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DAC8501E250 데이터시트 PDF




Burr-Brown Corporation에서 제조한 전자 부품 DAC8501E250은 전자 산업 및 응용 분야에서
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부품번호 DAC8501E250 기능
기능 Low-Power/ Rail-to-Rail Output/ 16-Bit Serial Input DIGITAL-TO-ANALOG CONVERTER
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DAC8501E250 데이터시트, 핀배열, 회로
DAC8501
SBAS212A – APRIL 2001 – REVISED FEBRUARY 2003
Low-Power, Rail-to-Rail Output, 16-Bit Serial Input
DIGITAL-TO-ANALOG CONVERTER
FEATURES
q microPOWER OPERATION: 250µA at 5V
q MULTIPLYING-MODE BANDWIDTH: 350kHz
q POWER-ON RESET TO ZERO
q POWER SUPPLY: +2.7V to +5.5V
q ENSURED MONOTONIC BY DESIGN
q SETTLING TIME: 10µs to ±0.003% FSR
q LOW-POWER SERIAL INTERFACE WITH
SCHMITT-TRIGGERED INPUTS
q ON-CHIP OUTPUT BUFFER AMPLIFIER,
RAIL-TO-RAIL OPERATION
q SYNC INTERRUPT FACILITY
q MSOP-8 PACKAGE
APPLICATIONS
q PROCESS CONTROL
q DATA ACQUISITION SYSTEMS
q CLOSED-LOOP SERVO-CONTROL
q PC PERIPHERALS
q PORTABLE INSTRUMENTATION
q PROGRAMMABLE ATTENUATION
VDD
VREF
Ref (+)
16-Bit DAC
DESCRIPTION
The DAC8501 is a low-power, single, 16-bit buffered voltage
output Digital-to-Analog Converter (DAC) optimized for multi-
plying operation. Its on-chip precision output amplifier allows
rail-to-rail output swing to be achieved. The DAC8501 uses a
versatile 3-wire serial interface that operates at clock rates up
to 30MHz and is compatible with standard SPI, QSPI,
Microwire, and Digital Signal Processor (DSP) interfaces.
The DAC8501 requires an external reference voltage to set
the output range of the DAC. The DAC8501 incorporates a
power-on reset circuit that ensures that the DAC output
powers up at 0V and remains there until a valid write takes
place to the device. The DAC8501 contains a power-down
feature, accessed over the serial interface, that reduces the
current consumption of the device to 200nA at 5V.
The low-power consumption of this part in normal operation
makes it ideally suited to portable battery-operated equip-
ment. The power consumption is 1.2mW at 5V reducing to
1µW in power-down mode.
The DAC8501 is available in an MSOP-8 package.
SPI and QSPI are registered trademarks of Motorola.
Microwire is a registered trademark of National Semiconductor.
VFB
VOUT
16
DAC Register
SYNC
SCLK
DIN
16
Shift Register
Power-Down
Control Logic
Resistor
Network
GND
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright © 2001-2003, Texas Instruments Incorporated




DAC8501E250 pdf, 반도체, 판매, 대치품
TIMING CHARACTERISTICS(1, 2)
VDD = +2.7V to +5.5V; all specifications 40°C to +105°C, unless otherwise noted.
DAC8501E
PARAMETER
DESCRIPTION
CONDITIONS
MIN
TYP
MAX
UNITS
t1(3) SCLK Cycle Time
t2 SCLK HIGH Time
t3 SCLK LOW Time
t4 SYNC to SCLK Rising
Edge Setup Time
t5 Data Setup Time
t6 Data Hold Time
t7 SCLK Falling Edge to
SYNC Rising Edge
t8 Minimum SYNC HIGH Time
VDD = 2.7V to 3.6V
VDD = 3.6V to 5.5V
VDD = 2.7V to 3.6V
VDD = 3.6V to 5.5V
VDD = 2.7V to 3.6V
VDD = 3.6V to 5.5V
VDD = 2.7V to 3.6V
VDD = 3.6V to 5.5V
VDD = 2.7V to 3.6V
VDD = 3.6V to 5.5V
VDD = 2.7V to 3.6V
VDD = 3.6V to 5.5V
VDD = 2.7V to 3.6V
VDD = 3.6V to 5.5V
VDD = 2.7V to 3.6V
VDD = 3.6V to 5.5V
50
33
13
13
22.5
13
0
0
5
5
4.5
4.5
0
0
50
33
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES: (1) All input signals are specified with tR = tF = 5ns (10% to 90% of VDD) and timed from a voltage level of (VIL + VIH)/2. (2) See Serial Write Operation timing
diagram, below. (3) Maximum SCLK frequency is 30MHz at VDD = +3.6V to +5.5V and 20MHz at VDD = +2.7V to +3.6V.
SERIAL WRITE OPERATION
SCLK
SYNC
DIN
t8
t4
t3
DB23
t6
t5
t1
t2
t7
DB0
4 DAC8501
www.ti.com
SBAS212A

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DAC8501E250 전자부품, 판매, 대치품
TYPICAL CHARACTERISTICS: VDD = +5V (Cont.)
At TA = +25°C, and +VDD = +5V, unless otherwise noted.
FULL-SCALE SETTLING TIME
Scope Trigger (5.0V/div)
Large-Signal Output (1.0V/div)
Small-Signal Error (1mV/div)
Full-Scale Code Change
0000H to FFFFH
Output Loaded with
2kand 200pF to GND
Time (2µs/div)
FULL-SCALE SETTLING TIME
Scope Trigger (5.0V/div)
Small-Signal Error (1mV/div)
Full-Scale Code Change
FFFFH to 0000H
Output Loaded with
2kand 200pF to GND
Large-Signal Output (1.0V/div)
Time (2µs/div)
HALF-SCALE SETTLING TIME
Scope Trigger (5.0V/div)
Large-Signal Output (1.0V/div)
Small-Signal Error (1mV/div)
Half-Scale Code Change
4000H to C000H
Output Loaded with
2kand 200pF to GND
Time (2µs/div)
POWER-ON RESET TO 0V
Loaded with 2kto VDD.
VDD (2V/div)
VOUT (1V/div)
HALF-SCALE SETTLING TIME
Scope Trigger (5.0V/div)
Small-Signal Error (1mV/div)
Large-Signal Output (1V/div)
Half-Scale Code Change
C000H to 4000H
Output Loaded with
2kand 200pF to GND
Time (2µs/div)
EXITING POWER-DOWN
(8000H Loaded)
Scope Trigger (5.0V/div)
Output (1.0V/div)
Time (50µs/div)
Time (2µs/div)
DAC8501
SBAS212A
www.ti.com
7

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관련 데이터시트

부품번호상세설명 및 기능제조사
DAC8501E250

Low-Power/ Rail-to-Rail Output/ 16-Bit Serial Input DIGITAL-TO-ANALOG CONVERTER

Burr-Brown Corporation
Burr-Brown Corporation

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