Datasheet

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PARAMETER MEASUREMENT INFORMATION
SDI
CLK
CS
LDAC
t
CSS
t
ds
t
dh
t
ch
t
cl
t
csh
Input REG. LD
t
lds
t
LDAC
t
LDH
A1 A0
D13 D12 D11 D10
D1
D0
DAC8802
SBAS351B – AUGUST 2005 – REVISED FEBRUARY 2007
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 = 10 V, T
A
= full operating temperature range, unless
otherwise noted.
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT
SUPPLY CHARACTERISTICS
Power supply range V
DD RANGE
2.7 5.5 V
Logic inputs = 0 V, V
DD
= 4.5 V to 5.5 V 2 5 µ A
Positive supply current I
DD
Logic inputs = 0 V, V
DD
= 2.7 V to 3.6 V 1 2.5 µ A
Power dissipation P
DISS
Logic inputs = 0 V 0.0275 mW
Power supply sensitivity P
SS
∆ V
DD
= ± 5% 0.006 %
AC CHARACTERISTICS
(5) (6)
To ± 0.1% of full-scale, µs
0.3
Data = 0000h to 3FFFh to 0000h
Output voltage settling time t
s
To ± 0.006% of full-scale, µs
0.5
Data = 0000h to 3FFFh to 0000h
Reference multiplying BW BW –3 dB V
REF
X = 100 mV
RMS
, Data = 3FFFh, C
FB
= 3 pF 10 MHz
DAC glitch impulse Q V
REF
X = 10 V, Data = 1FFFh to 2000h to 1FFFh 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
, dB
Crosstalk error V
OUT
A/V
REF
B –100
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 = 3FFFh, f = 1 kHz –105 dB
Output spot noise voltage e
n
f = 1 kHz, BW = 1 Hz 12 nV/ √ Hz
(5) These parameters are specified by design and not subject to production testing.
(6) All ac characteristic tests are performed in a closed-loop system using an THS4011 I-to-V converter amplifier.
Figure 1. DAC8802 Timing Diagram
4
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