参数资料
型号: DAC8143FP
厂商: Analog Devices Inc
文件页数: 6/12页
文件大小: 0K
描述: IC DAC 12BIT DAISY-CHAIN 16-DIP
产品培训模块: Data Converter Fundamentals
DAC Architectures
产品变化通告: Product Discontinuance 27/Oct/2011
标准包装: 25
设置时间: 380ns
位数: 12
数据接口: 串行
转换器数目: 1
电压电源: 单电源
功率耗散(最大): 500µW
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 16-DIP(0.300",7.62mm)
供应商设备封装: 16-PDIP
包装: 管件
输出数目和类型: 2 电流,单极;2 电流,双极
采样率(每秒): 2.63M
ELECTRICAL CHARACTERISTICS
DAC8143
Parameter
Symbol
Conditions
Min
Typ
Max
Units
STB to SRO Propagation Delay
13
tPD
TA = +25°C
220
ns
TA = Full Temperature Range
300
ns
SRI Data Pulsewidth
tSRI
100
ns
STB1 Pulsewidth (STB1 = 80 ns)
14
tSTB1
80
ns
STB2 Pulsewidth (STB2 = 100 ns)
14
tSTB2
80
ns
STB3 Pulsewidth (STB3 = 80 ns)
14
tSTB3
80
ns
STB4 Pulsewidth (STB4 = 80 ns)
14
tSTB4
80
ns
Load Pulsewidth
tLD1, tLD2
TA = +25°C
140
ns
TA = Full Temperature Range
180
ns
LSB Strobe into Input Register
to Load DAC Register Time
tASB
0ns
CLR Pulsewidth
tCLR
80
ns
POWER SUPPLY
Supply Voltage
VDD
4.75
5
5.25
V
Supply Current
IDD
All Digital Inputs = VIH or VIL
2mA
All Digital Inputs = 0 V or VDD
0.1
mA
Power Dissipation
PD
Digital Inputs = 0 V or VDD
0.5
mW
5 V
× 0.1 mA
Digital Inputs = VIH or VIL
10
mW
5 V
× 2 mA
NOTES
11All grades are monotonic to 12 bits over temperature.
12Using internal feedback resistor.
13Guaranteed by design and not tested.
14Applies to I
OUT1; all digital inputs = VIL, VREF = +10 V; specification also applies for IOUT2 when all digital inputs = VIH.
15V
REF = +10 V, all digital inputs = 0 V.
16Calculated from worst case R
REF: IZSE (in LSBs) = (RREF × ILKG × 4096) /VREF.
17Absolute temperature coefficient is less than +300 ppm/
°C.
18I
OUT, Load = 100 . CEXT = 13 pF, digital input = 0 V to VDD or VDD to 0 V. Extrapolated to 1/2 LSB: tS = propagation delay (tPD) +9 τ, where τ equals measured
time constant of the final RC decay.
19All digital inputs = 0 V.
10V
REF = 0 V, all digital inputs = 0 V to VDD or VDD to 0 V.
11Calculations from en = √4K TRB where:
K = Boltzmann constant, J/KR = resistance
T = resistor temperature, K B = bandwidth, Hz
12Digital inputs are CMOS gates; I
IN typically 1 nA at +25°C.
13Measured from active strobe edge (STB) to new data output at SRO; C
L = 50 pF.
14Minimum low time pulsewidth for STB
1, STB2, and STB4, and minimum high time pulsewidth for STB 3.
Specifications subject to change without notice.
(@ VDD = +5 V; VREF = +10 V; VOUT1 = V0UT2 = VAGND = VDGND = 0 V; TA = Full
Temperature Range specified under Absolute Maximum Ratings, unless otherwise noted.)
DAC8143
–3–
REV. C
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