AK5483

AK5483 Datasheet

[AK5483]

Part	Datasheet
AK5483	AK5483 (pdf)

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ASAHI KASEI [AK5483] AK5483 10Bit 20MHz 3CH A/D Converter AK5483 is a Cmos, 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. * 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] * 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 165 mW 20MHz mode * High Isolation between Channels 55dB * Linearity Differential DNL LSB TYP. Integral INL 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 * Ordering Guide AK5483 * Pin Assignment -20deg...+85deg 48 Pin LQFP 36 DC8 35 DC7 34 DVDD 33 DVSS 32 DC6 31 DC5 30 DC4 29 DC3 28 DC2 27 DC1 26 DC0 25 AVDD DC9 37 DB0 38 DB1 39 DB2 40 DB3 41 DB4 42 TOP VIEW DB5 43 DB6 44 48LQFP PACKAGE DB7 45 DB8 46 DB9 47 DA9 48 25 24 24 VBT 23 VTP 22 VREFN 21 AINC 20 VCOM 19 AINB 18 VREFP 17 AINA 16 AVSS 15 AVDD 14 CKI 13 CEN 13 12 [AK5483] DA8 1 DA7 2 DVDD 3 DVSS 4 DA6 5 DA5 6 DA4 7 DA3 8 DA2 9 DA1 10 DA0 11 SEL 12 ALL SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE M0035-E-01 1999/03 ASAHI KASEI * Pin Descriptions [48LQFP] PIN Symbol NO. 1 DA8 2 DA7 3 D VDD 4 DVSS 5 DA6 6 DA5 7 DA4 8 DA3 9 DA2 10 DA1 11 DAO 12 SEL 13 CEN 14 CKI 15 AVDD 16 AVSS 17 AINA T ype O P O I Description & F unction CH A OUTPUT D8 CH A OUTPUT D7 Digital Supply 3.3V[TYP.] Digital G round 0V CH A OUTPUT D6 CH A OUTPUT D5 CH A OUTPUT D4 CH A OUTPUT D3 CH A OUTPUT D2 CH A OUTPUT D1 CH A OUTPUT D0 LSB Sampling Frequency SELECT Upper Lim it of Sam pling Clock CKI F requency is determ ined by this pin. Low 15MHz mode High 20MHz m ode Always connect to High or Low. CHIP ENABLE Power Down Control LOW :Normal Operating Mode High Power down & All Di gital Output= High-Z CLO CK Input Pin for Sam pling Clock Analog Supply 3.3V[TYP.] Analog Ground 0V ANALOG INPUT CH A 18 VREFP O 19 AINB I VREF Voltage f or internal circuit Place 0.1uF C eram ic Cap. between AVSS. ANALOG INPUT CH B 20 VCO M O 21 AINC I

PDF Datasheet Preview

ASAHI KASEI
[AK5483]

AK5483
10Bit 20MHz 3CH A/D Converter

AK5483 is a Cmos, 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.
* 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]
* 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
165 mW 20MHz mode
* High Isolation between Channels 55dB
* Linearity

Differential DNL LSB TYP.

Integral INL 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
* Ordering Guide AK5483
* Pin Assignment
-20deg...+85deg
48 Pin LQFP
36 DC8 35 DC7 34 DVDD 33 DVSS 32 DC6 31 DC5 30 DC4 29 DC3 28 DC2 27 DC1 26 DC0 25 AVDD

DC9 37

DB0 38

DB1 39

DB2 40

DB3 41 DB4 42

TOP VIEW

DB5 43

DB6 44 48LQFP PACKAGE

DB7 45

DB8 46

DB9 47

DA9 48
25 24
24 VBT 23 VTP 22 VREFN 21 AINC 20 VCOM 19 AINB 18 VREFP 17 AINA 16 AVSS 15 AVDD 14 CKI 13 CEN
13 12
[AK5483]

DA8 1 DA7 2 DVDD 3 DVSS 4 DA6 5 DA5 6 DA4 7 DA3 8 DA2 9 DA1 10 DA0 11 SEL 12
**ALL SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE**

M0035-E-01
1999/03

ASAHI KASEI
* Pin Descriptions [48LQFP]

PIN Symbol NO.
1 DA8 2 DA7 3 D VDD 4 DVSS 5 DA6 6 DA5 7 DA4 8 DA3 9 DA2 10 DA1 11 DAO 12 SEL
13 CEN
14 CKI
15 AVDD 16 AVSS 17 AINA

T ype

O P O I

Description & F unction

CH A OUTPUT D8 CH A OUTPUT D7 Digital Supply 3.3V[TYP.] Digital G round 0V CH A OUTPUT D6 CH A OUTPUT D5 CH A OUTPUT D4 CH A OUTPUT D3 CH A OUTPUT D2 CH A OUTPUT D1 CH A OUTPUT D0 LSB Sampling Frequency SELECT Upper Lim it of Sam pling Clock CKI F requency is determ ined by this pin.

Low 15MHz mode High 20MHz m ode Always connect to High or Low. CHIP ENABLE Power Down Control

LOW :Normal Operating Mode High Power down & All Di gital Output= High-Z CLO CK Input Pin for Sam pling Clock Analog Supply 3.3V[TYP.] Analog Ground 0V ANALOG INPUT CH A
18 VREFP O 19 AINB I

VREF Voltage f or internal circuit Place 0.1uF C eram ic Cap. between AVSS. ANALOG INPUT CH B
20 VCO M O 21 AINC I

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Datasheet ID: AK5483 515908