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參數(shù)資料
| 型號： | DAC7821IRGPT |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 12-Bit, Parallel Input, Multiplying Digital-to-Analog Converter |
| 中文描述： | 12位，并行輸入，乘法數(shù)字到模擬轉(zhuǎn)換器 |
| 文件頁數(shù)： | 3/18頁 |
| 文件大小： | 1597K |
| 代理商： | DAC7821IRGPT |
www.ti.com
ELECTRICAL CHARACTERISTICS
V
DD
= +2.5 V to +5.5 V; I
OUT
1 = Virtual GND; I
OUT
2 = 0V; V
REF
= +10 V; T
A
= full operating temperature. All specifications
–40
°
C to +125
°
C, unless otherwise noted.
DAC7821
SBAS365A–OCTOBER 2005–REVISED FEBRUARY 2006
DAC7821
TYP
PARAMETER
CONDITIONS
MIN
MAX
UNITS
STATIC PERFORMANCE
Resolution
Relative accuracy
Differential nonlinearity
Output leakage current
Output leakage current
Full-scale gain error
Full-scale tempco
Output capacitance
REFERENCE INPUT
V
REF
range
Input resistance
R
FB
resistance
LOGIC INPUTS AND OUTPUT
(1)
Input low voltage
12
Bits
LSB
LSB
nA
nA
mV
ppm/
°
C
pF
±
1
±
1
±
10
±
20
±
10
Data = 000h, T
A
= +25
°
C
Data = 000h, T
A
= T
MAX
All ones loaded to DAC register
±
5
±
5
30
Code dependent
–15
8
8
15
12
12
V
k
k
10
10
V
IL
V
DD
= +2.7V
V
IL
V
DD
= +5V
V
IH
V
DD
= +2.7V
V
IH
V
DD
= +5V
I
IL
C
IL
0.6
0.8
V
V
V
V
μA
pF
Input high voltage
2.1
2.4
Input leakage current
Input capacitance
POWER REQUIREMENTS
V
DD
I
DD
(normal operation)
V
DD
= +4.5 V to +5.5 V
V
DD
= +2.5 V to +3.6 V
AC CHARACTERISTICS
Output voltage settling time
Reference multiplying BW
10
10
2.7
5.5
5
5
2.5
V
μA
μA
μA
Logic inputs = 0 V
V
IH
= V
DD
and V
IL
= GND
V
IH
= V
DD
and V
IL
= GND
0.8
0.4
0.2
μs
MHz
V
REF
= 7 V
PP
, Data = FFFh
V
= 0 V to 10 V,
Data = 7FFh to 800h to 7FFh
Data = 000h, V
REF
= 100kHz
10
DAC glitch impulse
5
nV-s
Feedthrough error V
OUT
/V
REF
Digital feedthrough
Total harmonic distortion
Output spot noise voltage
–70
2
–105
18
dB
nV-s
dB
nV/
√
Hz
(1)
Specified by design and characterization; not production tested.
3
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| DAC7822 | 制造商:BB 制造商全稱:BB 功能描述:Dual, 12-Bit, Parallel Input, Multiplying Digital-to-Analog Converter |
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| DAC7822IRTATG4 | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12-bit Dual Channel Par Input Mult RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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