User`s guide

Elan Digital Systems Ltd. 43 AD125 USER’S GUIDE
5.3 DIGITAL
ALL PARAMETERS @ 25°C
SAMPLE BUFFER: 32768 x 8 BITS (16K SAMPLES)
ACQUISITION MODES: BURST, FIFO, SINGLE SHOT
FIFO THROUGHPUT: > 500KSPS (PC SPEED DEPENDENT)
DIGITAL I/O CHANS: 8 CHANNELS (AD) OR 4 (MF) BIT-MAPPED, PROG
AS I/P OR O/P
DIGITAL I/O DRIVE: 4mA TYP TO TTL LEVELS. CMOS DRIVERS
I/O CONFIGURATIONS: OUTPUT ENABLE GROUPS 1,1,2,4 (AD) OR 1,1,2
(MF) IOPINS WIDE GIVING ANY NUMBER OF
INs OR OUTs
TRIGGERING: PROGRAMMABLE 8-BIT THRESHOLD
EDGE: +ET, -ET, >, <
ENABLE: SOFTWARE CAN ARM SYSTEM DURING RUN
PRE-TRIGGER: FROM 1 TO 16383 CONVERSIONS (BURST MODE)
MUX SEQUENCING: FLEXIBLE MUX ADDRESSES CYCLED
AUTOMATICALLY EACH CONVERSION. ALSO
ALLOWS CONTINUOUS SAMPLING OF ANY ONE
CHANNEL.
INTERRUPTS: BURST MODE IREQ SIGNALS HALT.
FIFO MODE IREQ GIVES BUFFER FILL STATE
5.4 POWER CONSUMPTION
ALL PARAMETERS @ 25°C
Vcc CURRENT: ACTIVE MODE 200mA avg +/-20%.
SLEEP MODE 20mA typ.
Vpp CURRENT: ZERO (NOT USED)
5.5 MECHANICAL
MASS: 30g
FORM FACTOR: TYPE II PC-CARD
5.6 ENVIRONMENTAL
HUMIDITY: <80% NON-CONDENSING
TEMP: 0-50°C AMBIENT