Datasheet

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ELECTRICAL CHARACTERISTICS
DAC8801
SLAS403B – NOVEMBER 2004 – REVISED FEBRUARY 2007
V
DD
= 2.7 V to 5.5 V; I
OUT
= Virtual GND, GND = 0 V; V
REF
= 10 V; T
A
= Full Operating Temperature; all specifications -40 ° C
to 85 ° C unless otherwise noted.
DAC8801
PARAMETER CONDITIONS UNITS
MIN TYP MAX
STATIC PERFORMANCE
Resolution 14 Bits
Relative accuracy ± 1 LSB
Differential nonlinearity ± 0.5 LSB
Output leakage current Data = 0000h, T
A
= 25 ° C 10 nA
Output leakage current Data = 0000h, T
A
= T
MAX
10 nA
Full-scale gain error All ones loaded to DAC register ± 1 ± 4 mV
ppm of
Full-scale tempco ± 3
FSR/ ° C
OUTPUT CHARACTERISTICS
(1)
Output current 2 mA
Output capacitance Code dependent 50 pF
REFERENCE INPUT
(1)
V
REF
Range –15 15 V
Input resistance 5 k Ω
Input capacitance 5 pF
LOGIC INPUTS AND OUTPUT
(1)
V
DD
= 2.7V 0.6 V
V
IL
Input low voltage
V
DD
= 5V 0.8 V
V
DD
= 2.7V 2.1 V
V
IH
Input high voltage
V
DD
= 5V 2.4 V
I
IL
Input leakage current 10 µA
C
IL
Input capacitance 10 pF
INTERFACE TIMING
f
CLK
Clock input frequency 50 MHz
t
(CH)
Clock pulse width high 10 ns
t
(CL)
Clock pulse width low 10 ns
t
(CSS)
CS to Clock setup time 0 ns
t
(CSH)
Clock to CS hold time 10 ns
t
(DS)
Data setup time 5 ns
t
(DH)
Data hold time 10 ns
POWER REQUIREMENTS
V
DD
2.7 5.5 V
I
DD
(normal operation) Logic inputs = 0 V 5 µA
V
DD
= 4.5 V to 5.5 V V
IH
= V
DD
and V
IL
= GND 3 5 µA
V
DD
= 2.7 V to 3.6 V V
IH
= V
DD
and V
IL
= GND 1 2.5 µA
AC CHARACTERISTICS
(1) (2)
To ±0.1% of full-scale, Data = 0000h to 3FFFh to 0000h 0.3
t
s
Output voltage settling time µ s
To ±0.006% of full-scale, Data = 0000h to 3FFFh to 0000h 0.5
Reference multiplying BW V
REF
= 5 V
PP
, Data = 3FFFh 10 MHz
DAC glitch impulse V
REF
= 0 V, Data = 3FFFh to 2000h 2 nV/s
Feedthrough error V
REF
= 100 mV
RMS
, 100kHz, Data = 0000h –70 dB
Digital feedthrough CS = 1 and f
CLK
= 1MHz 2 nV/s
(1) Specified by design and characterization, not production tested.
(2) All ac characteristic tests are performed in a closed-loop system using the THS4011 I-to-V converter amplifier.
3
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