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DAC7528UB 数据表(PDF) 2 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation.
部件名 DAC7528UB
功能描述  CMOS Dual 8-Bit Buffered Multiplying DIGITAL-TO-ANALOG CONVERTER
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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)

DAC7528UB 数据表(HTML) 2 Page - Burr-Brown (TI)

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®
DAC7528
2
SPECIFICATIONS
ELECTRICAL
At VDD = +5V; VREFA, B = + 10V; IOUT = GND = 0V: T = Full Temperature Range specification under Absolute Maximum Ratings unless otherwise noted.
DAC7528P, U
DAC7528PB, UB
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
DC ACCURACY (1)
Resolution
N
8
8
Bits
Relative Accuracy
INL
±1
±1/2
LSB
Differential Nonlinearity
DNL
Guaranteed Monolithic Over Temp
±1
±1/2
LSB
FS Gain Error (2)
TA = +25°C
±2
±1
LSB
TA = TMIN to TMAX
±4
±2
LSB
Gain Tempco (2)(3)
±2
±35
ppm/
°C
Supply Rejection
PSR
∆V
DD = ±5%, TA = +25°C
0.001
0.01
%FSR/%
TA = TMIN to TMAX
0.001
0.01
%FSR/%
Output Leakage Current (OUTA)
DACA = 0016, TA = +25°C
±50
nA
TA = TMIN to TMAX
±200
nA
Output Leakage Current (OUTB)
DACB = 0016, TA = +25°C
±50
nA
TA = TMIN to TMAX
±200
nA
REFERENCE INPUT
Input Resistance
(VREFA, VREFB)
8
10
15
k
Input Resistance Match
(VREFA, VREFB)
±1–
%
DYNAMIC PERFORMANCE (4)
Output Current Settling Time to 1/2 LSB
Enable Pins Low TA = +25°C
180
ns
Load = 100
Ω/13pF, T
A = TMIN to TMAX
200
ns
Digital-to-Analog Propagation Delay
Enable Pins Low TA= +25°C80
ns
to 90% of Output
Load = 100
Ω/13pF, T
A =
TMIN to TMAX
100
ns
Digital-to-Analog Impulse
125
nVs
AC Feedthrough
VREFA = 20Vpp Sinewave, TA = +25°C
–70
dB
(VREFA to OUTA)
100kHz,VREFB = 0V, TA = TMIN to TMAX
–65
dB
AC Feedthrough
VREFA = 20Vpp Sinewave, TA = +25°C
–70
dB
(VREFB to OUTB)
100kHz, VREFB = 0V, TA = TMIN to TMAX
–65
dB
Channel-to-Channel Isolation
VREFA = 20Vpp Sinewave, 100kHz,
–90
dB
(VREFA to OUTB)
VREFB = 0V, Both DACs = FF16
Channel-to-Channel Isolation
VREFB = 20Vpp Sinewave 100kHz,
–90
dB
(VREFB to OUTA)
VREFA = 0V, Both DACs = FF16
Digital Crosstalk
Measured With Code Transition 0016 to FF16
30
nVs
Harmonic Distortion
THD
VIN = 6Vrms at 1kHz
–85
dB
ANALOG OUTPUTS (4)
OUTA capacitance
COUTA
DAC = 0016
50
pF
DAC = FF16
120
pF
OUTB capacitance
COUTB
DAC = 0016
50
pF
DAC = FF16
120
pF
DIGITAL INPUTS
Input High Voltage
VIH
2.4
V
Input Low Voltage
VIL
0.8
V
Input Current
IIN
TA = +25°C
±1–
µA
TA = TMIN to TMAX
±10
µA
Input Capacitance (4)
CIN
All Digital Inputs
10
pF
POWER REQUIREMENTS
Supply Current
IDD
Digital Inputs = VIH or VIL, TA = +25°C1
mA
TA = TMIN to TMAX
1–
mA
Digital Inputs = 0V or VDD, TA = +25°C
100
µA
TA = TMIN to TMAX
500
µA
SWITCHING CHARACTERISTICS (100% tested) See Timing Diagram
Chip Select To Write Setup Time
tCS
TA = +25°C
200
ns
TA = TMIN to TMAX
230
ns
Chip Select To Write Hold Time
tCH
TA = +25°C20
ns
TA = TMIN to TMAX
30
ns
DAC Select To Write Setup Time
tAS
TA = +25°C
200
ns
TA = TMIN to TMAX
230
ns
DAC Select To Write Hold Time
tAH
TA = +25°C20
ns
TA = TMIN to TMAX
30
ns
Write Pulse Width
tWR
TA = +25°C
180
ns
TA = TMIN to TMAX
200
ns
Data Setup Time
tDS
TA = +25°C
110
ns
TA = TMIN to TMAX
130
ns
Data Hold Time
tDH
TA = +25°C0
ns
NOTES: (1) Specifications apply to both DACs. (2) Gain error is measured using internal feedback resistor. Full Scale Range (FSR) = VREF. (3) Guaranteed, but
not tested. (4) These characteristics are for design guidance only and are not subject to test.


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