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CLC5958PCASM Datenblatt(PDF) 6 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Teilenummer CLC5958PCASM
Bauteilbeschribung  14-bit, 52MSPS A/D Converter
PDF  13 Pages
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Hersteller  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

CLC5958PCASM Datenblatt(HTML) 6 Page - National Semiconductor (TI)

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CLC5958 Pin Definitions
AIN, AIN
(Pins 13, 14) Differential inputs. Self biased at a common
mode voltage of +3.25V. The ADC full scale input is
2.048Vpp differential.
ENCODE,
(Pins 9, 10) Differential clock inputs. ENCODE initiates a
ENCODE
new data conversion cycle on each rising edge. Clock
signals may be sinusoidal or square waves with PECL
encode levels. The falling edge of ENCODE clocks
internal pipeline stages.
D0-D13
(Pins 28 - 34, 39 - 45) Digital data outputs. CMOS
and TTL compatible. D0 is the LSB and D13 is the inverted
MSB. Output coding is two’s complement.
DAV
(Pin 27) Data valid. The rising edge of this signal occurs
when output data is valid and may be used to latch data
into following circuitry.
VCM
(Pin 21) Internal analog input common mode voltage
reference. Nominally +3.25V. Can be used to establish the
analog input common mode voltage for DC coupled
applications (DC coupling not recommended, see
applications section).
GND
(Pins 1 - 4, 8, 11, 12, 15, 19, 20, 23 - 26, 35, 36, 47, 48,
and vias) circuit ground.
VCC
(Pins 5 - 7, 16 - 18, 22, 46) +5V power supply. Bypass
each group of supply pins to ground with a 0.01
µF
capacitor.
DVCC
(Pins 37, 38) +3.3V to +5V power supply for the digital
outputs. Establishes the high output level for the digital
outputs. Bypass to ground with a 0.1
µF capacitor.
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
CLC5958
GND
GND
VCC
(MSB) D13
D12
D11
D10
D9
D8
D7
DVCC
DVCC
GND
GND
D6
D5
D4
D3
D2
D1
(LSB) DO
DAV
GND
GND
1
GND
2
GND
3
GND
4
GND
5VCC
6VCC
7VCC
8
GND
9
ENCODE
10 ENCODE
11 GND
12 GND
13 AIN
14 AIN
15 GND
16 VCC
17 VCC
18 VCC
19 GND
20 GND
21 VCM
22 VCC
23 GND
24 GND
vias
CLC5958 Block Diagram
4-bit
Flash
4-bit
DAC
T&H
10-bit
Fine
ADC
Summing
Network
Over-range Correction Logic & Output Buffers
AIN
ENCODE
Residue
Amp



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