Rainbow Electronics MAX5190 - Manual (Page 7)

MAX5187/MAX5190
8-Bit, 40MHz, Current/Voltage-Output DACs
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Pin Description
14–19 D1–D6 Data Bit D1–D6
20 D7 Data Bit D7 (MSB)
21 DV DD Digital Supply, +2.7V to +3.3V
24 REFO Reference Output
23 REFR Reference Input
NAME FUNCTION
1 CREF Reference Bias Bypass
2 OUTP Positive Analog Output. Current output for MAX5187; voltage output for MAX5190.
PIN
3 OUTN Negative Analog Output. Current output for MAX5187; voltage output for MAX5190.
4 AGND Analog Ground
7 PD
Power-Down Select
0: Enter DAC standby mode (DACEN = DGND) or power-up DAC (DACEN = DV
DD )
1: Enter shutdown mode
6 DACEN
DAC Enable, Digital Input
0: Enter DAC standby mode with PD = DGND
1: Power-up DAC with PD = DGND
X: Enter shutdown mode with PD = DV
DD (X = don’t care)
5 AV DD Analog Positive Supply, +2.7V to +3.3V
13 D0 Data Bit D0 (LSB)
11, 12, 22 DGND Digital Ground
10 REN Active-Low Reference Enable. Connect to DGND to activate on-chip +1.2V reference.
9 CLK Clock Input
8 CS Active-Low Chip Select