參數(shù)資料
型號(hào): ADC0831A
廠商: Texas Instruments, Inc.
英文描述: A/D Peripherals with Serial Control
中文描述: 具有串行控制的 A/D 外設(shè)
文件頁(yè)數(shù): 4/9頁(yè)
文件大小: 151K
代理商: ADC0831A
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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