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DAC7822 数据表(PDF) 3 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation. Click here to check the latest version.
部件名 DAC7822
功能描述  Dual, 12-Bit, Parallel Input, Multiplying Digital-to-Analog Converter
Download  18 Pages
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制造商  BURR-BROWN [Burr-Brown (TI)]
网页  http://www.burr-brown.com
标志 BURR-BROWN - Burr-Brown (TI)

DAC7822 数据表(HTML) 3 Page - Burr-Brown (TI)

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ELECTRICAL CHARACTERISTICS
DAC7822
SBAS374 – JUNE 2006
V
DD = +2.5V to +5.5V; IOUT1 = Virtual GND; IOUT2 = 0V; VREF = 10V; TA = full operating temperature. All specifications –40°C
to +125
°C, unless otherwise noted.
DAC7822
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
STATIC PERFORMANCE
Resolution
12
Bits
Relative accuracy
±1
LSB
Differential nonlinearity
±1
LSB
Output leakage current
Data = 000h, TA = +25°C
±1
nA
Output leakage current
Data = 000h, TA = TMAX
±15
nA
Full-scale gain error
All ones loaded to DAC register
±10
±25
mV
Full-scale tempco(1)
±5
ppm/
°C
Bipolar zero-code error
Circuit configuration as shown in Figure 41
±25
mV
Output capacitance
DAC latches leaded with all 1s
25
30
pF
REFERENCE INPUT
VREF range
–15
15
V
VREFA, VREFB, Input resistance
8
10
12
k
R1, RFB resistance
17
20
25
k
R2, R3 resistance
17
20
25
k
VREFA to VREFB Input Mismatch
1.6
2.5
%
R2 to R3 Mismatch
0.06
0.18
%
LOGIC INPUTS AND OUTPUT(1)
VDD = +2.5V
0.6
V
Input low voltage
VIL
VDD = +5V
0.8
V
VDD = +2.5V
2.1
V
Input high voltage
VIH
VDD = +5V
2.4
V
Input leakage current
IIL
1
µA
Input capacitance
CIL
10
pF
POWER REQUIREMENTS
VDD
2.5
5.5
V
IDD (normal operation)
Logic inputs = 0V
5
µA
VDD = +4.5V to +5.5V
VIH = VDD and VIL = GND
0.8
5
µA
VDD = +2.5V to +3.6V
VIH = VDD and VIL = GND
0.4
2.5
µA
AC CHARACTERISTICS(1)
Output voltage settling time
0.2
µs
Reference multiplying BW
VREF = 7VPP, Data = FFFh
10
MHz
VREF = 0V to 10V,
DAC glitch impulse
10
nV-s
Data = 7FFh to 800h to 7FFh
Feedthrough error VOUT/VREF
Data = 000h, VREF = 100kHz
–70
dB
Digital feedthrough
2
nV-s
Total harmonic distortion
–105
dB
Output spot noise voltage
25
nV/
√Hz
(1)
Specified by design and characterization; not production tested.
3
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