Rainbow Electronics MAX5295 - Manual (Page 12)

MAX5290–MAX5295
Buffered, Fast-Settling, Dual, 12-/10-/8-Bit,
Voltage-Output DACs
12 ______________________________________________________________________________________
Pin Description
PIN
MAX5290
MAX5292
MAX5294 MAX5291
MAX5293
MAX5295
THIN QFN TSSOP THIN QFN TSSOP
NAME FUNCTION
1 2 1 3 DSP
Clock Enable. Connect DSP to DV DD at power-up to transfer
data on the rising edge of SCLK. Connect DSP to DGND at
power-up to transfer data on the falling edge of SCLK.
2 3 2 4 DIN Serial Data Input
3 4 3 5 CS Active-Low Chip-Select Input
4 5 4 6 SCLK Serial Clock Input
5 6 5 7 DV DD Digital Supply
6 7 6 8 DGND Digital Ground
7 8 7 9 AGND Analog Ground
8 9 8 10 AV DD Analog Supply
9 10 9 11 OUTB DACB Output
— — 10 12 FBB Feedback for DACB Output Buffer
10 11 11 13 REF Reference Input
— — 12 14 FBA Feedback for DACA Output Buffer
11, 13 — — — N.C. No Connection. Not internally connected.
12 12 13 15 OUTA DACA Output
14 13 14 16 PU
Power-Up State Select Input. Connect PU to DV DD to set OUTA
and OUTB to full scale upon power-up. Connect PU to DGND to
set OUTA and OUTB to zero upon power-up. Leave PU floating
to set OUTA and OUTB to midscale upon power-up.
15 14 15 1 UPIO2 User-Programmable Input/Output 2
16 1 16 2 UPIO1 User-Programmable Input/Output 1
— — — — EP
Exposed Paddle (QFN Only). Not internally connected. Do not
connect to circuitry.