Datasheet

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DAC8814
SBAS338D – JANUARY 2005 – REVISED SEPTEMBER 2006
ELECTRICAL CHARACTERISTICS (continued)
V
DD
= 2.7 V to 5.5 V; I
OUT
X = Virtual GND, A
GND
X = 0 V, V
REF
A, B, C, D = 10 V, T
A
= full operating temperature range, unless
otherwise noted.
DAC8814
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT
SUPPLY CHARACTERISTICS
Power supply range V
DD RANGE
2.7 5.5 V
Logic inputs = 0 V,
Positive supply current I
DD
2 5 µ A
V
DD
= +4.5 V to +5.5 V
Logic inputs = 0 V,
I
DD
1 2.5 µ A
V
DD
= +2.7 V to +3.6 V
Power dissipation P
DISS
Logic inputs = 0 V 0.0275 mW
Power supply sensitivity P
SS
∆ V
DD
= ± 5% 0.006 %
AC CHARACTERISTICS
(4)
To ± 0.1% of full-scale,
Output voltage settling time t
s
0.3 µ s
Data = 0000h to FFFFh to 0000h
To ± 0.0015% of full-scale,
t
s
0.5 µ s
Data = 0000h to FFFFh to 0000h
Reference multiplying BW BW –3 dB V
REF
X = 100 mV
RMS
, Data = FFFFh, C
FB
= 3 pF 10 MHz
DAC glitch impulse Q V
REF
X = 10 V, Data = 7FFFh to 8000h to 7FFFh 5 nV-s
Feedthrough error V
OUT
X/V
REF
X Data = 0000h, V
REF
X = 100 mV
RMS
, f = 100 kHz –70 dB
Data = 0000h, V
REF
B = 100 mV
RMS
,
Crosstalk error V
OUT
A/V
REF
B –100 dB
Adjacent channel, f = 100 kHz
Digital feedthrough Q CS = 1 and f
CLK
= 1 MHz 1 nV-s
Total harmonic distortion THD V
REF
= 5 V
PP
, Data = FFFFh, f = 1 kHz –105 dB
Output spot noise voltage e
n
f = 1 kHz, BW = 1 Hz 12 nV/ √ Hz
(4) All ac characteristic tests are performed in a closed-loop system using a THS4011 I-to-V converter amplifier.
4
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