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參數資料
| 型號： | DAC8831IRGYTG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 1 us SETTLING TIME, 16-BIT DAC, PQCC14 |
| 封裝： | GREEN, PLASTIC, QFN-14 |
| 文件頁數： | 23/29頁 |
| 文件大小： | 687K |
| 代理商： | DAC8831IRGYTG4 |
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ELECTRICAL CHARACTERISTICS
SLAS449D – FEBRUARY 2005 – REVISED SEPTEMBER 2007
All specifications at TA = TMIN to TMAX, VDD = +3 V or VDD = +5 V, VREF = +2.5 V unless otherwise noted.
DAC8830, DAC8831
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
STATIC PERFORMANCE
Resolution
16
bits
DAC8830ICD,
DAC8831ICD,
±0.5
±1
DAC8831ICRGY
DAC8830IBD,
Linearity error
DAC8831IBD,
±0.5
±2
LSB
DAC8831IBRGY
DAC8830ID,
DAC8831ID,
±0.5
±4
DAC8831IRGY
Differential linearity error
All grades
±0.5
±1
LSB
TA = +25°C
±1
±5
Gain error
LSB
TA = –40°C to +85°C
±7
Gain drift
±0.1
ppm/
°C
TA = +25°C
±0.25
±1
Zero code error
LSB
TA = –40°C to +85°C
±2
Zero code drift
±0.05
ppm/
°C
OUTPUT CHARACTERISTICS
All devices
Unipolar operation
0
+VREF
V
Voltage output(1)
DAC8831 only
Bipolar operation
–VREF
+VREF
V
Output impedance
6.25
k
Settling time
To 1/2 LSB of FS, CL = 10 pF
1
μs
Slew rate(2)
CL = 10 pF
25
V/
μs
Digital-to-analog glitch
1 LSB change around major carry
35
nV-s
Digital feedthrough(3)
0.2
nV-s
DAC8830
10
Output noise
TA = +25°C
nV/
√Hz
DAC8831
18
Power-supply rejection
VDD varies ±10%
±1
LSB
RFB / RINV
1
/
Bipolar resistor
DAC8831 only
matching
Ratio error
±0.0015
±0.0076
%
TA = +25°C
±0.25
±5
Bipolar zero error
DAC8831 only
LSB
TA = –40°C to +85°C
±7
Bipolar zero drift
DAC8831 only
±0.2
ppm/
°C
(1)
The DAC8830 output is unipolar (0 V to +VREF). The DAC8831 output is bipolar (±VREF) when it connects to an external buffer (see the
Bipolar Output Operation section for details).
(2)
Slew rate is measured from 10% to 90% of transition when the output changes from 0 to full-scale.
(3)
Digital feedthrough is defined as the impulse injected into the analog output from the digital input. It is measured when the DAC output
does not change; CS is held high, while SCLK and DIN signals are toggled.
Copyright 2005–2007, Texas Instruments Incorporated
3
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