MAX1258 Maxim Integrated Products, MAX1258 Datasheet - Page 4

• Manufacturer Part Number: MAX1258
• Description: Multichannel ADCs/DACs
• Manufacturer: Maxim Integrated Products

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12-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
ELECTRICAL CHARACTERISTICS (continued)
(AV
DV
(50% duty cycle), T
AV
4
REF1 Input Current (Note 9)
REF2 Input Current
DC ACCURACY (Note 10)
Resolution
Integral Nonlinearity
Differential Nonlinearity
Offset Error
Offset-Error Drift
Gain Error
Gain Temperature Coefficient
DAC OUTPUT
Output-Voltage Range
DC Output Impedance
Capacitive Load
Resistive Load to AGND
DD
DD
DD
_______________________________________________________________________________________
= DV
= 4.75V to 5.25V (MAX1220/MAX1222/MAX1258), external reference V
= DV
PARAMETER
DD
DD
= 5V (MAX1220/MAX1222/MAX1258), T
= 2.7V to 3.6V (MAX1221/MAX1223/MAX1257), external reference V
A
= -40°C to +85°C, unless otherwise noted. Typical values are at AV
SYMBOL
I
I
DNL
V
REF1
REF2
INL
GE
R
OS
L
Guaranteed monotonic
(Note 8)
V
(MAX1221/MAX1223/MAX1257),
f
V
(MAX1220/MAX1222/MAX1258),
f
Acquisition between conversions
V
(MAX1221/MAX1223/MAX1257),
f
V
(MAX1220/MAX1222/MAX1258),
f
Acquisition between conversions
(Note 8)
No load
10kΩ load to either rail
(Note 11)
AV
(MAX1221/MAX1223/MAX1257),
gain error < 1%
AV
(MAX1220/MAX1222/MAX1258),
gain error < 2%
SAMPLE
SAMPLE
SAMPLE
SAMPLE
REF
REF
REF
REF
DD
DD
A
= 2.5V
= 4.096V
= 2.5V
= 4.096V
= 2.7V, V
= 4.75V, V
= +25°C. Outputs are unloaded, unless otherwise noted.)
= 300ksps
= 300ksps
= 300ksps
= 300ksps
CONDITIONS
REF
REF
DAC
= 2.5V
= 4.096V
REF
= 4.096V (MAX1220/MAX1222/MAX1258), f
REF
DD
= 2.5V (MAX1221/MAX1223/MAX1257), AV
= DV
2000
0.02
MIN
500
DD
0.1
12
= 3V (MAX1221/MAX1223/MAX1257),
±0.01
±0.01
TYP
±0.5
±10
0.5
±3
±5
±8
25
40
25
40
AV
AV
MAX
±1.0
0.02
±10
±10
0.1
±1
±1
±4
80
80
80
80
DD
DD
1
SCLK
-
-
= 4.8MHz
ppm of
ppm of
UNITS
FS/°C
FS/°C
LSB
LSB
LSB
Bits
mV
µA
µA
nF
Ω
Ω
V
DD
=