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參數(shù)資料
| 型號(hào)： | DAC8248GPZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 9/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 12BIT DUAL W/BUFF 24DIP |
| 產(chǎn)品培訓(xùn)模塊： | Data Converter Fundamentals DAC Architectures |
| 標(biāo)準(zhǔn)包裝： | 15 |
| 設(shè)置時(shí)間： | 1µs |
| 位數(shù)： | 12 |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 50µW |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 24-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 24-PDIP |
| 包裝： | 管件 |
| 輸出數(shù)目和類型： | 2 電流，單極；2 電流，雙極 |
| 采樣率（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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