19-3196; Rev 0; 2/04
Dual, 10-Bit, 80Msps, Current-Output DAC
General Description
Features
The MAX5853 dual, 10-bit, 80Msps digital-to-analog
converter (DAC) provides superior dynamic performance
in wideband communication systems. The device inte-
grates two 10-bit DAC cores, and a 1.24V reference. The
converter supports single-ended and differential modes
of operation. The MAX5853 dynamic performance is
maintained over the entire 2.7V to 3.6V power-supply
operating range. The analog outputs support a -1.0V to
+1.25V compliance voltage.
o 10-Bit, 80Msps Dual DAC
o Low Power
77mW with I = 5mA at f
= 80MHz
FS
CLK
o 2.7V to 3.6V Single Supply
o Full Output Swing and Dynamic Performance at
2.7V Supply
o Superior Dynamic Performance
78dBc SFDR at f
= 20MHz
The MAX5853 can also operate in interleave data mode
to reduce the I/O pin count. This allows the converter to
be updated on a single, 10-bit bus.
OUT
o Programmable Channel Gain Matching
o Integrated 1.24V Low-Noise Bandgap Reference
o Single-Resistor Gain Control
The MAX5853 features digital control of channel gain
matching to within 0.4dꢀ in siꢁteen 0.05dꢀ steps.
Channel matching improves sideband suppression in
analog quadrature modulation applications. The on-
chip 1.24V bandgap reference includes a control
amplifier that allows eꢁternal full-scale adjustments of
both channels through a single resistor. The internal ref-
erence can be disabled and an eꢁternal reference may
be applied for high-accuracy applications.
o Interleaved Data Mode
o Single-Ended and Differential Clock Input Modes
o Miniature 40-Pin Thin QFN Package, 6mm x 6mm
o EV Kit Available—MAX5854 EV Kit
Ordering Information
The MAX5853 features full-scale current outputs of 2mA
to 20mA and operates from a 2.7V to 3.6V single supply.
The DAC supports three modes of power-control opera-
tion: normal, low-power standby, and complete power-
down. In power-down mode, the operating current is
reduced to 1µA.
PART
TEMP RANGE
PIN-PACKAGE
MAX5853ETL
-40°C to +85°C
40 Thin QFN-EP*
*EP = Exposed paddle.
The MAX5853 is packaged in a 40-pin thin QFN with
eꢁposed paddle (EP) and is specified for the eꢁtended
(-40°C to +85°C) temperature range.
Pin Configuration
TOP VIEW
Pin-compatible, higher speed, and lower resolution
versions are also available. Refer to the MAX5854
(10-bit, 165Msps), the MAX5852** (8-bit, 165Msps), and
the MAX5851** (8-bit, 80Msps) data sheets for more
information. See Table 4 at the end of the data sheet.
40 39 38 37 36 35 34 33
32 31
30
29
DA9/PD
DA8/DACEN
DA7/IDE
DA6/REN
DA5/G3
DA4/G2
DA3/G1
DA2/G0
DA1
CV
DD
1
2
EP
CGND
Applications
3
28 CLK
Communications
4
27
26
25
24
23
22
21
CV
DD
SatCom, LMDS, MMDS, HFC, DSL, WLAN,
Point-to-Point Microwave Links
5
CLKXN
CLKXP
DCE
MAX5853
6
Wireless ꢀase Stations
Quadrature Modulation
Direct Digital Synthesis (DDS)
Instrumentation/ATE
7
8
CW
9
DB0
10
DA0
DB1
11
16 17 18 19 20
15
12
13 14
THIN QFN
**Future product—contact factory for availability.
________________________________________________________________ Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
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