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參數(shù)資料
| 型號(hào)： | MAX5887 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 3.3V, 14-Bit, 500Msps High Dynamic Performance DAC with Differential LVDS Inputs |
| 中文描述： | 3.3V、14位、500Msps、高動(dòng)態(tài)性能DAC，差分LVDS輸入 |
| 文件頁數(shù)： | 9/18頁 |
| 文件大?。?/td> | 982K |
| 代理商： | MAX5887 |
M
3.3V, 14-Bit, 500Msps High Dynamic
Performance DAC with Differential LVDS Inputs
_______________________________________________________________________________________
9
Analog Outputs (IOUTP, IOUTN)
The MAX5887 outputs two complementary currents
(IOUTP, IOUTN) that can be operated in a single-
ended or differential configuration. A load resistor can
convert these two output currents into complementary
single-ended output voltages. The differential voltage
existing between IOUTP and IOUTN can also be con-
verted to a single-ended voltage using a transformer or
a differential amplifier configuration. If no transformer is
used, the output should have a 50
termination to the
analog ground and a 50
resistor between the outputs.
Although not recommended for single-ended operation,
because of additional noise pickup from the ground
1.2V
REFERENCE
CURRENT-STEERING
DAC
FUNCTION
SELECTION
BLOCK
AGND
SEL0
DGND
DV
DD
REFIO
FSADJ
CLKN
CLKP
PD
AV
DD
IOUTP
IOUTN
SEGMENT SHUFFLING/LATCH
DECODER
LVDS RECEIVER/INPUT LATCH
14
DIFFERENTIAL DIGITAL INPUTS B0 THROUGH B13
MAX5887
Figure 1. Simplified MAX5887 Block Diagram
R
SET
(k
)
FULL-SCALE CURRENT
I
OUT
(mA)
2
5
10
15
20
*
Terminated into a 50
load.
REFERENCE CURRENT
I
REF
(μA)
62.5
156.25
312.5
468.75
625
CALCULATED
19.2
7.68
3.84
2.56
1.92
1% EIA STD
19.1
7.5
3.83
2.55
1.91
OUTPUT VOLTAGE
V
IOUTP/N
* (mV
P-P
)
100
250
500
750
1000
Table 1. I
OUT
and R
SET
Selection Matrix Based on a Typical 1.200V Reference Voltage
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