Electrical characteristics—max5159 (continued) – Rainbow Electronics MAX5159 User Manual
Page 5
MAX5158/MAX5159
Low-Power, Dual, 10-Bit, Voltage-Output DACs
with Serial Interface
_______________________________________________________________________________________
5
Note 5:
Accuracy is specified from code 3 to code 1023.
Note 6:
Accuracy is better than 1LSB for V
OUT
greater than 6mV and less than V
DD
- 80mV. Guaranteed by PSRR test at the end
points.
Note 7:
Digital inputs are set to either V
DD
or DGND, code = 0000 hex, R
L
=
∞
.
ELECTRICAL CHARACTERISTICS—MAX5159 (continued)
(V
DD
= +2.7V to +3.6V, V
REFA
= V
REFB
= 1.25V, R
L
= 10k
Ω
, C
L
= 100pF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values
are at T
A
= +25°C (OS_ pins tied to AGND for a gain of +2V/V).)
(Note 4)
(Note 7)
(Note 7)
ns
40
t
CL
SCLK Pulse Width Low
CONDITIONS
ns
40
t
CH
SCLK Pulse Width High
ns
100
t
CP
SCLK Clock Period
µA
±1
Reference Current in
Shutdown
µA
1
8
I
DD(SHDN)
Power-Supply Current
in Shutdown
mA
0.5
0.6
I
DD
Power-Supply Current
V
2.7
3.6
V
DD
Positive Supply Voltage
ns
50
t
DS
SDI Setup Time
ns
0
t
CSH
SCLK Rise to CS Rise
Hold Time
ns
40
t
CSS
CS Fall to SCLK Rise
Setup Time
C
LOAD
= 200pF
C
LOAD
= 200pF
ns
120
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
t
DO2
SCLK Fall to DOUT Valid
Propagation Delay
ns
120
t
DO1
SCLK Rise to DOUT Valid
Propagation Delay
ns
0
t
DH
SDI Hold Time
ns
100
t
CSW
CS Pulse Width High
ns
40
t
CS1
CS Rise to SCLK Rise Hold
ns
10
t
CS0
SCLK Rise to CS Fall Delay
POWER SUPPLIES
TIMING CHARACTERISTICS