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ADC0820 View Datasheet(PDF) - Philips Electronics

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Description
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ADC0820 Datasheet PDF : 14 Pages
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Philips Semiconductors Linear Products
8-Bit, high-speed, µP-compatible A/D converter with
track/hold function
Product specification
ADC0820
DC ELECTRICAL CHARACTERISTICS
RD mode (Pin 7=0), VDD=5V, VREF(+)=5V, and VREF(-)=GND, unless otherwise specified. Limits apply from TMIN to TMAX.
SYMBOL
PARAMETER
TEST CONDITIONS
LIMITS
Min
Typ3
Max
Resolution
Unadjusted error1
ADC0820C
8
8
8
±1
RREF
VREF(+)
VREF(-)
VIN
Reference resistance
Input voltage5
Input voltage
Input voltage5
Maximum analog input leakage current
Power supply sensitivity
CS=VDD
VIN=VDD
VIN=GND
VDD=5V±5%
1
1.6
4
VREF(-)
GND
GND-0.1
VDD
VREF(+)
VDD+0.1
-3
3
±1/16
±1/4
VIN(1)
Logical “1” input voltage
CS, WR, RD
2.0
VDD=5.25V
Mode
3.5
VDD
VDD
VIN(0)
Logical “0” input voltage
CS, WR, RD
GND
0.8
VDD=4.75V
Mode
GND
1.5
IIN(1)
IIN(0)
Logical “1” input current
Logical “0” input current
VOUT(1) Logical “1” output voltage
VIN(1)=5V; CS, RD
VIN(1)=5V; WR
VIN(1)=5V; Mode
VIN(0)=0V; CS, RD, WR, Mode
VDD=4.75V, IOUT=-360µA;
DB0-DB7, OFL, INT
VDD=4.75V, IOUT=-10µA
DB0-DB7, OFL, INT
1
3
30
200
-1
2.4
4.6
4.5
4.74
VOUT(0) Logical “0” output voltage
VDD=4.75V, IOUT=1.6mA;
DB0-DB7, OFL, INT, RDY
0.2
0.4
IOZ
3-state output current
ISOURCE Output source current
VOUT=5V; DB0-DB7, RDY
VOUT=0V; DB0-DB7, RDY
VOUT=0V, DB0-DB7, OFL
INT
3
-3
6
12
4.5
8
ISINK
IDD
VDD
Output sink current
Supply current
Range
VOUT=5V; DB0-DB7, OFL, INT, RDY
7
CS=WR=RD=0
20
6
15
4.5
5.5
UNIT
bits
LSB
k
V
V
V
µA
LSB
V
V
µA
µA
V
V
µA
mA
mA
mA
V
August 31, 1994
571
 

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