參數(shù)資料
型號: ADUC834
廠商: Analog Devices, Inc.
英文描述: MicroConverter, Dual 16-/24- Bit ADCs with Embedded 62KB FLASH MCU
中文描述: MicroConverter的,雙與嵌入62KB閃存MCU 16-/24-位ADC
文件頁數(shù): 5/72頁
文件大?。?/td> 1451K
代理商: ADUC834
REV.
P
rC (12 March 2002)
–5–
ADuC834
PRELIMINARY TECHNICAL DATA
Parameter
ADuC834BS
T est Conditions/Comments
Unit
T RANSDUCER BURNOUT CURRENT SOURCES
AIN+ Current
–100
AIN+ is the Selected Positive Input to
the Primary ADC
AIN– is the Selected Negative Input to
the Auxiliary ADC
nA typ
AIN– Current
+100
nA typ
Initial T olerance @ 25°C
Drift
±10
0.03
% typ
%/°C typ
EX CIT AT ION CURRENT SOURCES
Output Current
Initial T olerance @ 25°C
Drift
Initial Current Matching @ 25°C
Drift Matching
Line Regulation (AV
DD
)
Load Regulation
Output Compliance
–200
±10
200
±1
20
1
0.1
AV
DD
– 0.6
AGND
Available from Each Current Source
μA typ
% typ
ppm/°C typ
Matching Between Both Current Sources % typ
ppm/°C typ
μA/V typ
μA/V typ
V max
Min
AV
DD
= 5 V + 5%
LOGIC INPUT S
All Inputs Except SCLOCK , RESET ,
and X T AL1
V
INL
, Input Low Voltage
0.8
0.4
2.0
DV
DD
= 5 V
DV
DD
= 3 V
V max
V max
V min
V
INH
, Input High Voltage
SCLOCK and RESET Only
(Schmitt-T riggered Inputs)
2
V
T +
1.3/3
0.95/2.5
0.8/1.4
0.4/1.1
0.3/0.85
0.3/0.85
DV
DD
= 5 V
DV
DD
= 3 V
DV
DD
= 5 V
DV
DD
= 3 V
DV
DD
= 5 V
DV
DD
= 3 V
V min/V max
V min/V max
V min/V max
V min/V max
V min/V max
V min/V max
V
T –
V
T +
– V
T –
Input Currents
Port 0, P1.2–P1.7,
EA
SCLOCK , MOSI, MISO,
SS
12
±10
–10 min, –40 max
±10
±10
35 min, 105 max
V
IN
= 0 V or V
DD
V
IN
= 0 V, DV
DD
= 5 V, Internal Pull-Up μA min/μA max
V
IN
= V
DD
, DV
DD
= 5 V
V
IN
= 0 V, DV
DD
= 5 V
V
IN
= V
DD
, DV
DD
= 5 V,
Internal Pull-Down
V
IN
= V
DD
, DV
DD
= 5 V
V
IN
= 2 V, DV
DD
= 5 V
μA max
μA max
μA max
μA min/μA max
RESET
P1.0, P1.1, Ports 2 and 3
±10
–180
–660
–20
–75
5
μA max
μA min
μA max
μA min
μA max
pF typ
V
IN
= 450 mV, DV
DD
= 5 V
Input Capacitance
All Digital Inputs
CRYST AL OSCILLAT OR (X T AL1 AND X T AL2)
Logic Inputs, X T AL1 Only
V
INL
, Input Low Voltage
0.8
0.4
3.5
2.5
18
18
DV
DD
= 5 V
DV
DD
= 3 V
DV
DD
= 5 V
DV
DD
= 3 V
V max
V max
V min
V min
pF typ
pF typ
V
INH
, Input High Voltage
X T AL1 Input Capacitance
X T AL2 Output Capacitance
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