17
0
2.4
VCC – 1.0
2.0
VCC – 0.7
TYP
240
70
65
40
0.1
1.0
14
0.3
28
MAX
5.5
450
120
120
150
1.5
40
VCC
0.8
0.4
0.6
0.4
± 10
10
UNITS
V
µA
mA
mA
LSB/V
V/µs
µs
nV • s
k
V
V
V
V
V
V
V
V
V
µA
pF
3










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Номер в каталогеОписаниеПроизводители
LTC1659IS812-Bit Rail-to-Rail Micropower DAC in MSOP PackageLinear Technology
Linear Technology

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