Dual 10-bit 3.3V 260MSPS High Speed D/A Converter
Description
®
ISL5727
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Data Sheet
May 2004
FN6082
Dual 10-bit, +3.
3V, 260+MSPS, High Speed D/A Converter
The ISL5727 is a dual 10-bit, 260+MSPS (Mega Samples Per Second), CMOS, high speed, low power, D/A (digital to analog) converter, designed specifically for use in high performance communication systems such as base transceiver stations utilizing 2.
5G or 3G cellular protocols.
This device complements the ISL5x57 and ISL5x27 families of high speed converters, which include 8-, 10-, 12-, and 14-bit devices.
Features
• Low Power .
.
.
.
.
233mW with 20mA Output at 130MSPS • Adjustable Full Scale Output Current .
.
.
.
.
2mA to 20mA • Guaranteed Gain Matching < 0.
14dB • +3.
3V Power Supply • 3V LVCMOS Compatible Inputs • Excellent Spurious Free Dynamic Range (70dBc to Nyquist, f S = 130MSPS, fOUT = 10MHz) • UMTS Adjacent Channel Power = 65dB at 19.
2MHz • EDGE/GSM SFDR = 83dBc at 11MHz in 20MHz Window
Ordering Information
PART NUMBER ISL5727IN ISL5727EVAL1 TEMP.
RANGE (°C) -40 to 85 25 PACKAGE 48 Ld LQFP PKG.
DWG.
# CLOCK SPEED
• Dual, 3.
3V, Lower Power Replacement for AD9763
Q48.
7x7A 260MHz 260MHz
Applications
• Cellular Infrastructure - Single or Multi-Carrier: IS-136, IS-95, GSM, EDGE, CDMA2000, WCDMA, TDS-CDMA • BWA Infrastructure
Evaluation Platform
Pinout
ISL5727 (LQFP) TOP VIEW
ID9 (MSB) NC QD0 (LSB)
• Quadrature Transmit with IF Range 0–80MHz • Medical/Test Instrumentation and Equipment • Wireless Communication Systems
QD1
ID5
ID4
ID6
ID7 ID8
NC NC
ID3 ID2 ID1 (LSB) ID0 NC NC NC NC SLEEP DVDD AGND ICOMP
1 2 3 4 5 6 7 8 9 10 11 12
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 13 14 15 16 17 18 19 20 21 22 23 24
NC
QD2 QD3 QD4 QD5 QD6 QD7 QD8 QD9 (MSB) CLK DGND AGND QCOMP
REFLO
AGND FSADJ
IOUTA IOUTB
QOUTB QOUTA
REFIO
AVDD
NC
NC
1
AVDD
ISL5727 Typical Applications Circuit
ID4 ID5 ID6 ID7 ID8 ID9 (MSB) NC NC NC NC QD0 (LSB) QD1
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ID3 ID2 ID1 (LSB) ID0 NC NC NC NC DVPP C1 0.
1µF
S...
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