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DAC8532IDGK 데이터시트 PDF




Burr-Brown Corporation에서 제조한 전자 부품 DAC8532IDGK은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

PDF 형식의 DAC8532IDGK 자료 제공

부품번호 DAC8532IDGK 기능
기능 Dual Channel/ Low Power/ 16-Bit/ Serial Input DIGITAL-TO-ANALOG CONVERTER
제조업체 Burr-Brown Corporation
로고 Burr-Brown Corporation 로고


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DAC8532IDGK 데이터시트, 핀배열, 회로
DAC8532
SBAS246A – DECEMBER 2001 – MAY 2003
Dual Channel, Low Power, 16-Bit, Serial Input
DIGITAL-TO-ANALOG CONVERTER
FEATURES
q microPOWER OPERATION: 500µA at 5V
q POWER-ON RESET TO ZERO-SCALE
q POWER SUPPLY: +2.7V to +5.5V
q 16-BIT MONOTONIC OVER TEMPERATURE
q SETTLING TIME: 10µs to ±0.003% FSR
q ULTRA-LOW AC CROSSTALK: –100dB typ
q LOW-POWER SERIAL INTERFACE WITH
SCHMITT-TRIGGERED INPUTS
q ON-CHIP OUTPUT BUFFER AMPLIFIER WITH
RAIL-TO-RAIL OPERATION
q DOUBLE BUFFERED INPUT ARCHITECTURE
q SIMULTANEOUS OR SEQUENTIAL OUTPUT
UPDATE AND POWERDOWN
q TINY MSOP-8 PACKAGE
APPLICATIONS
q PORTABLE INSTRUMENTATION
q CLOSED-LOOP SERVO-CONTROL
q PROCESS CONTROL
q DATA ACQUISITION SYSTEMS
q PROGRAMMABLE ATTENUATION
q PC PERIPHERALS
VDD
DESCRIPTION
The DAC8532 is a dual channel, 16-bit Digital-to-Analog
Converter (DAC) offering low power operation and a flexible
serial host interface. Each on-chip precision output amplifier
allows rail-to-rail output swing to be achieved over the supply
range of 2.7V to 5.5V. The device supports a standard 3-wire
serial interface capable of operating with input data clock
frequencies up to 30MHz for VDD = 5V.
The DAC8532 requires an external reference voltage to set
the output range of each DAC channel. Also incorporated
into the device is a power-on reset circuit which ensures that
the DAC outputs power up at zero-scale and remain there
until a valid write takes place. The DAC8532 provides a
flexible power-down feature, accessed over the serial inter-
face, that reduces the current consumption of the device to
200nA at 5V.
The low-power consumption of this device in normal opera-
tion makes it ideally suited to portable battery-operated
equipment and other low-power applications. The power
consumption is 2.5mW at 5V, reducing to 1µW in power-
down mode.
The DAC8532 is available in a MSOP-8 package with a
specified operating temperature range of –40°C to +105°C.
VREF
Data
Buffer A
DAC
Register A
DAC A
VOUTA
SYNC
SCLK
DIN
Data
Buffer B
DAC
Register B
DAC B
16
24-Bit
Serial-to-
Channel
Load
Parallel
Select
Control
Shift 8
Register
Control Logic
2
GND
Power-Down
Control Logic
Resistor
Network
VOUTB
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.
www.ti.com
Copyright © 2001-2003, Texas Instruments Incorporated




DAC8532IDGK pdf, 반도체, 판매, 대치품
TIMING CHARACTERISTICS(1, 2)
VDD = +2.7V to +5.5V; all specifications 40°C to +105°C unless otherwise noted.
DAC8532
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 24th 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
t9 24th SCLK Falling Edge to
SYNC Falling Edge
VDD = 2.7V to 5.5V
100
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
1
t8
t4
DB23
t6
t5
t3
t1
t2
24
t7
DB0
t9
DB23
4 DAC8532
www.ti.com
SBAS246A

4페이지










DAC8532IDGK 전자부품, 판매, 대치품
TYPICAL CHARACTERISTICS (Cont.)
At TA = +25°C, unless otherwise noted.
SOURCE CURRENT CAPABILITY
5
4.95
4.9
4.85
4.8
0
VREF = VDD 10mV
DAC Loaded with FFFFH
VDD = 5V
12
3
ISOURCE (mA)
4
5
SOURCE CURRENT CAPABILITY
2.7
2.65
2.6
2.55
2.5
0
VREF = VDD 10mV
DAC Loaded with FFFFH
VDD = 2.7V
12
3
ISOURCE (mA)
4
5
SUPPLY CURRENT vs DIGITAL INPUT CODE
700
VDD = VREF = 5V
600
500
400
VDD = VREF = 2.7V
300
200
100
0
0000H 2000H 4000H 6000H 8000H A000H C000H E000H FFFFH
Digital Input Code
SUPPLY CURRENT vs TEMPERATURE
700
VDD = VREF = 5V
600
500
400
VDD = VREF = 2.7V
300
200
100 Reference Current Included,
CH A and CH B Active, No Load
0
40 10 20 50
Temperature (°C)
80
105
SUPPLY CURRENT vs SUPPLY VOLTAGE
800
VREF = VDD, Both DACs Active,
750 Reference Current Included, No Load
700
650
600
550
500
450
400
2.7 3.05 3.4 3.75 4.1 4.45 4.8 5.15 5.5
VDD (V)
POWER-DOWN CURRENT vs SUPPLY VOLTAGE
50
Reference Current Excluded
45
40
35 TA = +105°C
30
TA = 40°C
25
20
15 TA = +25°C
10
5
0
2.7
3.4 4.1
VDD (V)
4.8
5.5
DAC8532
SBAS246A
www.ti.com
7

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관련 데이터시트

부품번호상세설명 및 기능제조사
DAC8532IDGK

Dual Channel/ Low Power/ 16-Bit/ Serial Input DIGITAL-TO-ANALOG CONVERTER

Burr-Brown Corporation
Burr-Brown Corporation
DAC8532IDGKR

Dual Channel/ Low Power/ 16-Bit/ Serial Input DIGITAL-TO-ANALOG CONVERTER

Burr-Brown Corporation
Burr-Brown Corporation

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