MAX1261ACEI Maxim Integrated, MAX1261ACEI Datasheet - Page 4

• Manufacturer Part Number: MAX1261ACEI
• Description: Analog to Digital Converters - ADC
• Manufacturer: Maxim Integrated

Specifications of MAX1261ACEI

• Number Of Channels: 8/4
• Architecture: SAR
• Conversion Rate: 250 KSPs
• Resolution: 12 bit
• Input Type: Single-Ended/Pseudo-Differential
• Snr: 70 dB
• Interface Type: Parallel
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 70 C
• Package / Case: QSOP-28
• Maximum Power Dissipation: 667 mW
• Minimum Operating Temperature: 0 C
• Number Of Converters: 1
• Voltage Reference: 2.5 V

ELECTRICAL CHARACTERISTICS (continued)
(V
cycle); T
250ksps, +3V, 8-/4-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
TIMING CHARACTERISTICS
(V
cycle); T
4
POWER REQUIREMENTS
Analog Supply Voltage
Digital Supply Voltage
Positive Supply Current
V
Power-Supply Rejection
CLK Period
CLK Pulse Width High
CLK Pulse Width Low
Data Valid to WR Rise Time
WR Rise to Data Valid Hold Time
WR to CLK Fall Setup Time
CLK Fall to WR Hold Time
CS to CLK or WR
Setup Time
CLK or WR to CS
Hold Time
CS Pulse Width
WR Pulse Width
CS Rise to Output Disable
DD
DD
LOGIC
_______________________________________________________________________________________
= V
= V
A
A
LOGIC
LOGIC
Current
PARAMETER
PARAMETER
= T
= T
MIN
MIN
= +2.7V to +3.6V, COM = GND, REFADJ = V
= +2.7V to +3.6V, COM = GND, REFADJ = V
to T
to T
MAX
MAX
, unless otherwise noted. Typical values are at T
unless otherwise noted. Typical values are at T
SYMBOL
SYMBOL
V
I
t
t
LOGIC
LOGIC
t
CSWH
PSR
t
CSWS
V
I
CWS
CWH
t
t
t
t
t
t
t
t
DD
WR
CH
DH
DD
CP
CL
DS
CS
TC
Operating mode,
f
Standby mode
Shutdown mode
C
V
(Note 8)
C
SAMPLE
DD
L
LOAD
= 20pF
= 3V ±10%, full-scale input
= 20pF (Figure 1)
= 250ksps
DD
DD
CONDITIONS
, V
CONDITIONS
, V
REF
REF
= +2.5V, 4.7µF capacitor at REF pin, f
= +2.5V, 4.7µF capacitor at REF pin, f
Internal reference
External reference
Internal reference
External reference
f
Not converting
SAMPLE
A
A
= +25°C.)
= +25°C.)
= 250ksps
MIN
MIN
2.7
1.8
208
100
40
40
40
40
40
60
60
20
0
0
±0.4
TYP
TYP
2.3
1.9
0.9
0.5
CLK
CLK
2
2
= 4.8MHz (50% duty
= 4.8MHz (50% duty
V
MAX
±0.9
MAX
150
DD
100
3.6
0.3
2.6
2.3
1.2
0.8
10
10
+
UNITS
UNITS
mA
mV
µA
µA
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
V