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PDF AK5483 Data sheet ( Hoja de datos )

Número de pieza AK5483
Descripción 10Bit 20MHz 3CH A/D Converter
Fabricantes AKM 
Logotipo AKM Logotipo



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No Preview Available ! AK5483 Hoja de datos, Descripción, Manual

ASAHI KASEI
[AK5483]
AK5483
10Bit 20MHz 3CH A/D Converter
Outline
AK5483 is a Cmos, 20MSPS(MAX) 10bit,Analog to Digital(A/D) Converter.
Three Channels of high Performance ADCs are integrated into a tiny package.
Employing Full-Pipeline A/D Conversion Architecture, AK5483 Converts Single End 1Vpp
Analog Input into 10bit Straight Binary Format Digital Data.
The analog Input Range is determined by external reference input pins[VTP,VBT]. The
range is common for the three channels.
Features
* CMOS 3Channel
A/D Converter
* Sampling Rate
: 20 MSPS
* Number of Channels
: 3Channels(Simultaneous Sampling)
* Single Low Supply Voltage
: 3.0V.... +3.6V
* Analog Input Range,Vref Range
: Adaptive to Power Supply Voltage
Single End Analog Input
: 1 Vp-p [VBOT=1.3V VTOP=2.3V] (@VDD=3.0V)
* Digital Output Format
: Straight Binary (BOTTOM=000H , TOP=3FFH)
3CH * 10BIT (All data in Parallel)
* Stand-by mode
* Low Power Consumption
: 135 mW(15MHz mode @3V)
165 mW(20MHz mode @3V)
* High Isolation between Channels : 55dB
* Linearity
: Differential(DNL) +-0.6 LSB(TYP.)
: Integral (INL) +-1.5 LSB(TYP.)
* Small Package
: 48pin LQFP-0707
AVDD
AINA
AINB
AINC
VTP
VREFP
VCOM
VREFN
VBT
VREF
GEN
AVSS
PIPELINE ADC
PIPELINE ADC
PIPELINE ADC
DIGITAL
CORRECTION
DIGITAL
CORRECTION
DIGITAL
CORRECTION
SEL
CLOCK &
CONTROL
DVDD
DA9
DOUTA
DA0
DB9
DOUTB
DB0
DC9
DOUTC
DC0
DVSS
CKI
CEN
M0035-E-01
-1-
1999/03

1 page




AK5483 pdf
ASAHI KASEI
[AK5483]
ABSOLUTE MAXIMUM RATINGS
AVSS,DVSS=0V,All voltages are with respect to GND
Parameter
Power Supply Voltage
Voltage Difference
Symbol Conditions
AVDD
DVDD
Vdlt
(# 1)
DVDD
- AVDD
Ratings
-0.3 ..... 6.0
-0.3 ..... 6.0
or (AVDD+0.3)
0.3
Units
V
V
V
V
Input Current
IIN Except
Power Pins
+-10
mA
Analog Input
Voltage Range
VINA
AVSS - 0.3
..... AVDD + 0.3
V
Digital Input Voltage
[Input Pins]
VINL
AVSS - 0.3
..... AVDD + 0.3
V
Digital Input Voltage
[Output Pins]
VONL
(#2)
AVSS - 0.3
.... AVDD + 0.3
V
Ambient Temperature
Storage Temperature
TA
Tstg
-20 ..... +85
-40 .....+125
deg
deg
(# 1) The higher voltage of 6.0V and AVDD + 0.3V specifies Max. value
of DVDD absolute maximum rating.
(# 2) The VONL limits the excess voltage applied to digital output pins.
WARNING Operation at or beyond these limits may result in permanent damage
to the device. Normal Operating Specifications are not guaranteed at
these extremes.
M0035-E-01
-5-
1999/03

5 Page





AK5483 arduino
ASAHI KASEI
Control Logic
Digital Output
The following chart describes relation between analog input and the digital Output
[AK5483]
Analog Input
MSB
Digital Output Code
LSB
VTP
:
:
:
:
VBT
1111111111
:
1000000000
0111111111
:
0000000000
(note VTP,VBT are com mon for all three channels
Input Range of VINA,B,C is determ ined by VTP,VBT )
T he output code by CEN[Power Down] is as fol lows
CEN
LO
HI
D0 D1 D2 D3 D4 D5 D6 D7 D8 D9
PPPPPPPPPP
ZZZZZZZZZZ
NOTE: P: Normal Output code
Z: High Im pedance
Frequency mode Select by SEL
SEL
LO
HI
m od e
15MHz m ode
20MHz m ode
Fcm ax
15M Hz
20M Hz
P o we r
Re du ce d
N or m a l
M0035-E-01
- 11 -
1999/03

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