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Ordering number: EN3086B
CMOS LSI
LC89066, 89066M 6-Bit Video A/D Converters
Overview
The LC89066 and LC89066M are high-speed analog-to-digital converters. They are of flash type, operate from single 5V supply, and feature a 15 Mega-samples per second conversion rate and low power dissipation.
Package Dimensions
unit : mm
3006B-DIP16
[LC89066]
Features
. Conversion rate: 15 MSPS . Low power dissipation: 120 mW . Linearity error within 0.8 LSB (max) . TTL-compatible inputs . LC89066: DIP-16
LC89066M: MFP-20 SANYO : DIP16 unit : mm
3036B-MFP20
[LC89066M]
SANYO : MFP20
Specifications
Absolute Maximum Ratings at Ta = 25 C, VSS = 0 V
Parameter Maximum supply voltage Input voltage Operating temperature Storage temperature Symbol VDD max VIN Topr Tstg LC89066 LC89066M Conditions Ratings -0.3 to +7.0 -0.3 to VDD +0.3 -30 to +75 -30 to +65 -40 to +125 Unit V V C C C
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13097HA(II)/8099TA,TS(US) No.3086-1/4
LC89066, 89066M
Recommended Operating Conditions
Parameter Supply voltage Reference voltage (high) Reference voltage (low) Input high-level voltage Input low-level voltage Analog input voltage Clock high period Clock low period Symbol VDD VRH VRL VIH VIL VANI TWH TWL Conditions min 4.75 0 2.2 -0.3 VRL 30 30 typ 5.0 max 5.25 VDD VDD +0.3 +0.8 VRH Unit V V V V V V ns ns
Electrical Characteristics at Ta = 25 C, VDD = 5.0 V, VRH = 5.0 V, VRL = 3.0 V
Parameter Resolution Maximum sampling frequency Power dissipation Linearity error Differential linearity error String resistance Analog input capacitance Analog input resistance Output delay time Symbol RES Fs max Pd I.L. D.L. Rst CAIN RAIN TdL Conditions min 15 Fs = 15 MSPS DC accuracy DC accuracy 400 10 20 45 120 200 0.8 0.5 800 typ max 6 Unit bit MSPS mW LSB LSB pF M ns
600 50
Equivalent Circuit Block Diagram
Timing Chart
Analog input
Clock input
Digital signal output
No.3086-2/4
LC89066, 89066M
Pin Functions
. LC89066
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Symbol D6 D5 D4 D3 D2 D1 CLK GND VDD VDD VRH ANI VRL VDD VDD GND Description Digital output data (least significant bit)
Digital output data
Digital output data (most significant bit) Clock input Ground (analog) Power supply (analog) Reference voltage input (high) Analog voltage input Reference voltage input (low) Power supply (digital) Ground (digital)
. LC89066M
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Symbol D6 D5 N.C. D4 D3 D2 D1 N.C. CLK GND VDD VDD N.C. VRH ANI VRL VDD N.C. VDD GND Description Digital output data (least significant bit) Digital output data No connection Digital output data Digital output data (most significant bit) No connection Clock input Ground (analog) Power supply (analog) No connection Reference voltage input (high) Analog voltage input Reference voltage input (low) Power supply (digital) No connection Power supply (digital) Ground (digital)
Functional Description
Signal on the analog signal input pin ANI is input into the comparators on the rising edge of the CLK input signal. This signal is compared with the voltage divided by resistors and digitized. This digitized signal is coded by the encoder logic and output on the next rising edge of the CLK input signal. The conversion range depends on the converter high and low reference voltage VRH and VRL. When zero transient voltage is set to 3.000 V by VRL voltage and full scale transient voltage to 4.984 V by VRH voltage, the output data is linearly related to the input voltage as shown in the table below.
Input voltage (V) to 3.000 3.000 to 3.032 3.032 to 3.064 3.064 to 3.096. . . . . 4.920 to 4.952 4.952 to 4.984 4.984 to Output data 000000 000001 000010 000011 . . . . 111101 111110 111111
0 1 2 3 . . . . 61 62 63
No.3086-3/4
LC89066, 89066M
Sample Application Circuits
The following diagrams show typical application circuits for the LC89066 and LC89066M. The high reference voltage is connected to the positive supply line, and the low reference voltage generated by a voltage divider and emitter follower. The analog signal is input with a low impedance. Power supply
Digital signal output Analog input
Oscillator Power supply
Digital signal output
Analog input
Oscillator
No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or indirectly cause injury, death or property loss. Anyone purchasing any products described or contained herein for an above-mentioned use shall: 1 Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and expenses associated with such use: 2 Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of January, 1997. Specifications and information herein are subject to change without notice.
No.3086-4/4

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