MAX1258BETM+ Maxim Integrated Products, MAX1258BETM+ Datasheet - Page 6

• Manufacturer Part Number: MAX1258BETM+
• Description: IC ADC/DAC 12BIT 48-TQFN
• Manufacturer: Maxim Integrated Products
• Type: ADC, DACr

Specifications of MAX1258BETM+

• Resolution (bits): 12 b
• Sampling Rate (per Second): 225k
• Data Interface: Serial
• Voltage Supply Source: Analog and Digital
• Voltage - Supply: 4.75 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

12-Bit, Multichannel ADCs/DACs with FIFO,
Temperature Sensing, and GPIO Ports
ELECTRICAL CHARACTERISTICS (continued)
(AV
(MAX1220/MAX1258), external reference V
unless otherwise noted. Typical values are at AV
Outputs are unloaded, unless otherwise noted.)
6
DIGITAL OUTPUT (EOC) (Note 14)
Output-Voltage Low
Output-Voltage High
Three-State Leakage Current
Three-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
Three-State Leakage Current
Three-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
ADC Positive-Supply Rejection
DD
_______________________________________________________________________________________
= DV
PARAMETER
DD
= 2.7V to 3.6V (MAX1257), external reference V
SYMBOL
PSRD
C
C
DV
AV
PSRR
PSRA
DI
AI
V
V
OUT
OUT
OH
OL
DD
DD
DD
DD
REF
= 4.096V (MAX1220/MAX1258), f
I
I
I
I
I
I
I
Idle, all blocks shut down
Only ADC on, external reference
MAX1257
MAX1220/MAX1258
Idle, all blocks shut down
Only ADC on,
external reference f
All DACs on, no load, internal reference
MAX1257, AV
MAX1220/MAX1258, AV
Output
code =
FFFhex
Full-
scale
input
DD
SINK
SOURCE
SINK
SINK
SOURCE
SINK
SOURCE
= DV
= 2mA
= 2mA
= 4mA
= 15mA
MAX1257, AV
MAX1220/MAX1258,
AV
MAX1257, AV
MAX1220/MAX1258,
AV
= 2mA
= 2mA
= 15mA
DD
DD
DD
= 3V (MAX1257), AV
CONDITIONS
DD
= 4.75V to 5.25V
= 4.75V to 5.25V
REF
= 2.7V
= 2.5V (MAX1257), AV
f
SAMPLE
SAMPLE
DD
DD
DD
= 2.7V to 3.6V
= 2.7V to 3.6V
= 4.75V
= 225ksps
= 100ksps
CLK
DD
= 3.6MHz (50% duty cycle), T
= DV
DD
DD
DV
DV
DV
4.75
MIN
= 4.75V to 5.25V, DV
= 5V (MAX1220/MAX1258), T
0.5
0.5
0.8
2.7
2.7
DD
DD
DD
-
-
-
±0.06
±0.06
±0.1
±0.1
TYP
0.2
0.2
2.8
2.6
1.5
-77
-80
15
15
1
AV
A
MAX
±0.5
±0.5
±0.5
±0.5
5.25
±10
±10
DD
0.4
0.4
0.8
0.8
3.6
4.2
= -40°C to +85°C,
4
2
4
DD
= 2.7V to AV
A
UNITS
= +25°C.
mA
mA
mV
mV
μA
μA
pF
pF
μA
μA
dB
V
V
V
V
V
V
V
V
DD