MAX1249AMJE Maxim Integrated, MAX1249AMJE Datasheet - Page 15

• Manufacturer Part Number: MAX1249AMJE
• Description: Analog to Digital Converters - ADC
• Manufacturer: Maxim Integrated

Specifications of MAX1249AMJE

• Number Of Channels: 4/2
• Architecture: SAR
• Conversion Rate: 133 KSPs
• Resolution: 10 bit
• Input Type: Single-Ended/Differential
• Snr: 64 dB
• Interface Type: 4-Wire (SPI, Microwire, QSPI, TMS320)
• Operating Supply Voltage: 2.7 V to 5.25 V
• Maximum Operating Temperature: + 125 C
• Package / Case: CDIP N
• Maximum Power Dissipation: 667 mW
• Minimum Operating Temperature: - 55 C
• Number Of Converters: 1
• Voltage Reference: External

Figure 11a. Timing Diagram Power-Down Modes, External Clock
Table 4. Typical Power-Up Delay Times
Figure 11b. Timing Diagram Power-Down Modes, Internal Clock
REFERENCE
CLOCK
MODE
MODE
DOUT
SHDN
BUFFER
Disabled
Disabled
Enabled
Enabled
Enabled
Enabled
DIN
SSTRB
CLOCK
MODE
MODE
DOUT
DIN
S X X X X X 1 1
S X X X X X 1 0
______________________________________________________________________________________
REFERENCE-BUFFER
+2.7V to +5.25V, Low-Power, 4-Channel,
COMPENSATION
External
External
SETS EXTERNAL
CLOCK MODE
Internal
Internal
MODE
10+2 DATA BITS
—
—
POWERED UP
CONVERSION
SETS INTERNAL
CLOCK MODE
POWERED UP
Serial 10-Bit ADCs in QSOP-16
CAPACITOR
EXTERNAL
DATA VALID
S
VREF
X
(µF)
4.7
4.7
X
—
—
—
—
X
X
X
0 0
INTERNAL
SETS SOFTWARE
POWER-DOWN
S
10+2 DATA BITS
X
POWER-DOWN
X
X
X
MODE
Fast
Fast
Fast
X
Full
Full
Full
0 0
POWER-DOWN
SETS
POWER-DOWN
SOFTWARE
CONVERSION
SETS EXTERNAL
CLOCK MODE
S
X X X X X
See Figure 13c
See Figure 13c
POWERED UP
POWER-UP
DELAY
(µs)
300
1 1
5
2
2
DATA VALID
POWER-DOWN
VALID
DATA
HARDWARE
EXTERNAL
POWER-
INVALID
DOWN
DATA
SAMPLING RATE
MAXIMUM
(ksps)
S
133
133
133
133
POWERED UP
POWERED UP
26
26
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