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DAC101C081 데이터시트 PDF




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부품번호 DAC101C081 기능
기능 12-Bit Micro Power Digital-to-Analog Converter with an I2C-Compatible Interface
제조업체 National Semiconductor
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DAC101C081 데이터시트, 핀배열, 회로
December 20, 2007
www.DataSheet4U.com
DAC121C081/ DAC121C085
12-Bit Micro Power Digital-to-Analog Converter with an
I2C-Compatible Interface
General Description
The DAC121C081 is a 12-bit, single channel, voltage-output
digital-to-analog converter (DAC) that operates from a +2.7V
to 5.5V supply. The output amplifier allows rail-to-rail output
swing and has an 8.5usec settling time. The DAC121C081
uses the supply voltage as the reference to provide the widest
dynamic output range and typically consumes 132uA while
operating at 5.0V. It is available in 6-lead TSOT and LLP
packages and provides three address options (pin se-
lectable).
As an alternative, the DAC121C085 provides nine I2C ad-
dressing options and uses an external reference. It has the
same performance and settling time as the DAC121C081. It
is available in an 8-lead MSOP.
The DAC121C081 and DAC121C085 use a 2-wire, I2C-com-
patible serial interface that operates in all three speed modes,
including high speed mode (3.4MHz). An external address
selection pin allows up to three DAC121C081 or nine
DAC121C085 devices per 2-wire bus. Pin compatible alter-
natives to the DAC121C081 are available that provide addi-
tional address options.
The DAC121C081 and DAC121C085 each have a 16-bit reg-
ister that controls the mode of operation, the power-down
condition, and the output voltage. A power-on reset circuit
ensures that the DAC output powers up to zero volts. A power-
down feature reduces power consumption to less than a
microWatt. Their low power consumption and small packages
make these DACs an excellent choice for use in battery op-
erated equipment. Each DAC operates over the extended
industrial temperature range of −40°C to +125°C.
The DAC121C081 and DAC121C085 are each part of a fam-
ily of pin compatible DACs that also provide 8 and 10 bit
resolution. For 8-bit DACs see the DAC081C081 and
DAC081C085. For 10-bit DACs see the DAC101C081 and
DAC101C085.
Features
Guaranteed Monotonicity to 12-bits
Low Power Operation: 156 µA max @ 3.3V
Extended power supply range (+2.7V to +5.5V)
I2C-Compatible 2-wire Interface which supports standard
(100kHz), fast (400kHz), and high speed (3.4MHz) modes
Rail-to-Rail Voltage Output
Very small 6-pin TSOT and LLP Packages
Key Specifications
Resolution
INL
DNL
Settling Time
Zero Code Error
Full-Scale Error
Supply Power
Normal
Power Down
12 bits
±8 LSB (max)
+0.6 / -0.5 LSB (max)
8.5 µs (max)
+10 mV (max)
−0.7 %FS (max)
380 µW (3V) / 730 µW (5V) typ
0.5 µW (3V) / 0.9 µW (5V) typ
Applications
Industrial Process Control
Portable Instruments
Digital Gain and Offset Adjustment
Programmable Voltage & Current Sources
Test Equipment
Pin-Compatible Alternatives
All devices are fully pin and function compatible.
Resolution TSOT-6 and LLP-6 MSOP-8 Package w/
Packages
External Reference
12-bit
DAC121C081
DAC121C085
10-bit
DAC101C081
DAC101C085
8-bit
DAC081C081
DAC081C085
Connection Diagrams
30004901
I2C® is a registered trademark of Phillips Corporation.
© 2007 National Semiconductor Corporation
300049
30004902
30004910
www.national.com




DAC101C081 pdf, 반도체, 판매, 대치품
Absolute Maximum Ratings
(Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage, VA
Voltage on any Input Pin
Input Current at Any Pin (Note 3)
Package Input Current (Note 3)
Power Consumption at TA = 25°C
ESD Susceptibility (Note 5)
Human Body Model
Machine Model
Charge Device Model (CDM)
Junction Temperature
Storage Temperature
−0.3V to +6.5V
−0.3V to +6.5V
±10 mA
±20 mA
See (Note 4)
2500V
250V
1000V
+150°C
−65°C to +150°C
Operating Ratingsww(Nwo.Dteast1a,S2h)eet4U.com
Operating Temperature Range
Supply Voltage, VA
Reference Voltage, VREFIN
Digital Input Voltage (Note 7)
−40°C TA +125°C
+2.7V to 5.5V
+1.0V to VA
0.0V to 5.5V
Output Load
0 to 1500 pF
Package Thermal Resistances
Package
6-Lead TSOT
θJA
250°C/W
6-Lead LLP
190°C/W
8-Lead MSOP
240°C/W
Soldering process must comply with National
Semiconductor's Reflow Temperature Profile specifications.
Refer to www.national.com/packaging. (Note 6)
Electrical Characteristics
Values shown in this table are design targets and are subject to change before product release.
The following specifications apply for VA = +2.7V to +5.5V, VREF = VA, CL = 200 pF to GND, input code range 48 to 4047. Boldface
limits apply for TMIN TA TMAX and all other limits are at TA = 25°C, unless otherwise specified.
Symbol
Parameter
Conditions
Typical
(Note 9)
Limits
(Note 9)
Units
(Limits)
STATIC PERFORMANCE
Resolution
12 Bits (min)
Monotonicity
12 Bits (min)
INL Integral Non-Linearity
+2.2
−1.5
+8 LSB (max)
−8 LSB (min)
DNL Differential Non-Linearity
+0.18
−0.12
+0.6
−0.5
LSB (max)
LSB (min)
ZE
FSE
GE
Zero Code Error
Full-Scale Error
Gain Error
IOUT = 0
IOUT = 0
All ones Loaded to DAC register
+1.1
−0.1
−0.2
+10
−0.7
−0.7
mV (max)
%FSR (max)
%FSR (max)
ZCED Zero Code Error Drift
−20 µV/°C
TC GE Gain Error Tempco
VA = 3V
VA = 5V
ANALOG OUTPUT CHARACTERISTICS (VOUT)
Output Voltage Range(Note 10)
DAC121C085
DAC121C081
ZCO Zero Code Output
FSO Full Scale Output
IOS
Output Short Circuit Current
(ISOURCE)
Output Short Circuit Current
IOS (ISINK)
IO
Continuous Output
Current (Note 10)
VA = 3V, IOUT = 200 µA
VA = 5V, IOUT = 200 µA
VA = 3V, IOUT = 200 µA
VA = 5V, IOUT = 200 µA
VA = 3V, VOUT = 0V, Input Code = FFFh.
VA = 5V, VOUT = 0V, Input Code = FFFh.
VA = 3V, VOUT = 3V, Input Code = 000h.
VA = 5V, VOUT = 5V, Input Code = 000h.
Available on the DAC output
−0.7
−1.0
1.3
7.0
2.984
4.989
56
69
−52
−75
0
VREF
0
VA
11
ppm FSR/°C
ppm FSR/°C
V (min)
V (max)
V (min)
V (max)
mV
mV
V
V
mA
mA
mA
mA
mA (max)
www.national.com
4

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DAC101C081 전자부품, 판매, 대치품
A.C. and Timing Characteristics
Values shown in this table are design targets and are subject to change before product release.
www.DataSheet4U.com
The following specifications apply for VA = +2.7V to +5.5V, VREF = VA, RL = Infinity, CL = 200 pF to GND. Boldface limits apply
for TMIN TA TMAX and all other limits are at TA = 25°C, unless otherwise specified.
Symbol
Parameter
Conditions (Note 13)
Typical
(Note 9)
Limits
(Notes 9,
13)
Units
(Limits)
ts
Output Voltage Settling Time
(Note 10)
SR Output Slew Rate
400h to C00h code change
RL = 2k, CL = 200 pF
6 8.5 µs (max)
1 V/µs
Glitch Impulse
Code change from 800h to 7FFh
12
nV-sec
Digital Feedthrough
0.5 nV-sec
Multiplying Bandwidth(Note 12)
Total Harmonic Distortion(Note 12)
VREF = 2.5V ± 0.1Vpp
VREF = 2.5V ± 0.1Vpp
input frequency = 10kHz
160
70
kHz
dB
tWU Wake-Up Time
DIGITAL TIMING SPECS (SCL, SDA)
VA = 3V
VA = 5V
0.8 µsec
0.5 µsec
fSCL Serial Clock Frequency
tLOW
SCL Low Time
tHIGH
SCL High Time
tSU;DAT Data Setup Time
Standard Mode
Fast Mode
High Speed Mode, Cb = 100pF
High Speed Mode, Cb = 400pF
Standard Mode
Fast Mode
High Speed Mode, Cb = 100pF
High Speed Mode, Cb = 400pF
Standard Mode
Fast Mode
High Speed Mode, Cb = 100pF
High Speed Mode, Cb = 400pF
Standard Mode
Fast Mode
High Speed Mode
100 KHz (max)
400 KHz (max)
3.4 MHz (max)
1.7 MHz (max)
4.7 us (min)
1.3 us (min)
160 ns (min)
320 ns (min)
4.0 us (min)
0.6 us (min)
60 ns (min)
120 ns (min)
250 ns (min)
100 ns (min)
10 ns (min)
Standard Mode
0 us (min)
3.45 us (max)
tHD;DAT Data Hold Time
Fast Mode
High Speed Mode, Cb = 100pF
0 us (min)
0.9 us (max)
0 ns (min)
70 ns (max)
High Speed Mode, Cb = 400pF
0 ns (min)
150 ns (max)
tSU;STA
Setup time for a start or a repeated
start condition
Standard Mode
Fast Mode
High Speed Mode
4.7 us (min)
0.6 us (min)
160 ns (min)
tHD;STA
Hold time for a start or a repeated start
condition
Standard Mode
Fast Mode
High Speed Mode
4.0 us (min)
0.6 us (min)
160 ns (min)
tBUF
Bus free time between a stop and start Standard Mode
condition
Fast Mode
4.7 us (min)
1.3 us (min)
tSU;STO Setup time for a stop condition
Standard Mode
Fast Mode
High Speed Mode
4.0 us (min)
0.6 us (min)
160 ns (min)
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관련 데이터시트

부품번호상세설명 및 기능제조사
DAC101C081

Digital-to-Analog Converter With an I2C-Compatible Interface (Rev. B)

Texas Instruments
Texas Instruments
DAC101C081

12-Bit Micro Power Digital-to-Analog Converter with an I2C-Compatible Interface

National Semiconductor
National Semiconductor

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