Rainbow Electronics MAX5121 User Manual
Page 3
MAX5120/MAX5121
+3V/+5V, 12-Bit, Serial Voltage-Output DACs
with Internal Reference
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3
ELECTRICAL CHARACTERISTICS—MAX5120 (+5V) (continued)
(V
DD
= +5V ±10%, OS = AGND = DGND = 0V, 33nF capacitor at REFADJ, internal reference, R
L
= 5k
Ω
, C
L
= 100pF, T
A
= T
MIN
to
T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
To ±0.5LSB, V
STEP
= 4V
CS = V
DD
, f
SCLK
= 100kHz,
V
SCLK
= 5Vp-p
CONDITIONS
µA
3
20
I
SHDN
Power-Supply Current in Shutdown
µA
500
600
I
DD
Power-Supply Current (Note 5)
V
4.5
5.5
V
DD
Power-Supply Voltage (Note 5)
nV-s
5
Digital Feedthrough
ms
2
Time Required to Exit Shutdown
k
Ω
83
121
R
OS
OS Input Resistance
µs
20
Output Settling Time
V
0 to V
DD
Output Voltage Swing (Note 4)
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
ELECTRICAL CHARACTERISTICS—MAX5121 (+3V)
(V
DD
= +3V ±10%, OS = AGND = DGND = 0V, 33nF capacitor at REFADJ, internal reference, R
L
= 5k
Ω
, C
L
= 100pF, T
A
= T
MIN
to
T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
MAX5121A
REFADJ = V
DD
2.7V
≤
V
DD
≤
3.3V
MAX5121B
MAX5121B
MAX5121A
MAX5121A
Data = FFF hex, T
A
= +25°C
T
A
= +25°C
CONDITIONS
mV
200
V
HYS
Input Hysteresis
V
0.8
V
IL
Input Low Voltage
V
2.2
V
IH
Input High Voltage
µA
3.3
7
REFADJ Current
mA
4
Reference Short-Circuit Current
ppm/°C
10
TCV
REF
MAX5121B
3
0
≤
I
OUT
≤
100µA (sourcing)
Output Voltage Temperature
Coefficient
V
1.25
V
REF
Output Voltage
-1
1
µV/µA
0.1
1
Bits
12
N
Resolution
µV/V
20
250
PSRR
Power-Supply Rejection Ratio
ppm/°C
10
30
TCV
FS
LSB
3
10
V
OUT
/I
OUT
Full-Scale Temperature
Coefficient (Note 3)
V
2.0229
2.0475
2.0721
V
FS
Full-Scale Voltage
LSB
-1
1
DNL
Differential Nonlinearity
mV
-10
10
V
OS
Offset Error (Note 2)
-5
-0.2
5
Reference External Load Regulation
mV
GE
Gain Error
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
-2
2
INL
Integral Nonlinearity (Note 1)
V/µs
0.6
SR
Voltage Output Slew Rate
DYNAMIC PERFORMANCE
POWER REQUIREMENTS
STATIC PERFORMANCE
REFERENCE
DIGITAL INPUT