MAX1258 Maxim Integrated Products, MAX1258 Datasheet - Page 6

• 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
6
Output-Voltage High
Tri-State Leakage Current
Tri-State Output Capacitance
DIGITAL OUTPUT (EOC) (Note 14)
Output-Voltage Low
Output-Voltage High
Tri-State Leakage Current
Tri-State Output Capacitance
DIGITAL OUTPUTS (GPIO_) (Note 14)
GPIOB_, GPIOC_ Output-
Voltage Low
GPIOB_, GPIOC_ Output-
Voltage High
GPIOA_ Output-Voltage Low
GPIOA_ Output-Voltage High
Tri-State Leakage Current
Tri-State Output Capacitance
POWER REQUIREMENTS (Note 15)
Digital Positive-Supply Voltage
Digital Positive-Supply Current
Analog Positive-Supply Voltage
Analog Positive-Supply Current
REF1 Positive-Supply Rejection
DAC Positive-Supply Rejection
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
DV
PSRD
C
C
C
AV
PSRR
DI
A
V
V
V
OUT
OUT
OUT
OH
OH
IDD
OL
DD
DD
DD
I
I
I
I
I
I
I
I
Idle, all blocks shut down
Only ADC on, external reference
MAX1221/MAX1223/MAX1257
MAX1220/MAX1222/MAX1258
Idle, all blocks shut down
Only ADC on,
external reference
All DACs on, no load, internal reference
AV
MAX1257)
AV
MAX1258)
Output
code =
FFFhex M AX 1220/M AX 1222/M AX 1258
SOURCE
SINK
SOURCE
SINK
SINK
SOURCE
SINK
SOURCE
DD
DD
A
= 2mA
= 2mA
= 4mA
= 15mA
= 2.7V (MAX1221/MAX1223/
= 4.75V (MAX1220/MAX1222/
= +25°C. Outputs are unloaded, unless otherwise noted.)
MAX1221/MAX1223/MAX1257
AV
AV
= 2mA
= 2mA
= 2mA
= 15mA
D D
DD
CONDITIONS
= 4.75V to 5.25V
= 2.7V to 3.6V
f
f
SAMPLE
SAMPLE
REF
= 300ksps
= 100ksps
= 4.096V (MAX1220/MAX1222/MAX1258), f
REF
DD
= 2.5V (MAX1221/MAX1223/MAX1257), AV
= DV
DV
DV
DV
DV
2.70
4.75
MIN
DD
0.5
0.5
0.5
0.8
2.7
DD
DD
DD
DD
= 3V (MAX1221/MAX1223/MAX1257),
-
-
-
-
TYP
±0.1
±0.1
-77
-80
0.2
0.2
2.8
2.6
1.5
15
15
15
1
AV
MAX
±0.5
±0.5
5.25
±10
±10
±10
0.4
0.4
0.8
0.8
3.6
4.2
4
2
4
DD
SCLK
= 4.8MHz
UNITS
mA
mA
mV
dB
µA
pF
µA
pF
µA
pF
µA
µA
V
V
V
V
V
V
V
V
V
DD
=