Datasheet
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
DAC5672
www.ti.com
SLAS440C –NOVEMBER 2004–REVISED DECEMBER 2010
DEVICE INFORMATION
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 mF 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)
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