MAX1261BCEI+ Maxim Integrated Products, MAX1261BCEI+ Datasheet - Page 14

• Manufacturer Part Number: MAX1261BCEI+
• Description: IC ADC 12-BIT 250KSPS 28-QSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX1261BCEI+

• Number Of Bits: 12
• Sampling Rate (per Second): 250k
• Data Interface: Parallel
• Number Of Converters: 1
• Power Dissipation (max): 5.1mW
• Voltage Supply Source: Single Supply
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 28-QSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

250ksps, +3V, 8-/4-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
Figure 6b. External Clock and WR Timing (External Acquisition Mode)
Table 2. Control Byte Format
Table 3. Channel Selection for Single-Ended Operation (SGL/DIF = 1)
*Channels CH4–CH7 apply to MAX1261 only.
14
D7 (MSB)
A2
CLK
CLK
WR
WR
0
0
0
0
1
1
1
1
______________________________________________________________________________________
PD1
A1
0
0
1
1
0
0
1
1
ACQMOD = 1
ACQMOD = 1
PD0
D6
A0
0
1
0
1
0
1
0
1
ACQUISITION STARTS
ACQUISITION STARTS
CH0
t
t
DH
DH
ACQMOD
+
D5
CH1
+
SGL/DIF
WR GOES HIGH WHEN CLK IS HIGH.
WR GOES HIGH WHEN CLK IS LOW.
D4
CH2
+
CH3
+
UNI/BIP
D3
ACQUISITION ENDS
CH4*
+
t
CWH
ACQUISITION ENDS
ACQMOD = 0
D2
A2
CH5*
+
ACQMOD = 0
t
CWS
CH6*
+
D1
A1
CONVERSION STARTS
CONVERSION STARTS
CH7*
+
D0 (LSB)
A0
COM
-
-
-
-
-
-
-
-