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MAX1196 Datasheet(PDF) 11 Page - Maxim Integrated Products

Part No. MAX1196
Description  Dual 8-Bit, 40Msps, 3V, Low-Power ADC with Internal Reference and Multiplexed Parallel Outputs
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX1196 Datasheet(HTML) 11 Page - Maxim Integrated Products

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Dual 8-Bit, 40Msps, 3V, Low-Power ADC with
Internal Reference and Multiplexed Parallel Outputs
______________________________________________________________________________________
11
Pin Description (continued)
PIN
NAME
FUNCTION
17
T/B
T/B selects the ADC digital output format.
High: Two’s complement.
Low: Straight offset binary.
18
SLEEP
Sleep Mode Input.
High: Deactivates the two ADCs, but leaves the reference bias circuit active.
Low: Normal operation.
19
PD
High-Active Power-Down Input.
High: Power-down mode
Low: Normal operation
20
OE
Low-Active Output Enable Input.
High: Digital outputs disabled
Low: Digital outputs enabled
21–29, 35, 36
N.C.
No Connection. Do not connect.
30
A/B
A/B Data Indicator. This digital output indicates CHA data (A/B = 1) or CHB data (A/B = 0) to be
present on the output. A/B follows the external clock signal with typically 6ns delay.
31, 34
OGND
Output-Driver Ground
32, 33
OVDD
Output-Driver Supply Voltage. Bypass to OGND with a capacitor combination of 2.2µF in parallel with
0.1µF.
37
D0A/B
Three-State Digital Output, Bit 0. Depending on status of A/B, output data reflects channel A or
channel B data.
38
D1A/B
Three-State Digital Output, Bit 1. Depending on status of A/B, output data reflects channel A or
channel B data.
39
D2A/B
Three-State Digital Output, Bit 2. Depending on status of A/B, output data reflects channel A or
channel B data.
40
D3A/B
Three-State Digital Output, Bit 3. Depending on status of A/B, output data reflects channel A or
channel B data.
41
D4A/B
Three-State Digital Output, Bit 4. Depending on status of A/B, output data reflects channel A or
channel B data.
42
D5A/B
Three-State Digital Output, Bit 5. Depending on status of A/B, output data reflects channel A or
channel B data.
43
D6A/B
Three-State Digital Output, Bit 6. Depending on status of A/B, output data reflects channel A or
channel B data.
44
D7A/B
Three-State Digital Output, Bit 7 (MSB). Depending on status of A/B, output data reflects channel A or
channel B data.
45
REFOUT
Internal Reference Voltage Output. Can be connected to REFIN through a resistor or a resistor-divider.
46
REFIN
Reference Input. VREFIN = 2
× (VREFP - VREFN). Bypass to GND with a ≥0.1µF capacitor.
47
REFP
Positive Reference I/O. Conversion range is ±(VREFP - VREFN). Bypass to GND with a
≥0.1µF capacitor.
48
REFN
Negative Reference I/O. Conversion range is ±(VREFP - VREFN). Bypass to GND with a
≥0.1µF
capacitor.


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