Manual
MAX5732–MAX5735
32-Channel, 16-Bit, Voltage-Output
DACs with Serial Interface
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ELECTRICAL CHARACTERISTICS—MAX5732 (0 to +5V Output Voltage Range) (continued)
(AV
CC
= +5.25V to +5.5V (Note 1), AV
DD
= +5V ±5%, DV
DD
= +2.7V to AV
DD
, V
SS
= AGND = DGND = REFGND = GS = 0, V
REF
=
+3.0V, R
L
= ∞, C
L
= 50pF referenced to ground, 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
Capacitive Load to Ground 50 100 pF
DC Output Impedance 0.1 Ω
Sourcing, full-scale code, output connected
to AGND
5
Short-Circuit Current
Sinking, zero-scale code, output connected
to AV
CC
-5
mA
GROUND-SENSE ANALOG INPUT (GS)
Input Voltage Range V
GS
Relative to AGND
-0.5 +0.5
V
GS Gain A
GS
0.995 1.000 1.005
V/V
Input Resistance -0.5V ≤ V
GS
≤ +0.5V, V
SS
= -0.5V 35 kΩ
REFERENCE INPUT (REF)
Input Resistance 1MΩ
Reference Input Voltage Range
V
REF
Referred to REFGND
2.900 3.000 3.100
V
DIGITAL INPUTS (CS, SCLK, DIN, LDAC, CLR, DSP)
DV
DD
= +2.7V to +3.6V
0.7 ×
DV
DD
Input-Voltage High V
IH
DV
DD
= +4.75V to +5.25V 2.4
V
Input-Voltage Low V
IL
0.8 V
Input Capacitance C
IN
10 pF
Input Current I
IN
Digital inputs = 0 or DV
DD
±1 µA
POWER REQUIREMENTS (AV
CC
, V
SS
, AGND, AV
DD
, DV
DD
, DGND)
Output-Amplifier Positive Supply
Voltage
AV
CC
4.75 5.50
V
Output-Amplifier Negative Supply
Voltage
V
SS
-0.5
0V
Output-Amplifier Supply Voltage
Difference
AV
CC
- V
SS
5.75
V
Analog Supply Voltage AV
DD
4.75 5.25
V
Digital Supply Voltage DV
DD
2.70 5.25
V
V
OUT0
through V
OUT31
= 0 10 15 mA
Analog Supply Current AI
DD
Software shutdown 10 µA
V
IH
= DV
DD
, V
IL
= 0, f
SCLK
= 20MHz 2.5 3.5
Digital Supply Current DI
DD
V
IH
= +2.4V, V
IL
= +0.8V, f
SCLK
= 20MHz 5 6.5
mA
V
OUT0
through V
OUT31
= 0 4 10
Output-Amplifier Positive Supply
Current
AI
CC
Software shutdown 20
mA
V
OUT0
through V
OUT31
= 0
-4 -10 mA
Output-Amplifier Negative Supply
Current
I
SS
V
SS
= -0.5V
Software shutdown -20 µA
Power-Supply Rejection Ratio
PSRR -95 dB