AS5181 Datasheet PDF - Micross Components

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AS5181
Micross Components

Part Number AS5181
Description DAC
Page 16 Pages


AS5181 datasheet pdf
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10 Bit, 40MHz
Current -Output DACs
FEATURES
+2.7V to +3.3V Single-Supply Operation
• Wide Spurious-Free Dynamic Range: 70dB at
• FfOuUllTy=D2i.f2feMreHnztial Output
• Low-Current Standby or Full Shutdown Modes
Internal +1.2V, Low-Noise Bandgap Reference
Small 24-Pin Flat-pack Package
OPTIONS
Package(s)
24-Pin Flat-pack
MARKING
F
Operating Temperature Ranges
Extended Temperature (-55oC to +125oC)
Industrial Temperature (-40°C to +85°C)
Military Processing (-55°C to +125°C)
Space Processing (-55oC to +125oC)
XT
IT
MIL
SPACE
DAC
AS5181
PIN ASSIGNMENT
(Top View)
24-Pin Flat Pack (F)
GENERAL DESCRIPTION
The AS5181 is a 10-bit, current-output digital-to-analog
converter (DAC) designed for superior performance in signal
reconstruction or arbitrary waveform generation applications
requiring analog signal reconstruction with low distortion
and low-power operation. The AS5181 are designed for a
10pVs glitch operation to minimize unwanted spurious signal
components at the output. An on-board 1.2V bandgap circuit
provides a well-regulated, low-noise reference that can be
disabled for external reference operation.
The devices are designed to provide a high level of sig-
nal integrity for the least amount of power dissipation. They
operate from a single 2.7V to 3.3V supply. Additionally,
these DACs have three modes of operation: normal, low-
power standby, and full shutdown, which provides the lowest
possible power dissipation with a 1μA (max) shutdown current.
A fast wake-up time (0.5μs) from standby mode to full DAC
operation facilitates power conservation by activating the DAC
only when required.
For more products and information
please visit our web site at
www.micross.com
AS5181
Rev. 0.4 01/10
Micross Components reserves the right to change products or specications without notice.
1



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DAC
AS5181
ABSOLUTE MAXIMUM RATINGS*
ADVigDitDa,l
DInVpDuDtsttooADGGNNDD,.D...G...N...D.....................................................--00..33VV
to
to
+6V
+6V
OUTP, OUTN, CREF to AGND….....................-0.3V to +6V
VAGRENF Dto
AGND....................................................-0.3V to +6V
to DGND.............................................-0.3V to +0.3V
AVDD to DVDD ................................................................±3.3V
Maximum Current to Any Pin........................................50mA
Continuous Power Dissipation (TA = +70°C)
24-Pin Flatpack (derate 9.50mW/°C above +70°C) ...762mW
Storage Temperature Range .........................-65°C to +150°C
Lead Temperature (soldering, 10s) .............................+300°C
*Stresses at or greater than those listed under “Absolute
Maximum Ratings” may cause permanent damage to the
device. This is a stress rating only and functional operation
of the device at these or any other conditions above those
indicated in the operation section of this specication is not
implied. Exposure to absolute maximum rating conditions for
extended periods will affect reliability.
ELECTRICAL CHARACTERISTICS (AVDD = DVDD = +3V ±10%, AGND =
DGND = 0, fCLK = 40MHz, IFS = 1mA, 400Ω differential output, CL = 5pF, TA = TMIN
to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
STATIC PERFORMANCE
Resolution
Intergral Nonlinearity
Differential Nonlinearity
Zero-Scale Error
Full-Scale Error
DYNAMIC PERFORMANCE
Output Settling Time
Glitch Impulse
Spurious-Free Dynamic Range
to Nyquist
CONDITION
Guaranteed monotonic
To ±0.5LSB error band
fOUT = 550kHz
fCLK = 40MHz TA = +25°C
fOUT = 2.2MHz
SYM
N
INL
DNL
SFDR
MIN
10
-2
-1
-2
-40
57
TYP
±0.5
±0.5
±15
25
10
72
70
MAX
+2
1
+2
+40
UNITS
Bits
LSB
LSB
LSB
LSB
ns
pVs
dBc
Total Harmonic Distortion to
Nyquist
fOUT = 550kHz
fCLK = 40MHz TA = +25°C
fOUT = 2.2MHz
THD
-70
dB
-68 -63
Signal-to-Noise Ratio to
Nyquist
Clock and Data Feedthrough
Output Noise
ANALOG OUTPUT
Full-Scale Output Voltage
Voltage Compliance of Output
Output Leakage Current
Full-Scale Output Current
DAC External Output Resistor
Load
AS5181
Rev. 0.4 01/10
fOUT = 550kHz
fCLK = 40MHz TA = +25°C
fOUT = 2.2MHz
All 0s to all 1s
SNR
DACEN = 0
VFS
IFS
RL
2
61
56 59
dB
50 nVs
10 pA/Hz
400 mV
-0.3 0.8 V
-1 1 μA
0.5 1 1.5 mA
400 Ω
(continued)
Micross Components reserves the right to change products or specications without notice.



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DAC
AS5181
ELECTRICAL CHARACTERISTICS (AVDD = DVDD = +3V ±10%, AGND =
DGND = 0, fCLK = 40MHz, IFS = 1mA, 400Ω differential output, CL = 5pF, TA = TMIN
to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (continued)
PARAMETER
REFERENCE
CONDITION
SYM MIN TYP MAX UNITS
Output Voltage Range
VREF
1.12
1.2
1.28
V
Output Voltage Temperature Drift
TCVREF 50 ppm/°C
Reference Output Drive Capability
Reference Supply Rejection
IREFOUT
10
0.5
μA
mV/V
Current Gain (IFS/IREF)
POWER REQUIREMENTS
8 mA/mA
Analog Power-Supply Voltage
AVDD
2.7
3.3 V
Analog Supply Current
PD = 0, DACEN = 1, digital inputs at 0 or DVDD
IAVDD
1.7 4.0 mA
Digital Power-Supply Voltage
DVDD
2.7
3.3 V
Digital Supply Current
PD = 0, DACEN = 1, digital inputs at 0 or DVDD
IDVDD
4.2 5.0 mA
Standby Current
PD = 0, DACEN = 1, digital inputs at 0 or DVDD ISTANDBY
1 1.5 mA
Shutdown Current
PD = 1, DACEN = X, digital inputs at 0 or DVDD
(X = don't care)
ISHDN
0.5 1 μA
LOGIC INPUTS AND OUTPUTS
Digital Input Voltage High
VIH 2
V
Digital Input Voltage Low
VIL 0.8 V
Digital Input Current
VIN = 0 or DVDD
IIN
±1 μA
Digital Input Capacitance
TIMING CHARACTERISTICS
CIN 10
pF
DAC DATA to CLK Rise Setup Time
tDS 10
ns
DAC CLK Rise to DATA Hold Time
CS\ Fall to CLK Rise Time
CS\ Fall to CLK Fall Time
tDH 0
5
5
ns
ns
ns
DACEN Rise Time to VOUT
0.5 μs
PD Fall Time to VOUT
50 μs
Clock Period
tCLK 25
ns
Clock High Time
tCH 10
ns
Clock Low Time
tCL 10
ns
AS5181
Rev. 0.4 01/10
Micross Components reserves the right to change products or specications without notice.
3



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DAC
AS5181
TYPICAL OPERATING CHARACTERISTICS (AV = DV = +3V,
DD DD
AGND = DGND = 0, IFS = 1mA, 400Ω differential output, CL = 5pF, TA
= +25°C, unless otherwise noted.)
AS5181
Rev. 0.4 01/10
Micross Components reserves the right to change products or specications without notice.
4



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