MAX5302CUA+ Fast Delivery |IC PHOENIX CO.,LIMITED

MAX5302CUA+ ,Low-Power, 12-Bit Voltage-Output DAC with Serial InterfaceApplicationsMAX5302CUA 0°C to +70°C 8 µMAXIndustrial Process ControlMAX5302EUA -40°C to +85°C 8 µMA ..
MAX5302EUA ,Low-Power, 12-Bit Voltage-Output DAC with Serial InterfaceApplicationsMAX5302CUA 0°C to +70°C 8 µMAXIndustrial Process ControlMAX5302EUA -40°C to +85°C 8 µMA ..
MAX5304CUA ,10-Bit Voltage-Output DAC in 8-Pin レMAXApplications_________________Ordering InformationDigital Offset and Gain AdjustmentPART TEMP. RANGE ..
MAX5304CUA+T ,10-Bit Voltage-Output DAC in 8-Pin µMAXApplications_________________Ordering InformationDigital Offset and Gain AdjustmentPART TEMP. RANGE ..
MAX5306EUE ,Low-Power, Low-Glitch, Octal 12-Bit Voltage-Output DACs with Serial InterfaceApplicationsPin ConfigurationGain and Offset AdjustmentPower Amplifier ControlTOP VIEWProcess Contr ..
MAX5306EUE+ ,Low-Power, Low-Glitch, Octal 12-Bit Voltage-Output DACs with Serial InterfaceFeaturesThe MAX5306/MAX5307 are 12-bit, eight channel, low- Eight Highly Integrated 12-Bit DACs in ..
MAX9750CETI+ ,2.6W Stereo Audio Power Amplifiers and DirectDrive® Headphone AmplifiersApplications♦ ±8kV ESD-Protected Headphone Driver OutputsNotebook PCs Flat-Panel TVs♦ Available in ..
MAX9750CETI+C2U ,2.6W Stereo Audio Power Amplifiers and DirectDrive® Headphone AmplifiersBlock Diagrams continued at end of data sheet.____ Maxim Integrated Products 1For pricing, delivery ..
MAX9750CETI+T ,2.6W Stereo Audio Power Amplifiers and DirectDrive® Headphone AmplifiersFeaturesThe MAX9750/MAX9751/MAX9755 combine a stereo,♦ No DC-Blocking Capacitors Required—Provides® ..
MAX9752BETI+T ,2.2W, Low-EMI, Stereo, Class D Power Amplifiers with DirectDrive Headphone AmplifiersBlock DiagramsMAX9752 MAX9753 MAX9754SCLASS CLASS CLASSD D DSAMP AMP AMPVOLINPUT HPS HPS HPSMUX SEL ..
MAX9755ETI ,2.6W Stereo Audio Power Amplifiers and DirectDrive Headphone AmplifiersBlock DiagramsPIN- M A XIMU M PART TEMP RANGEPACKAGE G A I N ( d B ) †MAX9750AETI* -40°C to +85°C ..
MAX9755ETI+ ,2.6W Stereo Audio Power Amplifiers and DirectDrive® Headphone AmplifiersELECTRICAL CHARACTERISTICS(V = PV = CPV = HPV = 5V, V = V = V = 0V, SHDN = V , C = 1µF, C1 = C2 = 1 ..

MAX5302CUA+
Low-Power, 12-Bit Voltage-Output DAC with Serial Interface
__________________General Description
The MAX5302 combines a low-power, voltage-output,
12-bit digital-to-analog converter (DAC) and a precision
output amplifier in an 8-pin µMAX package. It operates
from a single +5V supply, drawing less than 280µA of
supply current.
The output amplifier’s inverting input is available to the
user, allowing specific gain configurations, remote sens-
ing, and high output current capability. This makes the
MAX5302 ideal for a wide range of applications, includ-
ing industrial process control. Other features include a
software shutdown and power-on reset.
The serial interface is SPI™/QSPI™/MICROWIRE™ com-
patible. The DAC has a double-buffered input, organized
as an input register followed by a DAC register. A 16-bit
serial word loads data into the input register. The DAC
register can be updated independently or simultaneously
with the input register. All logic inputs are TTL/CMOS-
logic compatible and buffered with Schmitt triggers to
allow direct interfacing to optocouplers.
Applications
Industrial Process Control
Automatic Test Equipment
Digital Offset and Gain Adjustment
Motion Control
Remote Industrial Control
Microprocessor-Controlled Systems
Features12-Bit DAC with Configurable Output Amplifier+5V Single-Supply Operation Low Supply Current: 0.28mA Normal Operation
2µA Shutdown ModeAvailable in 8-Pin µMAXPower-On Reset Clears DAC Output to ZeroSPI/QSPI/MICROWIRE CompatibleSchmitt-Trigger Digital Inputs for Direct
Optocoupler Interface
MAX5302
Low-Power, 12-Bit Voltage-Output DAC
with Serial Interface
MAX5302
OUT
DIN
SCLK
DAC
REF
DAC
REGISTER
INPUT
REGISTER
CONTROL
VDDGND
16-BIT
SHIFT
REGISTER
Functional DiagramPin Configuration
19-1559; Rev 0; 10/99
Ordering Information
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIREis a trademark of National Semiconductor Corp.
8 µMAX
8 µMAX
PIN-PACKAGETEMP. RANGE
0°C to +70°C
-40°C to +85°CMAX5302EUA
MAX5302CUA
PART
REFDINSCLK
VDD
GNDCS
OUT
MAX5302
μMAX
TOP VIEW
MAX5302
Low-Power, 12-Bit Voltage-Output DAC
with Serial Interface
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 8, VDD= +5V ±10%, VREF= +2.5V, RL= 5kΩ, CL= 100pF, TA= TMIN to TMAX, unless otherwise noted. Typical val-
ues are at TA= +25°C. Output buffer connected in unity-gain configuration.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
VDDto GND..............................................................-0.3V to +6V
REF, OUT, FB to GND................................-0.3V to (VDD+ 0.3V)
Digital Inputs to GND...............................................-0.3V to +6V
Continuous Current into Any Pin.......................................±20mA
Continuous Power Dissipation (TA= +70°C)
8-Pin µMAX (derate 4.10mW/°C above +70°C).........330mW
Operating Temperature Ranges
MAX5302CUA...................................................0°C to +70°C
MAX5302EUA................................................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10sec).............................+300°C
Code dependent, minimum at code 1554 hex
4.5V ≤VDD≤5.5V
CONDITIONS1420RREFReference Input Resistance0VDD - 1.4VREFReference Input Range
µV/VPSRRPower-Supply Rejection Ratio800
Bits12NResolution
ppm/°C1Gain-Error Tempco
LSBGEGain Error (Note 1)-0.3±3
ppm/°C6TCVOSOffset-Error Tempco
LSBINLIntegral Nonlinearity (Note 1)
±0.3±8mVVOSOffset Error
UNITSMINTYPMAXSYMBOLPARAMETER
VREF= 0.67Vp-pkHz650Reference -3dB Bandwidth
Input code = all 0s, VREF= 3.6Vp-p at 1kHz
VREF= 1Vp-p at 25kHz, code = full scaledB77SINADSignal-to-Noise Plus
Distortion Ratio-84Reference Feedthrough2.4VIHInput Voltage High
VIN= 0 or VDD8CINInput Capacitance0.001±0.5IINInput Leakage Current0.8VILInput Voltage Low
STATIC PERFORMANCE—ANALOG SECTION
DIGITAL INPUTS
REFERENCE INPUT
MULTIPLYING-MODE PERFORMANCE
Guaranteed monotonicLSB±1.0DNLDifferential Nonlinearity
MAX5302
Low-Power, 12-Bit Voltage-Output DAC
with Serial Interface
(Note 3)= VDD, DIN = 100kHz
Rail-to-rail (Note 2)
To ±1/2LSB, VSTEP= 2.5V
CONDITIONS0.280.4IDDSupply Current4.55.5VDDSupply Voltage
nVs5Digital Feedthrough20Start-Up Time0.001±0.1Current into FB0 to VDDOutput Voltage Swing14Output Settling Time
V/µs0.6SRVoltage Output Slew Rate
UNITSMINTYPMAXSYMBOLPARAMETER
(Note 3)µA420Supply Current in Shutdown0.001±0.5Reference Current in Shutdown40tCHSCLK Pulse Width High100tCPSCLK Clock Period40tCSSCSFall to SCLK Rise Setup Time40tDSDIN Setup Time0tCSHSCLK Rise to CSRise Hold Time40tCLSCLK Pulse Width Low40tCS1CSRise to SCLK Rise Hold Time100tCSWCSPulse Width High40tCS0SCLK Rise to CSFall Delay0tDHDIN Hold Time
Note 1:Guaranteed from code 11 to code 4095 in unity-gain configuration.
Note 2:Accuracy is better than 1LSB for VOUT= 8mV to (VDD - 100mV), guaranteed by a power-supply rejection test at the end
points.
Note 3:RL= ∞, digital inputs at GND or VDD.
DIGITAL INPUTSDYNAMIC PERFORMANCE
POWER SUPPLIES
TIMING CHARACTERISTICS (Figure 6)
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 8, VDD= +5V ±10%, VREF= +2.5V, RL= 5kΩ, CL= 100pF, TA= TMIN to TMAX, unless otherwise noted. Typical val-
ues are at TA= +25°C. Output buffer connected in unity-gain configuration.)
MAX5302
Low-Power, 12-Bit Voltage-Output DAC
with Serial Interface
MAX5302 toc04
POWER-DOWN SUPPLY CURRENT (
POWER-DOWN SUPPLY CURRENT
vs. TEMPERATURE
TEMPERATURE (°C)
OUTPUT FFT PLOT
MAX5302 toc07
VREF = 3.6Vp-p
CODE = FULL SCALE
fIN = 1kHz
SIGNAL AMPLITUDE (dB)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX5302 toc05
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
MAX5302 toc06
FREQUENCY (kHz)
THD + NOISE (dB)
VREF = 2.5VDC + 1Vp-p SINE
CODE = FULL SCALE
0.1k1k10k1M100k
FULL-SCALE OUTPUT vs. LOAD
MAX5302 toc08
FULL-SCALE OUTPUT (V)
REFERENCE FEEDTHROUGH
AT 1kHz
MAX5302-09a/09b
OUTPUT FEEDTHROUGH
REFERENCE INPUT SIGNAL
SIGNAL AMPLITUDE (dB)
__________________________________________Typical Operating Characteristics
(VDD= +5V, RL= 5kΩ, CL= 100pF, TA = +25°C, unless otherwise noted.)
INL (LSB)
REFERENCE VOLTAGE (V)
MAX5302 toc01
INTEGRAL NONLINEARITY
vs. REFERENCE VOLTAGE
500k01M1.5M2M2.5M3M
MAX5302 toc02
RELATIVE OUTPUT (dB)
REFERENCE VOLTAGE INPUT
FREQUENCY RESPONSE
FREQUENCY (Hz)
MAX5302 toc03
SUPPLY CURRENT (
SUPPLY CURRENT
vs. TEMPERATURE
TEMPERATURE (°C)
RL = ∞
MAX5302
Low-Power, 12-Bit Voltage-Output DAC
with Serial Interface
2μs/div
OUT
AC-COUPLED
10mV/div
CODE = 2048
DIGITAL FEEDTHROUGH (fSCLK = 100kHz)
MAX5302 toc11SCLK
2V/div
CS = 5V
Typical Operating Characteristics (continued)
(VDD= +5V, RL= 5kΩ, CL= 100pF, TA = +25°C, unless otherwise noted.)
10μs/div
MAJOR-CARRY TRANSITION
MAX5302 toc10
OUT
AC-COUPLED
100mV/div
5V/div
10μs/div
DYNAMIC RESPONSE
MAX5302 toc12OUT
1V/div
GND
GAIN = 2, SWITCHING FROM CODE 0 TO 4020
MAX5302
Low-Power, 12-Bit Voltage-Output DAC
with Serial Interface
Detailed Description
The MAX5302 contains a voltage-output digital-to-analog
converter (DAC) that is easily addressed using a simple
3-wire serial interface. The IC includes a 16-bit shift
register, and has a double-buffered input composed of
an input register and a DAC register (see Functional
Diagram). In addition to the voltage output, the amplifier’s
negative input is available to the user.
The DAC is an inverted R-2R ladder network that converts
a digital input (12 data bits plus 1 sub-bit) into an
equivalent analog output voltage in proportion to the
applied reference voltage. Figure 1 shows a simplified
circuit diagram of the DAC.
Reference Inputs
The reference input accepts positive DC and AC signals.
The voltage at the reference input sets the full-scale out-
putvoltage for the DAC. The reference input voltage
range is 0 to (VDD- 1.4V). The output voltage (VOUT) is
represented by a digitally programmable voltage
source, as expressed in the following equation:
VOUT= (VREF·NB / 4096) Gain
where NB is the numeric value of the DAC’s binary
input code (0 to 4095), VREFis the reference voltage,
and Gain is the externally set voltage gain.
The impedance at the reference input is code dependent,
ranging from a low value of 14kΩwhen the DAC has an
input code of 1554 hex, to a high value exceeding several
gigaohms (leakage currents) with an input code of
0000 hex. Because the input impedance at the reference
pin is code dependent, load regulation of the reference
source is important.
In shutdown mode, the MAX5302’s REF input enters a
high-impedance state with a typical input leakage current
of 0.001µA.
The reference input capacitance is also code dependent
and typically ranges from 15pF (with an input code of
all 0s) to 50pF (at full scale).
The MAX873 +2.5V reference is recommended for the
MAX5302.
Output Amplifier
The MAX5302’s DAC output is internally buffered by a
precision amplifier with a typical slew rate of 0.6V/µs.
Access to the output amplifier’s inverting input provides
the user greater flexibility in output gain setting/signal
conditioning (see the Applications Informationsection).
With a full-scale transition at the MAX5302 output, the
typical settling time to ±1/2LSB is 14µs when loaded
with 5kΩin parallel with 100pF (loads less than 2kΩ
degrade performance).
The amplifier’s output dynamic responses and settling
performances are shown in the Typical Operating Char-
acteristics.
Shutdown Mode
The MAX5302 features a software-programmable shut-
down that reduces supply current to a typical value of
4µA. Writing 111X XXXX XXXX XXXX as the input control
word puts the device in shutdown mode (Table 1).
In shutdown mode, the amplifier’s output and the refer-
ence input enter a high-impedance state. The serial
interface remains active. Data in the input registers is
retained in shutdown, allowing the MAX5302 to recall
the output state prior to entering shutdown. Exit shutdown
mode by either recalling the previous configuration or
OUT
SHOWN FOR ALL 1s ON DAC
MSB2R2R2R2RR
REF
AGND
Figure 1. Simplified DAC Circuit Diagram
_____________________Pin Description
NAMEFUNCTIONOUTDAC Output VoltageCSChip-Select Input. Active low.
PINDINSerial-Data InputSCLKSerial-Clock InputVDDPositive Power SupplyGNDGroundREFReference Voltage InputFBDAC Output Amplifier Feedback

Partno	Mfg	Dc	Qty	Available	Descript
MAX5302CUA+	N/A	N/a	2500	avai	Low-Power, 12-Bit Voltage-Output DAC with Serial Interface