参数资料
型号: DAC8248FSZ-REEL
厂商: Analog Devices Inc
文件页数: 9/16页
文件大小: 0K
描述: IC DAC 12BIT DUAL W/BUFF 24SOIC
产品培训模块: Data Converter Fundamentals
DAC Architectures
标准包装: 1,000
设置时间: 1µs
位数: 12
数据接口: 并联
转换器数目: 2
电压电源: 单电源
功率耗散(最大): 50µW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-SOIC(0.295",7.50mm 宽)
供应商设备封装: 24-SOIC W
包装: 带卷 (TR)
输出数目和类型: 2 电流,单极;2 电流,双极
采样率(每秒): 1M
DAC8248
Parameter
Symbol
Conditions
Min
Typ
Max
Units
STATIC ACCURACY
Resolution
N
12
Bits
Relative Accuracy
INL
DAC8248A/E/G
±1/2
LSB
DAC8248F/H
±1
LSB
Differential Nonlinearity
DNL
All Grades are Guaranteed Monotonic
±1
LSB
Full-Scale Gain Error
1
GFSE
DAC8248A/E
±1
LSB
DAC8248G
±2
LSB
DAC8248F/H
±4
LSB
Gain Temperature Coefficient
(
Gain/Temperature)
TCGFS
(Notes 2, 3)
±2
±5
ppm/
°C
All Digital Inputs = 0s
Output Leakage Current
ILKG
TA = +25
°C
±5
±10
IOUT A (Pin 2), IOUT B (Pin 24)
TA = Full Temperature Range
±50
nA
Input Resistance (VREF A, REF B)RREF
(Note 4)
8
11
15
k
Input Resistance Match
R
REF
RREF
±0.2
±1%
DIGITAL INPUTS
Digital Input High
VINH
VDD = +5 V
2.4
V
VDD = +15 V
13.5
V
Digital Input Low
VINL
VDD = +5 V
0.8
V
VDD = +15 V
1.5
V
Input Current (VIN = 0 V
TA = +25
°C
±0.001 ±1
A
or VDD and VINL or VINH)IIN
TA = Full Temperature Range
±10
A
Input Capacitance
CIN
DB0–DB11
10
pF
(Note 2)
WR
, LDAC, DAC A/DAC B,
LSB
/MSB, RESET
15
pF
POWER SUPPLY
Supply Current
IDD
Digital Inputs = VINL or VINH
2mA
Digital Inputs = 0 V or VDD
10
100
A
DC Power Supply Rejection Ratio
PSRR
V
DD = ± 5%
(
Gain/V
DD)
0.002
%/%
AC PERFORMANCE CHARACTERISTICS2
Propagation Delay
5, 6
tPD
TA = +25
°C
350
ns
Output Current Setting Time
6, 7
tS
TA = +25
°C1
s
Output Capacitance
CO
Digital Inputs = All 0s
COUT A, COUT B
90
pF
Digital Inputs = All 1s
COUT A, COUT B
120
pF
AC Feedthrough at
FTA
VREF A to IOUT A; VREF A = 20 V p-p
IOUT A or IOUT B
f = 100 kHz; TA = +25
°C
–70
dB
FTB
VREF B to IOUT B; VREF B = 20 V p-p
f = 100 kHz; TA = +25
°C
–70
dB
REV. B
–2–
DAC8248–SPECIFICATIONS
ELECTRICAL CHARACTERlSTICS (@ VDD = +5 V or +15 V; VREFA = VREFB = +10 V; VOUTA = VOUTB = 0 V; AGND = DGND = 0 V;
TA = Full Temp Range specified in Absolute Maximum Ratings; unless otherwise noted. Specifications apply for DAC A and DAC B.)
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