Owner's manual

MAX5138/MAX5139
Low-Power, Single, 16-/12-Bit,
Buffered Voltage-Output DACs
_______________________________________________________________________________________ 3
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
DAC OUTPUT VOLTAGE (Note 2)
Output Voltage Range No load 0.02
AVDD
- 0.02
V
DC Output Impedance 0.1 Ω
Series resistance = 0Ω 0.2 nF
Maximum Capacitive Load
(Note 5)
C
L
Series resistance = 500Ω 15 µF
Resistive Load R
L
2kΩ
AVDD = 5.25V ±35
Short-Circuit Current I
SC
AVDD = 2.7V -40 ±20 +40
mA
Power-Up Time From power-down mode 25 µs
DIGITAL INPUTS (SCLK, DIN, CS, LDAC) (Note 6)
Input High Voltage V
IH
0.7 x
DVDD
V
Input Low Voltage V
IL
0.3 x
DVDD
V
Input Leakage Current I
IN
V
IN
= 0 or DVDD -1 ±0.1 +1 µA
Input Capacitance C
IN
10 pF
DIGITAL OUTPUTS (READY)
Output High Voltage V
OH
I
SOURCE
= 3mA
DVDD
- 0.5
V
Output Low Voltage V
OL
I
SINK
= 2mA 0.4 V
DYNAMIC PERFORMANCE
Voltage-Output Slew Rate SR Positive and negative 1.25 V/µs
Voltage-Output Settling Time t
S
1/4 scale to 3/4 scale V
REFI
= AVDD = 5V
settle to ±2 LSB (Note 5)
5µs
Digital Feedthrough Code 0, all digital inputs from 0 to DVDD 0.5 nV•s
Major Code Transition Analog
Glitch Impulse
25 nV•s
Output Noise 10kHz 120 nV/√Hz
Integrated Output Noise 1Hz to 10kHz 18 µV
ELECTRICAL CHARACTERISTICS (continued)
(V
AVDD
= 2.7V to 5.25V, V
DVDD
= 2.7V to 5.25V, V
AVDD
≥ V
DVDD
, V
A
GND
= 0, V
REFI
= V
AVDD
- 0.25V, C
OUT
= 200pF, R
OUT
= 10kΩ,
T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)