MAX5732 データシートの表示（PDF） - Maxim Integrated
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MAX5732 Datasheet PDF : 26 Pages
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32-Channel, 16-Bit, Voltage-Output
DACs with Serial Interface
ELECTRICAL CHARACTERISTICS—MAX5732 (0 to +5V Output Voltage Range) (continued)
(AVCC = +5.25V to +5.5V (Note 1), AVDD = +5V ±5%, DVDD = +2.7V to AVDD, VSS = AGND = DGND = REFGND = GS = 0, VREF =
+3.0V, RL = ∞, CL = 50pF referenced to ground, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
Capacitive Load to Ground
DC Output Impedance
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
50
100
pF
0.1
Ω
Short-Circuit Current
Sourcing, full-scale code, output connected
to AGND
5
mA
Sinking, zero-scale code, output connected
-5
to AVCC
GROUND-SENSE ANALOG INPUT (GS)
Input Voltage Range
GS Gain
Input Resistance
REFERENCE INPUT (REF)
VGS Relative to AGND
AGS
-0.5V ≤ VGS ≤ +0.5V, VSS = -0.5V
-0.5
+0.5
V
0.995 1.000 1.005 V/V
35
kΩ
Input Resistance
1
MΩ
Reference Input Voltage Range
VREF Referred to REFGND
DIGITAL INPUTS (CS, SCLK, DIN, LDAC, CLR, DSP)
2.900 3.000 3.100
V
Input-Voltage High
VIH
DVDD = +2.7V to +3.6V
Input-Voltage Low
DVDD = +4.75V to +5.25V
VIL
Input Capacitance
Input Current
CIN
IIN
Digital inputs = 0 or DVDD
POWER REQUIREMENTS (AVCC, VSS, AGND, AVDD, DVDD, DGND)
Output-Amplifier Positive Supply
Voltage
AVCC
0.7 ×
DVDD
V
2.4
0.8
V
10
pF
±1
µA
4.75
5.50
V
Output-Amplifier Negative Supply
Voltage
VSS
-0.5
0
V
Output-Amplifier Supply Voltage
Difference
AVCC - VSS
5.75
V
Analog Supply Voltage
AVDD
4.75
5.25
V
Digital Supply Voltage
DVDD
2.70
5.25
V
Analog Supply Current
AIDD
VOUT0 through VOUT31 = 0
Software shutdown
10
15
mA
10
µA
Digital Supply Current
DIDD
VIH = DVDD, VIL = 0, fSCLK = 20MHz
VIH = +2.4V, VIL = +0.8V, fSCLK = 20MHz
2.5
3.5
mA
5
6.5
Output-Amplifier Positive Supply
Current
AICC
VOUT0 through VOUT31 = 0
Software shutdown
4
10
mA
20
µA
Output-Amplifier Negative Supply
Current
ISS
VSS = -0.5V
VOUT0 through VOUT31 = 0
Software shutdown
-4
-10
mA
-20
µA
Power-Supply Rejection Ratio
PSRR
-95
dB
_______________________________________________________________________________________ 3
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