Datasheet
DEVICE INFORMATION
13 14 15
DB0 (LSB)
DB1
DB2
DB3
DB4
DB5
DB6
DB7
DB8
DB9
DB10
DB11
36
35
34
33
32
31
30
29
28
27
26
25
16
1
2
3
4
5
6
7
8
9
10
11
12
DA13 (MSB)
DA12
DA11
DA10
DA9
DA8
DA7
DA6
DA5
DA4
DA3
DA2
17 18 19 20
AGND
47 46 45 44 4348 42
IOUTA1
IOUTA2
BIASJ_A
EXTIO
GSET
BIASJ_B
IOUTB2
DVDD
DB13 (MSB)
DB12
DGND
DVDD
WRTA/WRTIQ
CLKA/CLKIQ
CLKB/RESETIQ
WRTB/SELECTIQ
DGND
40 39 3841
21 22 23 24
37
DA1
SLEEP
IOUTB1
MODE
AVDD
DA0 (LSB)
Top View
48−Pin TQFP
PFB Package
DAC5672A
www.ti.com
................................................................................................................................................... SLAS528A – SEPTEMBER 2007 – REVISED MAY 2009
TERMINAL FUNCTIONS
TERMINAL
I/O DESCRIPTION
NAME NO.
AGND 38 I Analog ground
AVDD 47 I Analog supply voltage
BIASJ_A 44 O Full-scale output current bias for DACA
BIASJ_B 41 O Full-scale output current bias for DACB
CLKA/CLKIQ 18 I Clock input for DACA, CLKIQ in interleaved mode
CLKB/RESETIQ 19 I Clock input for DACB, RESETIQ in interleaved mode
DA[13:0] 1-14 I Data port A. DA13 is MSB and DA0 is LSB. Internal pulldown.
DB[13:0] 23-36 I Data port B. DB13 is MSB and DB0 is LSB. Internal pulldown.
DGND 15, 21 I Digital ground
DVDD 16, 22 I Digital supply voltage
EXTIO 43 I/O Internal reference output (bypass with 0.1 µ F to AGND) or external reference input
GSET 42 I Gain-setting mode: H – 1 resistor, L – 2 resistors. Internal pullup.
IOUTA1 46 O DACA current output. Full-scale with all bits of DA high.
IOUTA2 45 O DACA complementary current output. Full-scale with all bits of DA low.
IOUTB1 39 O DACB current output. Full-scale with all bits of DB high.
IOUTB2 40 O DACB complementary current output. Full-scale with all bits of DB low.
MODE 48 I Mode Select: H – Dual Bus, L – Interleaved. Internal pullup.
Sleep function control input: H – DAC in power-down mode, L – DAC in operating mode.
SLEEP 37 I
Internal pulldown.
WRTA/WRTIQ 17 I Input write signal for PORT A (WRTIQ in interleaving mode)
WRTB/SELECTIQ 20 I Input write signal for PORT B (SELECTIQ in interleaving mode)
Copyright © 2007 – 2009, Texas Instruments Incorporated Submit Documentation Feedback 3
Product Folder Link(s): DAC5672A