MAX1091BEEI+ Maxim Integrated Products, MAX1091BEEI+ Datasheet - Page 14

• Manufacturer Part Number: MAX1091BEEI+
• Description: IC ADC 10BIT 250KSPS 28-QSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX1091BEEI+

• Number Of Bits: 10
• Sampling Rate (per Second): 250k
• Data Interface: Parallel
• Number Of Converters: 1
• Power Dissipation (max): 667mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-QSOP
• Number Of Adc Inputs: 8
• Architecture: SAR
• Conversion Rate: 250 KSPs
• Resolution: 10 bit
• Input Type: Differential
• Interface Type: Parallel
• Voltage Reference: Internal 2.5 V or External
• Supply Voltage (max): 3 V
• Maximum Power Dissipation: 762 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

250ksps, +3V, 8-/4-Channel, 10-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 MAX1091 only.
14
D7 (MSB)
A2
0
0
0
0
1
1
1
1
______________________________________________________________________________________
PD1
CLK
CLK
WR
WR
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
CH0
ACQUISITION STARTS
t
ACQMOD
t
DH
DH
+
D5
CH1
+
WR GOES HIGH WHEN CLK IS HIGH.
SGL/DIF
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
-
-
-
-
-
-
-
-