12-/14-/16-Bit, 200/250/500Msps Dual DAC Family Offers Industry-Leading Dynamic Performance at Low Power
SUNNYVALE, CA-August 18, 2005-Maxim Integrated Products (NASDAQ: MXIM) expands its high-speed data-converter portfolio by introducing 10 low-power, high-dynamic-performance, pin-compatible, 12-/14-/16-bit, dual digital-to-analog converters (DACs) with update rates up to 500Msps. The MAX5873, MAX5874, MAX5875, MAX5876, MAX5877, MAX5878, MAX5893, MAX5894, MAX5895, and MAX5898 deliver exceptional dynamic performance up to Nyquist and also tight gain and offset matching. These high-performance DACs are optimized for baseband transmit architectures with analog quadrature mixing, phased arrays, and diversity transmit applications.
The MAX5873 (12-bit), MAX5874 (14-bit), and MAX5875 (16-bit) DACs feature CMOS inputs and a 200Msps update rate. With an update rate of 250Msps, the MAX5876 (12-bit), MAX5877 (14-bit), and MAX5878 (16-bit) devices have LVDS inputs. The MAX5893 (12-bit), MAX5894 (14-bit), MAX5895 and MAX5898 (16-bit) parts have both CMOS and LVDS input options, a 500Msps update rate, selectable 2x/4x/8x interpolating filters, and a selectable digital quadrature modulator. All these DACs are ideal for applications such as single/multi-carrier base stations, broadband communications, cable-modem termination systems (CMTS), direct digital synthesis (DDS), and instrumentation.
The DAC performance capabilities are impressive. For example:
- At a 200Msps update rate, the 12-bit MAX5873 delivers 78dBc SFDR at 16MHz output frequency while consuming only 255mW. The MAX5873 features a CMOS input data bus, which can be configured as a dual data port or as a single interleaved data port.
- The 16-bit MAX5878 has a 250Msps update rate. It delivers industry-leading noise spectral density of -164dBFS/Hz at 16MHz output frequency while consuming only 298mW. A single LVDS interleaved data port operates up to 500MHz to support the dual DAC.
- With a 500Msps update rate, the 16-bit MAX5895 delivers 92dBc SFDR and-100dBc two-tone IMD at 10MHz output frequency. It consumes only 1.1W. Selectable interpolating filters enable low-input data rates at high DAC update rates and ease reconstruction filter requirements. The MAX5895 can be used in conjunction with the MAX2022 zero-IF quadrature modulator to enable a four-carrier WCDMA base-station transmitter.
These pin-compatible devices are specified for the extended-industrial temperature range (-40 degrees Celsius to +85 degrees Celsius) and available in a space-saving 68-pin QFN-EP package. Evaluation kits and transmitter reference designs are available to speed designs. All devices are in production.
| Part # |
Resolution
(Bits) |
Update Rate
(Msps) |
Interpolation Filters,
Digital Modulator |
Input Interface |
Price* ($) |
| MAX5898 |
16 |
500 |
Yes |
LVDS |
22.45 |
| MAX5893 |
12 |
500 |
Yes |
CMOS |
14.95 |
| MAX5894 |
14 |
500 |
Yes |
CMOS |
17.85 |
| MAX5895 |
16 |
500 |
Yes |
CMOS |
19.70 |
| MAX5876 |
12 |
250 |
- |
LVDS |
11.75 |
| MAX5877 |
14 |
250 |
- |
LVDS |
15.35 |
| MAX5878 |
16 |
250 |
- |
LVDS |
18.44 |
| MAX5873 |
12 |
200 |
- |
CMOS |
10.13 |
| MAX5874 |
14 |
200 |
- |
CMOS |
13.25 |
| MAX5875 |
16 |
200 |
- |
CMOS |
15.90 |
*1000-up (FOB USA).
|
