MAX5525 查看數據表（PDF） - Maxim Integrated
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MAX5525 Datasheet PDF : 23 Pages
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Dual, Ultra-Low-Power,
10-Bit, Voltage-Output DACs
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +1.8V to +5.5V, OUT_ unloaded, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
Power-Supply Rejection Ratio
PSRR
REFERENCE INPUT (MAX5522/MAX5524)
Reference-Input Voltage Range
VREFIN
Reference-Input Impedance
RREFIN
REFERENCE OUTPUT (MAX5523/MAX5525)
Initial Accuracy
VREFOUT
Output-Voltage Temperature
Coefficient
VTEMPCO
CONDITIONS
1.8V ≤ VDD ≤ 5.5V
Normal operation
In shutdown
No external load, VDD = 1.8V
No external load, VDD = 2.5V
No external load, VDD = 3V
No external load, VDD = 5V
TA = -40°C to +85°C (Note 4)
MIN TYP MAX
85
0
VDD
4.1
2.5
1.197
1.913
2.391
3.828
1.214
1.940
2.425
3.885
1.231
1.967
2.459
3.941
12
30
Line Regulation
Load Regulation
Output Noise Voltage
Short-Circuit Current (Note 6)
Capacitive Load Stability Range
Thermal Hysteresis
Reference Power-Up Time
(from Shutdown)
VREFOUT < VDD - 200mV (Note 5)
0 ≤ IREFOUT ≤ 1mA, sourcing, VDD = 1.8V,
VREF = 1.2V
0 ≤ IREFOUT ≤ 8mA, sourcing, VDD = 5V,
VREF = 3.9V
-150µA ≤ IREFOUT ≤ 0, sinking
0.1Hz to 10Hz, VREF = 3.9V
10Hz to 10kHz, VREF = 3.9V
0.1Hz to 10Hz, VREF = 1.2V
10Hz to 10kHz, VREF = 1.2V
VDD = 5V
VDD = 1.8V
(Note 7)
(Note 8)
REFOUT unloaded, VDD = 5V
REFOUT unloaded, VDD = 1.8V
2
200
0.3
2
0.3
2
0.2
150
600
50
450
30
14
0 to 10
200
5.4
4.4
Long-Term Stability
200
DAC OUTPUTS (OUTA, OUTB)
Capacitive Driving Capability
Short-Circuit Current (Note 6)
CL
VDD = 5V, VOUT set to full scale, OUT
shorted to GND, source current
VDD = 5V VOUT set to 0V, OUT shorted to
VDD, sink current
VDD = 1.8V, VOUT set to full scale OUT
shorted to GND, source current
VDD = 1.8V, VOUT set to 0V, OUT shorted to
VDD, sink current
1000
65
65
14
14
UNITS
dB
V
MΩ
GΩ
V
ppm/°C
µV/V
µV/µA
µVP-P
mA
nF
ppm
ms
ppm/
1khrs
pF
mA
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