hi5728 Intersil Corporation, hi5728 Datasheet

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hi5728

Manufacturer Part Number
hi5728
Description
10-bit, 125/60msps, Dual High Speed Cmos D/a Converter
Manufacturer
Intersil Corporation
Datasheet

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10-Bit, 125/60MSPS, Dual High Speed
CMOS D/A Converter
The HI5728 is a 10-bit, dual 125MSPS D/A converter which
is implemented in an advanced CMOS process. It is
designed for high speed applications where integration,
bandwidth and accuracy are essential. Operating from a
single +5V or +3V supply, the converter provides 20.48mA of
full scale output current and includes an input data register.
Low glitch energy and excellent frequency domain
performance are achieved using a segmented architecture.
A 60MSPS version and an 8-bit (HI5628) version are also
available. Comparable single DAC solutions are the HI5760
(10-bit) and the HI5660 (8-bit).
Ordering Information
Pinout
HI5728IN
HI5728/6IN
HI5728EVAL1
NUMBER
PART
-40 to 85 48 Ld LQFP Q48.7x7A
-40 to 85 48 Ld LQFP Q48.7x7A
RANGE
TEMP.
(
o
25
C)
Evaluation Platform
®
PACKAGE
1
ID0 (LSB)
SLEEP
DGND
DV
AV
NC
ID6
ID5
ID4
ID3
ID2
ID1
DD
DD
Data Sheet
1-888-INTERSIL or 321-724-7143 | Intersil and Design is a trademark of Intersil Corporation. | Copyright © Intersil Corporation 2000
PKG. NO.
10
11
12
1
2
3
4
5
6
7
8
9
13 14 15 16
48
47
125MHz
60MHz
125MHz
CLOCK
SPEED
MAX
46
45
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
44
17
TOP VIEW
(LQFP)
HI5728
43
18
42
19
41
20
Features
• Throughput Rate . . . . . . . . . . . . . . . . . . . . . . . . 125MSPS
• Low Power . . . . . . . . . . . . . . . 330mW at 5V, 54mW at 3V
• Integral Linearity Error . . . . . . . . . . . . . . . . . . . . . ±1 LSB
• Differential Linearity . . . . . . . . . . . . . . . . . . . . . . ±0.5 LSB
• Gain Matching (Typ) . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5%
• SFDR at 5MHz Output . . . . . . . . . . . . . . . . . . . . . . . 68dBc
• Single Power Supply from +5V to +3V
• CMOS Compatible Inputs
• Excellent Spurious Free Dynamic Range
• Internal Voltage Reference
• Dual 10-Bit D/A Converters on a Monolithic Chip
Applications
• Wireless Local Loop
• Direct Digital Frequency Synthesis
• Wireless Communications
• Signal Reconstruction
• Arbitrary Waveform Generators
• Test Equipment/Instrumentation
• High Resolution Imaging Systems
40
21
22
39
23
38
37
24
36
35
34
33
32
31
30
29
28
27
26
25
July 1999
QD6
QD5
QD4
QD3
QD2
QD1
QD0 (LSB)
DV
DGND
NC
AV
AGND
DD
DD
File Number
HI5728
4321.4

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hi5728 Summary of contents

Page 1

... Data Sheet 10-Bit, 125/60MSPS, Dual High Speed CMOS D/A Converter The HI5728 is a 10-bit, dual 125MSPS D/A converter which is implemented in an advanced CMOS process designed for high speed applications where integration, bandwidth and accuracy are essential. Operating from a single +5V or +3V supply, the converter provides 20.48mA of full scale output current and includes an input data register ...

Page 2

... REFERENCE SELECT REFLO REFIO FSADJ SLEEP (LSB) QD0 QD1 QD2 QD3 QD4 LATCH QD5 QD6 QD7 QD8 QCLK AV AGND DV DGND HI5728 IOUTA 36 LATCH UPPER 31 5-BIT DECODER BIAS GENERATION 36 LATCH UPPER 31 5-BIT DECODER QOUTA QOUTB IOUTB CASCODE CURRENT SOURCE 5 LSBs 36 + SWITCH ...

Page 3

... Typical Applications Circuit 50Ω ID6 ID5 ID4 ID3 ID2 ID1 ID0 (LSB) SLEEP DV DD 0.1µ 0.1µ 0.1µF FERRITE +5V OR +3V SUPPLY BEAD + 10µH 10µF 0.1µF 3 HI5728 I /Q CLK CLK 0.1µF 0.1µ ...

Page 4

... DD 43 ICLK 42 QCLK 4 HI5728 PIN DESCRIPTION Digital Data Bit 9, the Most Significant Bit through Digital Data Bit 0, the Least Significant Bit, of the Q channel. Digital Data Bit 9, the Most Significant Bit through Digital Data Bit 0, the Least Significant Bit, of the I channel. Control Pin for Power-Down mode. Sleep Mode is active high; Connect to ground for Normal Mode. Sleep pin has internal 20µ ...

Page 5

... LSB, equivalent to 10 Bits) (Note 25Ω (Note 7) L Full Scale Step Full Scale Step IOUTFS = 20mA IOUTFS = 2mA o θ 150 for All Typical Values. Data given is A HI5728IN - MIN TYP MAX UNITS Bits ±0 LSB ± ...

Page 6

... Electrical Specifications AV DD per channel except for ‘Power Supply Characteristics.’ (Continued) PARAMETER AC CHARACTERISTICS (Per Channel) - HI5728IN - 125MHz Spurious Free Dynamic Range, SFDR Within a Window Total Harmonic Distortion (THD) to Nyquist Spurious Free Dynamic Range, SFDR to Nyquist AC CHARACTERISTICS (Per Channel) - HI5728/6IN - 60MHz ...

Page 7

... IOUTFS = 2mA) (Note 6) (3V, IOUTFS = 20mA) (Note 6) (3V, IOUTFS = 2mA) (Note 6) (5V, IOUTFS = 20mA) (Note 10) (3.3V, IOUTFS = 20mA) (Note 10) (3V, IOUTFS = 20mA) (Note 10) Single Supply (Note for All Typical Values. Data given is A HI5728IN - MIN TYP MAX UNITS 2 ...

Page 8

... OUTPUT FREQUENCY (MHz) FIGURE 3. SFDR CLOCK = 50MSPS OUT 6dBFS -12dBFS 60 55 0dBFS OUTPUT FREQUENCY (MHz) FIGURE 5. SFDR CLOCK = 125MSPS OUT 8 HI5728 76 74 -6dBFS 1.4 1.6 1 ...

Page 9

... OUT FIGURE 9. SFDR CLOCK = 100MSPS OUT -40 - TEMPERATURE ( FIGURE 11. SFDR vs TEMPERATURE, CLOCK = 100MSPS 9 HI5728 (Continued) 75 25MSPS 70 50MSPS 125MSPS - AMPLITUDE (TOTAL PEAK POWER OF COMBINED TONES) (dBFS FIGURE 8. SFDR vs AMPLITUDE OF TWO TONES, f ...

Page 10

... FREQUENCY (MHz) FIGURE 15. EIGHT-TONE, CLOCK = 100MSPS 0.4 0.2 0 -0.2 -0.4 0 200 400 600 CODE FIGURE 17. DIFFERENTIAL NONLINEARITY 10 HI5728 (Continued) -10 Fclk = 100MSPS f = 100MSPS CLK -20 Fout = 13.5/14.5MHz = 13.5/14.5MHZ COMBINED PEAK -30 MTPR = 62.9dBc SFDR = 62.9dBc -40 14dB EXTERNAL -50 -60 -70 -80 -90 50 -100 ...

Page 11

... CLOCK = 5MSPS OUT 80 75 -6dBFS 70 -12dBFS 65 60 0dBFS OUTPUT FREQUENCY (MHz) FIGURE 22. SFDR CLOCK = 50MSPS OUT 11 HI5728 (Continued) 320 310 300 290 280 270 260 250 240 230 220 210 CLOCK RATE (MSPS) CLK / 80 -6dBFS 75 ...

Page 12

... AMPLITUDE (dBFS) FIGURE 26. SFDR vs AMPLITUDE (MA) OUT FIGURE 28. SFDR CLOCK = 100MSPS OUT 12 HI5728 (Continued FIGURE 25. SFDR vs AMPLITUDE 25MSPS 70 65 50MSPS 60 100MSPS FIGURE 27 ...

Page 13

... ANALYZER ATTENUATION -70 -80 -90 -100 -110 0 5MHz/DIV. FREQUENCY (MHz) FIGURE 32. TWO-TONE, CLOCK = 100MSPS -20 -30 f -40 -50 -60 -70 -80 -90 -100 -110 0.5 1.95MHz/DIV. FREQUENCY (MHz) FIGURE 34. EIGHT-TONE, CLOCK = 100MSPS 13 HI5728 (Continued) -10 -20 2.5MHz -30 10.1MHz -40 -50 -60 -70 -80 40.4MHz -90 -100 -110 100MSPS CLK f = 13.5/14.5MHz ...

Page 14

... Typical Performance Curves, 3V Power Supply 0.4 0.2 0 -0.2 -0.4 0 200 400 600 CODE FIGURE 36. DIFFERENTIAL NONLINEARITY FIGURE 38. POWER vs CLOCK RATE HI5728 (Continued) 0.4 0.2 0 -0.2 -0.4 800 1000 152 148 144 140 136 132 128 124 120 CLOCK RATE (MSPS) f CLK / OUT 0 200 400 600 CODE FIGURE 37 ...

Page 15

... Ideally the step size should be 1 LSB. A DNL specification of 1 LSB or less guarantees monotonicity. Output Settling Time, is the time required for the output voltage to settle to within a specified error band measured 15 HI5728 50% 1 LSB ERROR BAND FIGURE 40. PEAK GLITCH AREA (SINGLET) MEASUREMENT t t ...

Page 16

... The units are ppm per C. Detailed Description The HI5728 is a dual, 10-bit, current out, CMOS, digital to analog converter. Its maximum update rate is 125MSPS and can be powered by either single or dual power supplies in the recommended range of +3V to +5V. It consumes less than 330mW of power when using a +5V supply with the data switching at 100MSPS ...

Page 17

... No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com 17 HI5728 equally terminated. The voltage developed at the output must not violate the output voltage compliance range of -0 ...

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