Instruction Manual

MAX5230/MAX5231
3V/5V, 12-Bit, Serial Voltage-Output Dual DACs
with Internal Reference
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ELECTRICAL CHARACTERISTICS—MAX5231 (continued)
(V
DD
= +4.5V to +5.5V, OS_ = AGND = DGND = 0, R
L
= 5kΩ, C
L
= 100pF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values
are at T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Voltage-Output Settling Time
To ±0.5LSB, V
STEP
= ±4V
(V
DD
- 0.25V) ≥ V
OUT
≥ 0.25V
10 µs
Output-Voltage Swing (Note 5) 0 to V
DD
V
OS_ Input Resistance R
OS
83 121 kΩ
Time Required for Output to Settle After
Turning on V
DD
(Note 6)
95 400 µs
Time Required for Output to Settle After
Exiting Full Power-Down (Note 6)
95 400 µs
Time Required for Output to Settle After
Exiting DAC Power-Down (Note 6)
12 160 µs
Digital Feedthrough
CS = V
DD
, f
SCLK
= 100kHz,
V
SCLK
= 5V
P-P
5 nV-s
Major-Carry Glitch Energy 90 nV-s
POWER SUPPLIES
Power-Supply Voltage V
DD
4.5 5.5 V
Power-Supply Current (Note 7) I
DD
470 525 µA
Full power-down mode 1.4 5
One DAC shutdown mode 350 390
Power-Supply Current in Power-Down
and Shutdown Modes (Note 7)
Both DACs shutdown mode 235 260
µA
ELECTRICAL CHARACTERISTICS—MAX5230
(V
DD
= +2.7V to +3.6V, OS_ = AGND = DGND = 0, R
L
= 5kΩ, C
L
= 100pF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values
are at T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Resolution N 12 Bits
MAX5230A ±0.5
Integral Nonlinearity (Note 1) INL
MAX5230B ±1
LSB
Differential Nonlinearity DNL ±1 LSB
Offset Error (Note 2) V
OS
±3mV
Offset-Temperature Coefficient (Note 3) TCV
OS
8 µV/°C
Full-Scale Voltage V
FS
Code = FFF hex, T
A
= +25°C 2.0350 2.0475 2.0600 V
MAX5230A 3 10
Full-Scale Temperature Coefficient
(Note 3)
TCV
FS
MAX5230B (Note 6) 10 30
ppm/°C
Power-Supply Rejection PSR 2.7V ≤ V
DD
≤ 3.6V 40 280 µV
DC Crosstalk (Note 4) 100 µV
REFERENCE
Output Voltage V
REF
1.234 V
MAX5230A 3
Output-Voltage Temperature
Coefficient (Note 3)
TCV
REF
MAX5230B 10
ppm/°C