Rainbow Electronics MAX5735 User Manual
Page 3
MAX5732–MAX5735
32-Channel, 16-Bit, Voltage-Output
DACs with Serial Interface
_______________________________________________________________________________________
3
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
k
Ω
REFERENCE INPUT (REF)
Input Resistance
1
M
Ω
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
0
V
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