ADC0804LCN View Datasheet(PDF) - Renesas Electronics

Part Name

Description

View to exact match

ADC0804LCN

8-Bit, Microprocessor-Compatible, A/D Converters

Renesas Electronics 

ADC0803, ADC0804

Absolute Maximum Ratings

Supply Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5V

Voltage at Any Input. . . . . . . . . . . . . . . . . . . . . . -0.3V to (V+ +0.3V)

Operating Conditions

Temperature Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . 0oC to 70oC

Thermal Information

Thermal Resistance (Typical, Note 1)

JA (oC/W)

PDIP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

80

Maximum Junction Temperature

Plastic Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150oC

Maximum Storage Temperature Range . . . . . . . . . -65oC to 150oC

Maximum Lead Temperature (Soldering, 10s) . . . . . . . . . . . .300oC

CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the

device at these or any other conditions above those indicated in the operational sections of this specification is not implied.

NOTE:

1. JA is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief TB379 for details.

Electrical Specifications (Notes 2, 8)

PARAMETER

TEST CONDITIONS

MIN

CONVERTER SPECIFICATIONS V+ = 5V, TA = 25oC and fCLK = 640kHz, Unless Otherwise Specified

Total Unadjusted Error

ADC0803

VREF/2 Adjusted for Correct Full Scale Reading

-

ADC0804

VREF/2 = 2.500V

-

VREF/2 Input Resistance

Input Resistance at Pin 9

1.0

Analog Input Voltage Range

(Note 3)

GND-0.05

DC Common-Mode Rejection

Over Analog Input Voltage Range

-

Power Supply Sensitivity

V+ = 5V 10% Over Allowed Input Voltage

-

Range

CONVERTER SPECIFICATIONS V+ = 5V, 0oC to 70oC and fCLK = 640kHz, Unless Otherwise Specified

Total Unadjusted Error

ADC0803

VREF/2 Adjusted for Correct Full Scale Reading

-

ADC0804

VREF/2 = 2.500V

-

VREF/2 Input Resistance

Input Resistance at Pin 9

1.0

Analog Input Voltage Range

(Note 3)

GND-0.05

DC Common-Mode Rejection

Over Analog Input Voltage Range

-

Power Supply Sensitivity

V+ = 5V 10% Over Allowed Input Voltage

-

Range

AC TIMING SPECIFICATIONS V+ = 5V, and TA 25oC, Unless Otherwise Specified

Clock Frequency, fCLK

V+ = 6V (Note 4)

100

V+ = 5V

100

Clock Periods per Conversion (Note 5),

62

tCONV

Conversion Rate In Free-Running Mode, CR INTR tied to WR with CS = 0V, fCLK = 640kHz

-

Width of WR Input (Start Pulse Width),

CS = 0V (Note 6)

100

tW(WR)I

Access Time (Delay from Falling Edge of CL = 100pF (Use Bus Driver IC for Larger CL)

-

RD to Output Data Valid), tACC

Three-State Control (Delay from Rising CL = 10pF, RL= 10K

-

Edge of RD to Hl-Z State), t1H, t0H

(See Three-State Test Circuits)

Delay from Falling Edge of WR to Reset of

-

INTR, tWI, tRI

Input Capacitance of Logic Control Inputs,

-

CIN

Three-State Output Capacitance (Data

-

Buffers), COUT

TYP

-

-

1.3

-

1/16

1/16

-

-

1.3

-

1/8

1/16

640

640

-

-

-

135

125

300

5

5

MAX

UNITS

1/2

LSB

1

LSB

-

k

(V+) + 0.05

V

1/8

LSB

1/8

LSB

1/2

LSB

1

LSB

-

k

(V+) + 0.05

V

1/4

LSB

1/8

LSB

1280

800

73

kHz

kHz

Clocks/Conv

8888

-

Conv/s

ns

200

ns

250

ns

450

ns

-

pF

-

pF

FN3094 Rev 4.00

August 2002

Page 3 of 17

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