MAX5123(1999) Просмотр технического описания (PDF) - Maxim Integrated
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MAX5123
(Rev.:1999)
(Rev.:1999)
Maxim Integrated
MAX5123 Datasheet PDF : 20 Pages
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+5V/+3V, 12-Bit, Serial, Force/Sense DACs
with 10ppm/°C Internal Reference
ELECTRICAL CHARACTERISTICS—MAX5122 (+5V) (continued)
(VDD = +5V ±10%, AGND = DGND, 33nF capacitor at REFADJ, internal reference, RL = 5kΩ, CL = 100pF, output amplifier configured
in unity-gain, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
DYNAMIC PERFORMANCE
Voltage Output Slew Rate
SR
0.6
V/µs
Output Settling Time
To ±0.5LSB, VSTEP = 2.5V
20
µs
Output Voltage Swing (Note 4)
0 to VDD
V
Current into FB
-0.1
0
0.1
µA
Time Required to Exit Shutdown
2
ms
Digital Feedthrough
CS = VDD, fSCLK = 100kHz,
VSCLK = 5Vp-p
5
nV-sec
POWER REQUIREMENTS
Power-Supply Voltage (Note 5)
VDD
4.5
5.5
V
Power-Supply Current (Note 5)
IDD
500
600
µA
Power-Supply Current in Shutdown
ISHDN
3
20
µA
ELECTRICAL CHARACTERISTICS—MAX5123 (+3V)
(VDD = +3V ±10%, AGND = DGND, 33nF capacitor at REFADJ, internal reference, RL = 5kΩ, CL = 100pF, output amplifier connected
in unity-gain, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
STATIC PERFORMANCE
Resolution
N
12
Bits
Integral Nonlinearity (Note 1)
MAX5123A
INL
MAX5123B
-1
1
LSB
-2
2
Differential Nonlinearity
DNL
-1
1
LSB
Offset Error (Note 2)
VOS
-10
10
mV
Gain Error
GE
-5
-0.2
5
mV
Full-Scale Temperature
Coefficient (Note 3)
TCVFS
MAX5123A
MAX5123B
3
10
ppm/°C
10
30
Power-Supply Rejection Ratio
REFERENCE
PSRR 2.7V ≤ VDD ≤ 3.3V
20
250 µV/V
Output Voltage
VREF
TA = +25°C
1.237 1.25 1.263
V
Output Voltage Temperature
Coefficient
TCVREF
MAX5123A
MAX5123B
3
ppm/°C
10
Reference External Load Regulation VOUT/IOUT 0 ≤ IOUT ≤ 100µA (sourcing)
0.1
1
µV/µA
Reference Short-Circuit Current
4
mA
REFADJ Current
REFADJ = VDD
3.3
7
µA
DIGITAL INPUT
Input High Voltage
Input Low Voltage
Input Hysteresis
VIH
VIL
VHYS
2.2
V
0.8
V
200
mV
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