DAC3174 Datasheet, PDF (9/40 Pages) Texas Instruments – Dual 14-bit 500 MSPS Digital to Analog Converter

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DAC3174
SLAS837A – APRIL 2013 – REVISED MAY 2013
ELECTRICAL CHARACTERISTICS – DC SPECIFICATIONS
Typical values at T_A = 25°C, full temperature range is T_MIN = –40°C to T_MAX = 85°C, DAC sample rate = 500MSPS, 50% clock
duty cycle, VDDA33/IOVDD = 3.3V, VDDA18/CLKVDD18/DIGVDD18 = 1.8V, IOUT_FS = 20mA (unless otherwise noted).
PARAMETER
NOTES
MIN TYP MAX UNITS
Resolution
14
Bits
DC ACCURACY
DNL Differential nonlinearity
INL Integral nonlinearity
1 LSB = IOUT_FS/2¹⁴
±1
LSB
±2
ANALOG OUTPUTS
Coarse gain linearity
±0.4
LSB
Offset error
Mid code offset
0.01
%FSR
Gain error
With external reference
With internal reference
±2
%FSR
±2
Gain mismatch
With internal reference
-2
2 %FSR
Minimum full scale output current
Maximum full scale output current
Nominal full-scale current, IOUT_FS =
16xIBAIS current
2
mA
20
Output compliance range
IOUTFS = 20 mA
-0.5
1
V
Output resistance
300
kΩ
Output capacitance
5
pF
REFERENCE OUTPUT
V_REF
Reference output voltage
Reference output current
1.14 1.2 1.26
V
100
nA
REFERENCE INPUT
VEXTIO Input voltage range
External reference mode
0.1 1.2 1.25
V
Input resistance
1
MΩ
Small signal bandwidth
500
kHz
Input capacitance
100
pF
TEMPERATURE COEFFICIENTS
Offset drift
±1
ppm of
FSR/°C
Gain drift
With external reference
±15
With internal reference
±30
Reference voltage drift
±8
ppm /°C
POWER SUPPLY
DIGVDD18, VFUSE, VDDA18, CLKVDD18
1.71 1.8 1.89
V
VDDA33
3.15 3.3 3.45
V
IOVDD
Sets CMOS IO voltage levels. Nominal
1.8V, 2.5V or 3.3V
1.71
3.45
V
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