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MAX149BEAP+ Datasheet

  • MAX149BEAP+

  • IC, ADC, 10BIT, 133KSPS, SSOP-20; Resolution (Bits):10; Samp...

  • 24頁

  • Maxim   Maxim

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+2.7V to +5.25V, Low-Power, 8-Channel,
Serial 10-Bit ADCs
MAX148/MAX149
CLOCK
MODE
INTERNAL
SETS INTERNAL
CLOCK MODE
S X X X X X 1 0
S X X X X X 0 0
SETS
POWER-DOWN
S
DIN
DOUT
DATA VALID
DATA VALID
SSTRB
MODE
CONVERSION
POWERED UP
CONVERSION
POWER-DOWN
POWERED UP
Figure 12b. Timing Diagram Power-Down Modes, Internal Clock
Table 5. Software Power-Down
and Clock Mode
PD1
0
0
1
1
PD0
0
1
0
1
DEVICE MODE
Full Power-Down
Fast Power-Down
Internal Clock
External Clock
Table 6. Hard-Wired Power-Down
and Internal Clock Frequency
SHDN
STATE
1
Floating
0
DEVICE
MODE
Enabled
Enabled
Power-Down
REFERENCE-
BUFFER
COMPENSATION
Internal
External
N/A
INTERNAL
CLOCK
FREQUENCY
225kHz
1.8MHz
N/A
AVERAGE SUPPLY CURRENT
vs. CONVERSION RATE
WITH EXTERNAL REFERENCE
MAX148/9-13
AVERAGE SUPPLY CURRENT
vs. CONVERSION RATE
(USING FULLPD)
R
LOAD
=
鈭?/div>
CODE = 1010101000
8 CHANNELS
10
1 CHANNEL
MAX148/9-F14A
10,000
AVERAGE SUPPLY CURRENT (碌A)
VREF = V
DD
= 3.0V
R
LOAD
=
鈭?/div>
CODE = 1010101000
100
AVERAGE SUPPLY CURRENT (碌A)
1000
100
8 CHANNELS
10
1 CHANNEL
1
0.1
0.1
1
10
100
1k
10k
100k
1M
CONVERSION RATE (Hz)
1
0.01
0.1
1
10
100
1k
CONVERSION RATE (Hz)
Figure 13. Average Supply Current vs. Conversion Rate with
External Reference
Figure 14a. MAX149 Supply Current vs. Conversion Rate,
FULLPD
16
______________________________________________________________________________________

MAX149BEAP+ 產品屬性

  • Lead (SnPb) Finish for COTSObsolescence Mitigation Program

  • 66

  • 集成電路 (IC)

  • 數據采集 - 模數轉換器

  • -

  • 10

  • 133k

  • MICROWIRE?，QSPI?，串行，SPI?

  • 1

  • 640mW

  • 單電源

  • -40°C ~ 85°C

  • 表面貼裝

  • 20-SSOP（0.209"，5.30mm 寬）

  • 20-SSOP

  • 管件

  • 8 個單端，單極；8 個單端，雙極；4 個差分，單極；4 個差分，雙極

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