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DAC8248FS 数据表(PDF) 3 Page - Analog Devices

部件名 DAC8248FS
功能描述  Dual 12-Bit (8-Bit Byte) Double-Buffered CMOS D/A Converter
PDF  16 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

DAC8248FS 数据表(HTML) 3 Page - Analog Devices

  DAC8248FS Datasheet HTML 1Page - Analog Devices DAC8248FS Datasheet HTML 2Page - Analog Devices DAC8248FS Datasheet HTML 3Page - Analog Devices DAC8248FS Datasheet HTML 4Page - Analog Devices DAC8248FS Datasheet HTML 5Page - Analog Devices DAC8248FS Datasheet HTML 6Page - Analog Devices DAC8248FS Datasheet HTML 7Page - Analog Devices DAC8248FS Datasheet HTML 8Page - Analog Devices DAC8248FS Datasheet HTML 9Page - Analog Devices Next Button
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Parameter
Symbol
Conditions
DAC8248
Units
VDD = +5 V
VDD = +15 V
Switching Characteristics
+25 C
–40 C to +85 C
–55 C to +125 C
All Temps
(Notes 2, 8)
(Note 9)
(Note 10)
LSB
/MSB Select to
Write Set-Up Time
tCBS
130
170
180
80
ns min
LSB
/MSB Select to
Write Hold Time
tCBH
0
0
0
0
ns min
DAC Select to
Write Set-Up Time
tAS
180
210
220
80
ns min
DAC Select to
Write Hold Time
tAH
0
0
0
0
ns min
LDAC to
Write Set-Up Time
tLS
120
150
160
80
ns min
LDAC to
Write Hold Time
tLH
0
0
0
0
ns min
Data Valid to
Write Set-Up Time
tDS
160
210
220
70
ns min
Data Valid to
Write Hold Time
tDH
0
0
0
10
ns min
Write Pulse Width
tWR
130
150
170
90
ns min
LDAC Pulse Width
tLWD
100
110
130
60
ns min
Reset Pulse Width
tRWD
80
90
90
60
ns min
NOTES
11Measured using internal R
FB A and RFB B. Both DAC digital inputs = 1111 1111 1111.
12Guaranteed and not tested.
13Gain TC is measured from +25
°C to T
MIN or from +25°C to TMAX.
14Absolute Temperature Coefficient is approximately +50 ppm/
°C.
15From 50% of digital input to 90% of final analog output current. V
REF A = VREF B = +10 V; OUT A, OUT B load = 100 Ω, CEXT = 13 pF.
16WR, LDAC = 0 V; DB0–DB7 = 0 V to V
DD or VDD to 0 V.
17Settling time is measured from 50% of the digital input change to where the output settles within 1/2 LSB of full scale.
18See Timing Diagram.
19These limits apply for the commercial and industrial grade products.
10These limits also apply as typical values for V
DD = +12 V with +5 V CMOS logic levels and T A = +25°C.
Specifications subject to change without notice.
Burn-In Circuit
DAC8248
–3–
REV. B



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