參數(shù)資料
型號(hào)： ADC0803LD
廠(chǎng)商： HARRIS SEMICONDUCTOR
元件分類(lèi)： ADC
英文描述： 8-Bit, Microprocessor- Compatible, A/D Converters
中文描述： 1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, CDIP20
文件頁(yè)數(shù)： 4/18頁(yè)
文件大?。?/td> 150K
代理商： ADC0803LD
Philips Semiconductors
Product data
ADC0803/0804
CMOS 8-bit A/D converters
2002 Oct 17
4
DC ELECTRICAL CHARACTERISTICS
V
CC
= 5.0 V, f
CLK
= 1 MHz, T
min
≤
T
amb
≤
T
max
, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
LIMITS
UNIT
Min
Typ
Max
ADC0803 relative accuracy error (adjusted)
Full-Scale adjusted
0.50
LSB
ADC0804 relative accuracy error (unadjusted)
V
REF
/2 input resistance
3
Analog input voltage range
3
V
REF
/2 = 2.500 V
DC
V
CC
= 0 V
2
1
LSB
R
IN
400
680
–0.05
V
CC
+0.05
1/8
V
DC common-mode error
Over analog input voltage range
V
CC
= 5V
±
10%
1
1/16
LSB
Power supply sensitivity
1/16
LSB
Control inputs
V
IH
V
IL
I
IH
I
IL
Clock in and clock R
Logical “1” input voltage
V
CC
= 5.25 V
DC
V
CC
= 4.75 V
DC
V
IN
= 5 V
DC
V
IN
= 0 V
DC
2.0
15
V
DC
V
DC
μ
A
DC
μ
A
DC
Logical “0” input voltage
0.8
Logical “1” input current
0.005
1
Logical “0” input current
–1
–0.005
V
T
+
V
T
–
V
H
V
OL
V
OH
Data output and INTR
Clock in positive-going threshold voltage
2.7
3.1
3.5
V
DC
V
DC
V
DC
V
DC
V
DC
Clock in negative-going threshold voltage
1.5
1.8
2.1
Clock in hysteresis (V
T
+)–(V
T
–)
Logical “0” clock R output voltage
0.6
1.3
2.0
I
OL
= 360
μ
A, V
CC
= 4.75 V
DC
I
OH
= –360
μ
A, V
CC
= 4.75 V
DC
0.4
Logical “1” clock R output voltage
2.4
V
OL
Logical “0” output voltage
Data outputs
I
OL
= 1.6 mA, V
CC
= 4.75 V
DC
I
OL
= 1.0 mA, V
CC
= 4.75 V
DC
I
OH
= –360
μ
A, V
CC
= 4.75 V
DC
I
OH
= –10
μ
A, V
CC
= 4.75 V
DC
V
OUT
= 0 V
DC
, CS = logical “1”
V
OUT
= 5 V
DC
, CS = logical “1”
V
OUT
= 0 V, T
amb
= 25
°
C
V
OUT
= V
CC
, T
amb
= 25
°
C
f
CLK
= 1 MHz, V
REF
/2 = OPEN,
CS = Logical “1”, T
amb
= 25
°
C
0.4
V
DC
V
DC
INTR outputs
0.4
V
OH
Logical “1” output voltage
2.4
V
DC
4.5
I
OZL
I
OZH
I
SC
I
SC
3-State output leakage
–3
μ
A
DC
μ
A
DC
mA
DC
mA
DC
3-State output leakage
3
+Output short-circuit current
4.5
12
–Output short-circuit current
9.0
30
I
CC
Power supply current
3.0
3.5
mA
NOTES:
1. Analog inputs must remain within the range: –0.05
≤
V
≤
V
+ 0.05 V.
2. See typical performance characteristics for input resistance at V
CC
= 5 V.
3. V
REF
/2 and V
IN
must be applied after the V
CC
has been turned on to prevent the possibility of latching.
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