MAX5130 Maxim Integrated Products, MAX5130 Datasheet - Page 8

• Manufacturer Part Number: MAX5130
• Description: (MAX5130 / MAX5131) Voltage-output DACs
• Manufacturer: Maxim Integrated Products

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+3V/+5V, 13-Bit, Serial Voltage-Output DACs
with Internal Reference
(V
8
DD
PIN
10
11
12
13
14
15
16
_______________________________________________________________________________________
1
2
3
4
5
6
7
8
9
DYNAMIC RESPONSE FALL TIME
= +5V (MAX5130), V
RSTVAL
REFADJ
NAME
DGND
AGND
DOUT
SCLK
OUT
UPO
PDL
CLR
V
DIN
REF
OS
CS
PD
MAX5131
DD
2 s/div
Offset Adjust (Analog Input)
Analog Output Voltage. High impedance if part is in shutdown.
Reset Value Input (Digital Input)
1: Tie to V
0: Tie to DGND to select 0V as the output reset value.
Power-Down Lockout (Digital Input)
1: Normal operation.
0: Disallows shutdown (device cannot be powered down).
Reset DAC Input (Digital Input). Clears the DAC to its predetermined (RSTVAL) output state. Clearing the
DAC will cause it to exit a software shutdown state.
Active-Low Chip-Select Input (Digital Input)
Serial Data Input. Data is clocked in on the rising edge of SCLK.
Serial Clock Input
Digital Ground
Serial Data Output
User-Programmable Output (Digital Output)
Power-Down Input (Digital Input). Pulling PD high when PDL = V
maximum shutdown current of 20µA.
Analog Ground
Buffered Reference Output/Input. In internal reference mode, the reference buffer provides a +2.5V
(MAX5130) or +1.25V (MAX5131) nominal output, externally adjustable at REFADJ. In external reference
mode, disable the internal reference by pulling REFADJ to V
Analog Reference Adjust Input. Bypass with a 33nF capacitor to AGND. Connect to V
external reference.
Positive Power Supply. Bypass with a 0.1µF capacitor in parallel with a 4.7µF capacitor to AGND.
DD
MAX5130/31-22
= +3V (MAX5131), R
DD
CS
2V/div
OUT
500mV/div
to select midscale as the output reset value.
DIGITAL FEEDTHROUGH (SCLK, OUT)
Typical Operating Characteristics (continued)
L
= 5kΩ, C
MAX5131
2 s/div
L
= 100pF, OS = AGND, T
FUNCTION
MAX5130/31-23
SCLK
2V/div
OUT
500 V/div
AC COUPLED
DD
and applying the external reference to REF.
A
DD
= +25°C, unless otherwise noted.)
places the IC into shutdown with a
MAJOR CARRY TRANSITION
MAX5131
Pin Description
5 s/div
DD
when using an
MAX5130/31-24
CS
2V/div
OUT
100mV/div
AC COUPLED