DAC904 Datasheet, PDF (4/23 Pages) Burr-Brown (TI) – 14-Bit, 165MSPS DIGITAL-TO-ANALOG CONVERTER

PIN CONFIGURATION
Top View
SO, TSSOP
Bit 1 1
Bit 2 2
Bit 3 3
Bit 4 4
Bit 5 5
Bit 6 6
Bit 7 7
Bit 8 8
Bit 9 9
Bit 10 10
Bit 11 11
Bit 12 12
Bit 13 13
Bit 14 14
DAC904
28 CLK
27 +V_D
26 DGND
25 NC
24 +V_A
23 BYP
22 I_OUT
21 I_OUT
20 AGND
19 BW
18 FSA
17 REF_IN
16 INT/EXT
15 PD
PIN DESCRIPTIONS
PIN DESIGNATOR
1
Bit 1
2
Bit 2
3
Bit 3
4
Bit 4
5
Bit 5
6
Bit 6
7
Bit 7
8
Bit 8
9
Bit 9
10
Bit 10
11
Bit 11
12
Bit 12
13
Bit 13
14
Bit 14
15
PD
16
INT/EXT
17
REF_IN
18
FSA
19
BW
20
AGND
21
I_OUT
22
I_OUT
23
BYP
24
+V_A
25
NC
26
DGND
27
+V_D
28
CLK
DESCRIPTION
Data Bit 1 (D13), MSB
Data Bit 2 (D12)
Data Bit 3 (D11)
Data Bit 4 (D10)
Data Bit 5 (D9)
Data Bit 6 (D8)
Data Bit 7 (D7)
Data Bit 8 (D6)
Data Bit 9 (D5)
Data Bit 10 (D4)
Data Bit 11 (D3)
Data Bit 12 (D2)
Data Bit 13 (D1)
Data Bit 14 (D0), LSB
Power Down, Control Input; Active
HIGH. Contains internal pull-down circuit;
may be left unconnected if not used.
Reference Select Pin; Internal ( = 0) or
External ( = 1) Reference Operation
Reference Input/Ouput. See Applications
section for further details.
Full-Scale Output Adjust
Bandwidth/Noise Reduction Pin:
Bypass with 0.1µF to +V_A for Optimum
Performance. (Optional)
Analog Ground
Complementary DAC Current Output
DAC Current Output
Bypass Node: Use 0.1µF to AGND
Analog Supply Voltage, 2.7V to 5.5V
No Internal Connection
Digital Ground
Digital Supply Voltage, 2.7V to 5.5V
Clock Input
TYPICAL CONNECTION CIRCUIT
R_SET
+5V
+5V
0.1µF⁽¹⁾
+V_A
DAC904
FSA
REF_IN
0.1µF
BW
+V_D
Current
Sources
LSB
Switches
Segmented
MSB
Switches
INT/EXT
+1.24V Ref.
AGND
Latches
14-Bit Data Input
CLK
D13.......D0
I_OUT
I_OUT
BYP
0.1µF
50Ω
20pF⁽¹⁾
50Ω
1:1
V_OUT
20pF⁽¹⁾
PD
DGND
NOTE: (1) Optional components.
4
DAC904
www.ti.com
SBAS095C