參數(shù)資料
型號(hào)： ADC0832CIWM
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： ADC
英文描述： 8-Bit Serial I/O A/D Converters with Multiplexer Options
中文描述： 2-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO14
封裝： SOIC-14
文件頁數(shù)： 4/9頁
文件大?。?/td> 151K
代理商： ADC0832CIWM
ADC0831A, ADC0832A, ADC0831B, ADC0832B
A/D PERIPHERALS WITH SERIAL CONTROL
SLAS006 – AUGUST 1985 – REVISED JUNE 1986
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
absolute maximum ratings over recommended operating free-air temperature range (unless
otherwise noted)
Supply voltage, VCC (see Note 1)
6.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range: Logic
– 0.3 V to 15 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Analog
– 0.3 V to VCC + 0.3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input current
±5 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Total input current for package
±20 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range: C-suffix
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I-suffix
– 40
°C to 85°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range
– 65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
260
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NOTE 1: All voltage values, except differential voltages, are with respect to the network ground terminal.
recommended operating conditions
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
6.3
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.8
V
fclock
Clock frequency
10
400
kHz
Clock duty cycle (see Note 2)
40
60
%
twH(C
S)
Pulse duration, CS high
220
ns
tsu
Setup time, CS low or ADC0832 data valid before CLK
↑
350
ns
th
Hold time, ADC0832 data valid after CLK
↑
90
ns
TA
Operating free air temperature
C-suffix
0
70
°C
TA
Operating free-air temperature
I-suffix
–40
85
°C
NOTE 2: The clock duty cycle range ensures proper operation at all clock frequencies. If a clock frequency is used outside the recommended
duty cycle range, the minimum pulse duration (high or low) is 1
s.
electrical characteristics over recommended range of operating free-air temperature, VCC = 5 V,
fclock = 250 kHz (unless otherwise noted)
digital section
PARAMETER
TEST CONDITIONS
{
C SUFFIX
I SUFFIX
UNIT
PARAMETER
TEST CONDITIONS
{
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
VOH
High level output voltage
VCC = 4.75 V, IOH = – 360 A
2.8
2.4
V
VOH
High-level output voltage
VCC = 4.75 V, IOH = – 10 A
4.6
4.5
V
VOL
Low-levl output voltage
VCC = 4.75 V, IOL = 1.6 mA
0.34
0.4
V
IIH
High-level input current
VIH = 5 V
0.005
1
0.005
1
A
IIL
Low-level input current
VIL = 0
– 0.005
–1
– 0.005
–1
A
IOH
High-level output (source) current
VOH = VO,
TA = 25°C
– 6.5
–14
– 6.5
–14
mA
IOL
Low-level output (sink) current
VOL = VCC,
TA = 25°C
8
16
8
16
mA
IOZ
High-impedance-state output
VO = 5 V,
TA = 25°C
0.01
3
0.01
3
A
IOZ
g
current (DO)
VO = 0,
TA = 25°C
– 0.01
–3
– 0.01
–3
A
Ci
Input capacitance
5
pF
Co
Output capacitance
5
pF
All parameters are measured under open-loop conditions with zero common-mode input voltage.
All typical values are at VCC = 5 V, TA = 25°C.
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