Electrical characteristics—max5156 (continued) – Rainbow Electronics MAX5157 User Manual
Page 3
MAX5156/MAX5157
Low-Power, Dual, 12-Bit Voltage-Output DACs
with Configurable Outputs
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS—MAX5156 (continued)
(V
DD
= +5V ±10%, V
REFA
= V
REFB
= 2.5V, 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, output buffer connected in unity-gain configuration (Figure 9).)
Note 1:
Accuracy is specified from code 10 to code 4095.
Note 2:
Accuracy is better than 1LSB for V
OUT
greater than 6mV and less than V
DD
- 50mV. Guaranteed by PSRR test at the end points.
Note 3:
Digital inputs are set to either V
DD
or DGND, code = 0000 hex, R
L
=
∞
.
Note 4:
SCLK minimum clock period includes rise and fall times.
CS = V
DD
, f
DIN
= 100kHz, V
SCLK
= 5Vp-p
I
SOURCE
= 2mA
Rail-to-rail (Note 2)
To 1/2LSB of full-scale, V
STEP
= 2.5V
I
SINK
= 2mA
CONDITIONS
nV-s
5
Digital Crosstalk
nV-s
5
Digital Feedthrough
µs
25
Time Required to Exit Shutdown
µA
0
±0.1
I
FB
Current into FBA or FBB
V
V
DD
- 0.5
V
OH
Output High Voltage
V
0 to V
DD
Output Voltage Swing
µs
15
Output Settling Time
V
0.13
0.40
V
OL
Output Low Voltage
V/µs
0.75
SR
Voltage Output Slew Rate
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
(Note 4)
(Note 3)
(Note 3)
ns
40
t
CL
SCLK Pulse Width Low
ns
40
t
CH
SCLK Pulse Width High
ns
100
t
CP
SCLK Clock Period
µA
0
±1
Reference Current in Shutdown
µA
2
10
I
DD(SHDN)
Power-Supply Current in
Shutdown
mA
0.5
0.65
I
DD
Power-Supply Current
V
4.5
5.5
V
DD
Positive Supply Voltage
ns
40
t
DS
DIN Setup Time
ns
0
t
CHS
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
80
t
DO2
SCLK Fall to DOUT Valid
Propagation Delay
ns
80
t
DO1
SCLK Rise to DOUT Valid
Propagation Delay
ns
0
t
DH
DIN 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
DIGITAL OUTPUTS (DOUT, UPO)
DYNAMIC PERFORMANCE
POWER SUPPLIES
TIMING CHARACTERISTICS