參數(shù)資料
型號(hào): AS1523-T
廠商: AUSTRIAMICROSYSTEMS AG
元件分類(lèi): ADC
英文描述: 10-Bit, 4-Ch, 300ksps, ADC; Package Type: TSSOP-16
封裝: TSSOP-16
文件頁(yè)數(shù): 8/28頁(yè)
文件大?。?/td> 893K
代理商: AS1523-T
www.austriamicrosystems.com
Revision 1.00
8 - 28
AS1522/AS1523
Data Sheet
- Electrical Characteristics
T
CVREF
REF Output
Temperature Coefficient
±25
ppm/
°C
mV/
mA
μF
Load Regulation
7
0 to 0.75mA output load
0.6
2.0
C
BYPREF
C
BYPREF
ADJ
Capacitive Bypass at REF
Capacitive Bypass
at REFADJ
REFADJ Output Voltage
REFADJ Input Range
REFADJ Buffer
Disable Threshold
Buffer Voltage Gain
External Reference
: Reference buffer disabled, reference applied to REF
4.7
10
0.01
10
μF
1.22
±100
V
mV
For small adjustments, from 1.22V
To power down the internal reference
1.4
V
DD1
- 1
V
2.045
V/V
REF Input Voltage Range
8
1.0
V
DD1
+
50mV
350
320
5
V
REF Input Current
V
REF
= 2.50V, f
SCLK
= 4.8MHz
V
REF
= 2.50V, f
SCLK
= 0
In power-down, f
SCLK
= 0
200
μA
Digital Inputs
: DIN, SCLK, CSN
V
INH
Input High Voltage
0.7 x
V
DD
V
V
INL
Input Low Voltage
0.3 x
V
DD
V
V
HYST
I
IN
C
IN
Digital Outputs
: DOUT, SSTRB
V
OL
Output Voltage Low
Input Hysteresis
Input Leakage
Input Capacitance
0.8
V
μA
pF
V
IN
= 0 or V
DD2
-1
+1
5
I
SINK
= 5mA
0.45
V
V
OH
Output Voltage High
I
SOURCE
= 0.5mA
V
DD2
-
0.5V
-10
V
I
L
Tri-State Leakage Current
Tri-State Output
Capacitance
Power Supply
V
DD1
,
V
DD2
,
V
DD3
CSN = V
DD2
+10
μA
C
OUT
CSN = V
DD2
5
pF
Positive Supply Voltage
9
2.7
3.6
V
I
VDD1
,
I
VDD2
,
I
VDD3
Supply Current
V
DD1
= V
DD2
=
V
DD3
= 5.5V
Normal Operation
with External
Reference
10
Normal Operation
with Internal
Reference
10
Reduced-Power
Mode
11
Full Power-Down
Mode
11
V
DD1
= V
DD2
= V
DD3
= 2.7 to 3.6V,
Mid-Scale Input
2.2
2.7
2.7
3.2
mA
0.4
0.8
0.5
2
μA
PSR
Power-Supply Rejection
-2
±0.1
+2
mV
Table 4. AS1523 Electrical Characteristics (Continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
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