9042 Datasheet, PDF (2/26 Pages) Maxwell Technologies – 12-Bit, 41 MSPS A/D Converter

12-Bit, 41 MSPS A/D Converter
9042
TABLE 1. 9042 PIN DESCRIPTION
PIN
SYMBOL
DESCRIPTION
1
GND
2
DV_CC
3
GND
4
ENCODE
5
ENCODE
6
GND
7
GND
8
AIN
9
V_OFFSET
10
V_REF
11
GND
12
AV_CC
13
GND
14
AV_CC
15
NC
16
NC
17
D0 (LSB)
18 - 27
D1 - D10
28
D11 (MSB)¹
1. Output coded as twos compliment
Ground
5V Power Supply (Digital)
Ground
Encode Input. Data conversion initiated on rising edge.
Complement of ENCODE. Drive differently with ENCODE or bypass
to Ground for single-ended clock mode.
Ground
Ground
Analog Input.
Voltage Offset Input. Sets mid-point of analog input range. Normally
tied to V_REF through 50 Ohm resistor.
Internal Voltage Reference. Nominally 2.4V; normally tied to V_OFFSET
through 50 Ohm resistor. Bypass to Ground with 0.01 µ F capacitor.
Ground
5V Power Supply (Analog)
Ground
5V Power Supply (Analog)
No Connects.
No Connects.
Digital Output Bit (Least Significant Bit).
Digital Output Bits.
Digital Output Bit (Most Significant Bit).
01.07.05 REV 7
All data sheets are subject to change without notice 2
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