參數(shù)資料
型號: ADC081500EVAL
廠商: National Semiconductor Corporation
英文描述: High Performance, Low Power, 8-Bit, 1.5 GSPS A/D Converter
中文描述: 高性能,低功耗,8位,1.5 GSPS的A / D轉(zhuǎn)換
文件頁數(shù): 4/28頁
文件大?。?/td> 830K
代理商: ADC081500EVAL
Pin Descriptions and Equivalent Circuits
(Continued)
Pin Functions
Pin No.
Symbol
Equivalent Circuit
Description
11
10
V
IN
+
V
IN
Analog signal inputs to the ADC. The differential full-scale
input range is 650 mV
P-P
when the FSR pin is low, or 870
mV
P-P
when the FSR pin is high.
7
V
CMO
Common Mode Voltage. The voltage output at this pin is
required to be the common mode input voltage at V
IN
+ and
V
IN
when d.c. coupling is used. This pin should be grounded
when a.c. coupling is used at the analog inputs. This pin is
capable of sourcing or sinking 100μA. See Section 2.2.
Bandgap output voltage capable of 100 μA source/sink.
Calibration Running indication. This pin is at a logic high when
calibration is running.
31
V
BG
126
CalRun
32
R
EXT
External bias resistor connection. Nominal value is 3.3k-Ohms
(
±
0.1%) to ground. See Section 1.1.1.
34
35
Tdiode_P
Tdiode_N
Temperature Diode Positive (Anode) and Negative (Cathode)
for die temperature measurements. See Section 2.6.2.
83
84
85
86
89
90
91
92
93
94
95
96
100
101
102
103
D7
D7+
D6
D6+
D5
D5+
D4
D4+
D3
D3+
D2
D2+
D1
D1+
D0
D0+
The LVDS Data Outputs that are not delayed in the output
demultiplexer. Compared with the Dd outputs, these outputs
represent the later time samples. These outputs should
always be terminated with a 100
differential resistor.
A
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