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DAC250Y Fiches technique(PDF) 3 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation.
No de pièce DAC250Y
Description  Dual, 12-Bit, 125MSPS DIGITAL-TO-ANALOG CONVERTER
Download  17 Pages
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Fabricant  BURR-BROWN [Burr-Brown (TI)]
Site Internet  http://www.burr-brown.com
Logo BURR-BROWN - Burr-Brown (TI)

DAC250Y Fiches technique(HTML) 3 Page - Burr-Brown (TI)

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DAC2902
3
SBAS167A
ELECTRICAL CHARACTERISTICS (Cont.)
TMIN to TMAX, +VA = +5V, +VD = +3.3V, differential transformer coupled output, 50ý doubly terminated, unless otherwise noted. Independant Gain Mode.
DYNAMIC PERFORMANCE (Cont.)
Signal-to-Noise Ratio (SNR)
0dBFS Output
68
dBc
fOUT = 5.02MHz, fCLOCK = 50MHz
Signal-to-Noise and Distortion (SINAD)
0dBFS Output
67
dBc
fOUT = 5.02MHz, fCLOCK = 50MHz
Channel Isolation
fOUT = 1MHz, fCLOCK = 52MSPS
85
dBc
fOUT = 20MHz, fCLOCK = 125MSPS
77
dBc
Output Settling Time(2)
to 0.1%
30
ns
Output Rise Time(2)
10% to 90%
2
ns
Output Fall Time(2)
10% to 90%
2
ns
Glitch Impulse
2
pV-s
DC ACCURACY
Full-Scale Output Range(3)(FSR)
All Bits HIGH, IOUT
220
mA
Output Compliance Range
–1.0
+1.25
V
Gain Error—Full-Scale
With Internal Reference
–5
±1
+5
%FSR
Gain Error
With External Reference
–2.5
±1
+2.5
%FSR
Gain Matching
With Internal Reference
–2.0
0.5
+2.0
%FSR
Gain Drift
With Internal Reference
±50
ppmFSR/°C
Offset Error
With Internal Reference
–0.02
+0.02
%FSR
Offset Drift
With Internal Reference
±0.2
ppmFSR/°C
Power-Supply Rejection, +VA
+5V, ±10%
–0.2
+0.2
%FSR/V
Power-Supply Rejection, +VD
+3.3V, ±10%
–0.025
+0.025
%FSR/V
Output Noise
IOUT = 20mA, RLOAD = 50Ω
50
pA/
Hz
IOUT = 2mA
30
pA/šHz
Output Resistance
200
k
Output Capacitance
IOUT, IOUT to Ground
6
pF
REFERENCE/CONTROL AMP
Reference Voltage
+1.18
+1.25
+1.31
V
Reference Voltage Drift
±50
ppmFSR/°C
Reference Output Current
100
nA
Reference Multiplying Bandwidth
0.3
MHz
Input Compliance Range
+0.5
+1.25
V
DIGITAL INPUTS
Logic Coding
Straight Binary
Logic High Voltage, VIH
+VD = +5V
3.5
5
V
Logic Low Voltage, VIL
+VD = +5V
0
1.2
V
Logic High Voltage, VIH
+VD = 3.3V
2
3
V
Logic Low Voltage, VIL
+VD = 3.3V
0
0.8
V
Logic High Current, IIH(4)
+VD = 3.3V
±10
µA
Logic Low Current
+VD = 3.3V
±10
µA
Input Capacitance
5pF
POWER SUPPLY
Supply Voltages
+VA
+3.0
+5
+5.5
V
+VD
+3.0
+3.3
+5.5
V
Supply Current
IVA(5)
VA = +5V, lOUT = 20mA
59
64
mA
IVA(5)
Power-Down Mode
1.7
3
mA
IVD(5)
4.2
7
mA
IVD(6)
15.5
18
mA
Power Dissipation(5)
VA = +5V, VD = 3.3V, lOUT = 20mA
310
345
mW
Power Dissipation(6)
VA = +5V, VD = 3.3V, lOUT = 20mA
345
380
mW
Power Dissipation(5)
VA = +5V, VD = 3.3V, lOUT = 2mA
130
mW
Power Dissipation
Power-Down Mode
23
38
mW
Thermal Resistance, TQFP-48
θ
JA
60
°C/W
θ
JC
13
°C/W
TEMPERATURE RANGE
Specified
Ambient
–40
+85
°C
Operating
Ambient
–40
+85
°C
NOTES: (1) At output lOUT, while driving a virtual ground. (2) Measured single-ended into 50ý load. (3) Nominal full-scale output current is 32 • IREF; see Application
section for details. (4) Typically 45µA for the PD pin, which has an internal pull-down resistor. (5) Measured at fCLOCK = 25MSPS and fOUT = 1MHz. (6) Measured
at fCLOCK = 100MSPS and fOUT = 40MHz.
DAC2902Y
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS


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