MAX1020BETX+ Maxim Integrated Products, MAX1020BETX+ Datasheet - Page 7

• Manufacturer Part Number: MAX1020BETX+
• Description: IC ADC/DAC 10BIT 36-TQFN-EP
• Manufacturer: Maxim Integrated Products
• Type: ADC, DACr

Specifications of MAX1020BETX+

• Resolution (bits): 10 b
• Sampling Rate (per Second): 225k
• Data Interface: MICROWIRE™, QSPI™, Serial, SPI™
• 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: 36-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(AV
(MAX1020/MAX1022/MAX1058), external reference V
T
(MAX1020/MAX1022/MAX1058), T
ADC Positive-Supply Rejection
TIMING CHARACTERISTICS (Figures 6–13)
SCLK Clock Period
SCLK Pulse-Width High
SCLK Pulse-Width Low
GPIO Output Rise/Fall After
CS Rise
GPIO Input Setup Before CS Fall
LDAC Pulse Width
SCLK Fall to DOUT Transition
(Note 16)
SCLK Rise to DOUT Transition
(Notes 16, 17)
CS Fall to SCLK Fall Setup Time
S C LK Fal l to CS Ri se S etup Ti m e
DIN to SCLK Fall Setup Time
DIN to SCLK Fall Hold Time
CS Pulse-Width High
CS Rise to DOUT Disable
CS Fall to DOUT Enable
EOC Fall to CS Fall
CS or CNVST Rise to EOC
Fall—Internally Clocked
Conversion Time
CNVST Pulse Width
A
= -40°C to +85°C, unless otherwise noted. Typical values are at AV
DD
= DV
PARAMETER
DD
10-Bit, Multichannel ADCs/DACs with FIFO,
= 2.7V to 3.6V (MAX1057), external reference V
_______________________________________________________________________________________
Temperature Sensing, and GPIO Ports
A
= +25°C. Outputs are unloaded, unless otherwise noted.)
SYMBOL
t
LDACPWL
t
CSPWH
PSRA
t
t
t
t
t
t
t
t
t
t
t
GOD
DOD
CSW
t
GSU
DOT
DOT
CSH
t
DOE
DOV
t
t
CSS
t
RDS
CH
DH
CP
CL
DS
Full-
scale
input
40/60 duty cycle
60/40 duty cycle
C
C
C
C
C
C
C
CKSEL = 01 (temp sense) or CKSEL =
10 (temp sense), internal reference on
CKSEL = 01 (temp sense) or CKSEL =
10 (temp sense), internal reference
initially off
CKSEL = 01 (voltage conversion)
CKSEL = 10 (voltage conversion),
internal reference on
CKSEL = 10 (voltage conversion),
internal reference initially off
CKSEL = 00, CKSEL = 01 (temp sense)
CKSEL = 01 (voltage conversion)
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
REF
= 20pF
= 20pF, SLOW = 0
= 20pF, SLOW = 1
= 20pF, SLOW = 0
= 20pF, SLOW = 1
= 20pF
= 20pF
MAX1057, AV
M AX 1020/M AX 1022/M AX 1058,
AV
= 4.096V (MAX1020/MAX1022/MAX1058), f
D D
CONDITIONS
= 4.75V to 5.25V
DD
REF
= 2.7V to 3.6V
= 2.5V (MAX1057), AV
DD
= DV
DD
= 3V (MAX1057), AV
MIN
1.8
1.8
1.5
1.4
40
16
16
20
10
10
10
10
50
30
40
0
0
0
CLK
DD
±0.06
±0.06
TYP
= 3.6MHz (50% duty cycle),
= DV
DD
MAX
2000
±0.5
±0.5
12.0
12.0
25.0
100
140
= 4.75V to 5.25V
40
40
25
65
80
DD
9
9
= DV
UNITS
DD
mV
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
ns
µs
= 5V
7