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DAC904 데이터시트 PDF




Burr-Brown Corporation에서 제조한 전자 부품 DAC904은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 DAC904 자료 제공

부품번호 DAC904 기능
기능 14-Bit/ 165MSPS DIGITAL-TO-ANALOG CONVERTER
제조업체 Burr-Brown Corporation
로고 Burr-Brown Corporation 로고


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DAC904 데이터시트, 핀배열, 회로
®
DAC904
DAC904
For most current data sheet and other product
information, visit www.burr-brown.com
DAC904
TM 14-Bit, 165MSPS
DIGITAL-TO-ANALOG CONVERTER
FEATURES
q SINGLE +5V OR +3V OPERATION
q HIGH SFDR: 20MHz Output at 100MSPS: 64dBc
q LOW GLITCH: 3pV-s
q LOW POWER: 170mW at +5V
q INTERNAL REFERENCE:
Optional Ext. Reference
Adjustable Full-Scale Range
Multiplying Option
APPLICATIONS
q COMMUNICATION TRANSMIT CHANNELS
WLL, Cellular Base Station
Digital Microwave Links
Cable Modems
q WAVEFORM GENERATION
Direct Digital Synthesis (DDS)
Arbitrary Waveform Generation (ARB)
q MEDICAL/ULTRASOUND
q HIGH-SPEED INSTRUMENTATION AND
CONTROL
q VIDEO, DIGITAL TV
DESCRIPTION
The DAC904 is a high-speed, digital-to-analog converter (DAC)
offering a 14-bit resolution option within the SpeedPlus family
of high-performance converters. Featuring pin compatibility
among family members, the DAC908, DAC900, and DAC902
provide a component selection option to an 8-, 10-, and 12-bit
resolution, respectively. All models within this family of D/A
converters support update rates in excess of 165MSPS with
excellent dynamic performance, and are especially suited to
fulfill the demands of a variety of applications.
The advanced segmentation architecture of the DAC904 is
optimized to provide a high Spurious-Free Dynamic Range
(SFDR) for single-tone, as well as for multi-tone signals—
essential when used for the transmit signal path of communica-
tion systems.
The DAC904 has a high impedance (200k) current output with
a nominal range of 20mA and an output compliance of up to
1.25V. The differential outputs allow for both a differential, or
single-ended analog signal interface. The close matching of the
current outputs ensures superior dynamic performance in the
differential configuration, which can be implemented with a
transformer.
Utilizing a small geometry CMOS process, the monolithic
DAC904 can be operated on a wide, single-supply range of
+2.7V to +5.5V. Its low power consumption allows for use in
portable and battery operated systems. Further optimization can
be realized by lowering the output current with the adjustable
full-scale option.
For noncontinuous operation of the DAC904, a power-down
mode results in only 45mW of standby power.
The DAC904 comes with an integrated 1.24V bandgap refer-
ence and edge-triggered input latches, offering a complete
converter solution. Both +3V and +5V CMOS logic families
can be interfaced to the DAC904.
The reference structure of the DAC904 allows for additional
flexibility by utilizing the on-chip reference, or applying an
external reference. The full-scale output current can be adjusted
over a span of 2mA to 20mA, with one external resistor, while
maintaining the specified dynamic performance.
The DAC904 is available in SO-28 and TSSOP-28 packages.
+VA
DAC904
FSA
REFIN
INT/EXT
BW +VD
Current
Sources
LSB
Switches
Segmented
Switches
IOUT
IOUT
BYP
+1.24V Ref.
AGND
CLK
Latches
PD
14-Bit Data Input
D13...D0
DGND
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111
Twx: 910-952-1111 • Internet: http://www.burr-brown.com/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
©1999 Burr-Brown Corporation
PDS-11448B
DACPri9nte0d 4in U.S.A. May, 2000
®




DAC904 pdf, 반도체, 판매, 대치품
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 +VD
26 DGND
25 NC
24 +VA
23 BYP
22 IOUT
21 IOUT
20 AGND
19 BW
18 FSA
17 REFIN
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 REFIN
18 FSA
19 BW
20 AGND
21 IOUT
22 IOUT
23 BYP
24 +VA
25 NC
26 DGND
27 +VD
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 +VA for Optimum
Performance.
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 Connection
Digital Ground
Digital Supply Voltage, 2.7V to 5.5V
Clock Input
TYPICAL CONNECTION CIRCUIT
RSET
+5V
0.1µF
+VA
DAC904
FSA
REFIN
0.1µF
+5V
BW +VD
Current
Sources
LSB
Switches
Segmented
MSB
Switches
INT/EXT
+1.24V Ref.
AGND
Latches
CLK
14-Bit Data Input
D13.......D0
IOUT
IOUT
BYP
0.1µF
50
20pF
50
1:1
20pF
PD
DGND
®
DAC904
4

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DAC904 전자부품, 판매, 대치품
TYPICAL PERFORMANCE CURVES, VD = VA = +5V (Cont.)
At TA = +25°C, Differential IOUT = 20mA, 50double-terminated load, SFDR up to Nyquist, unless otherwise specified.
80
75
70
65
60
55
50
45
40
0
SFDR vs fOUT AT 165MSPS
–6dBFS
0dBFS
10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0
Frequency (MHz)
80
75
70
65
60
55
50
45
40
0
SFDR vs fOUT AT 200MSPS
–6dBFS
0dBFS
10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 90.0
Frequency (MHz)
DIFFERENTIAL vs SINGLE-ENDED SFDR vs fOUT
AT 100MSPS
85
80
75 X
X
70
Diff (–6dBFS)
X
65
60
Diff (0dBFS)
55
X
X
50 IOUT (0dBFS)
IOUT (–6dBFS)
X
X
45
0
10.0
20.0
30.0
40.0
50.0
Frequency (MHz)
80
75
70
*
65
60
55
X
50
45
40
2
SFDR vs IOUTFS and fOUT AT 100MSPS, 0dBFS
* 10.1MHz *
20.2MHz
2.1MHz
*5.04MHz
X X 40.4MHz
X
5 10
IOUTFS (mA)
20
–70
–75
–80
–85
–90
–95
–100
0
THD vs fCLOCK AT fOUT = 2.1MHz
2HD
4HD
XX XX
3HD
25 50 100 125 150
fCLOCK (MSPS)
SFDR vs TEMPERATURE AT 100MSPS, 0dBFS
85
80
2.1MHz
75
70
65 10.1MHz
60
55
50 X
45
–40
X
–20
40.4MHz
XXXX
0 25 50
Temperature (°C)
70
X
85
®
7 DAC904

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