7672 데이터 시트보기 (PDF) - MAXWELL TECHNOLOGIES
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7672 Datasheet PDF : 11 Pages
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12-Bit A/D Converter
7672
TABLE 3. 7672 RECOMMENDED OPERATING CONDITIONS
PARAMETER
SUBGROUPS SYMBOL
MIN
MAX
UNITS
Positive Supply Voltage
Negative Supply Voltage
VREF Input Range
Power Dissipation VDD = 5V, VSS = -12V
1
VDD
4.75
5.25
V
1
VSS
-13.2
-10.8
V
1
VREF
-5.05
-4.95
V
1
PD
--
179
mW
PARAMETER
TABLE 4. 7672 DC ELECTRICAL CHARACTERISTICS
(VDD = 5V ±5%, VSS = -12V ±10%, VREF = -5V, TA = -55 TO 125 °C UNLESS OTHERWISE SPECIFIED)
SYMBOL TEST CONDITION
SUBGROUPS MIN
MAX
UNITS
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
Input Leakage Current
Output Leakage Current
Input Capacitance 1
Floating State Output Capacitance2
Power Supply Current
Power Supply Rejection, VDD
Power Supply Rejection, VSS
Analog Input Current (AIN1 or AIN2)
VIL
VIH
VOL
ISINK = 1.6 mA
VOH
ISOURCE = -200 µA
IIN
(CS,RD) VIN = VDD or GND
(CLKIN) VIN = VDD or GND
ILKG
(D0-D11) VOUT = VDD or GND
CIN
COUT
IDD
ISS
PSRR (VDD) VDD = 4.75 to 5.25 volts
VSS = -12V
PSRR (VSS) VSS = -10.8 to -13.2 volts
VDD = 5V
IAIN
Unipolar Range: 0 to 5 V, 10V
Bipolar Range: ±5V
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
--
0.8
V
2.4
--
V
--
0.4
V
4.0
--
V
--
±10 µA
--
±20
--
±10 µA
--
10
pF
--
15
pF
--
7
mA
--
-12
--
±1 LSB
--
±1 LSB
-- ±3.5 mA
-- ±1.75
VREF Input Range 1
VREF Input Current
Resolution
Integral Nonlinearity
Differential Nonlinearity
Unipolar Offset Error
Unipolar Gain Error
VREF
IREF
RES TA = -55 to +125°C
INL
TA = +25 °C
TA = -55 to +125°C
DNL 12 bits, no missing codes
TA = -55 to +125°C
UOE TA = +25°C
TA = -55 to +125°C
UGE TA = +25 °C
TA = -55 to +125°C
1, 2, 3
1, 2, 3
1, 2, 3
1
2, 3
1, 2, 3
-5.05 -4.95 V
--
±3 µA
12
--
bits
--
±1 LSB
--
±1
-- ±0.9 LSB
1
--
±5 LSB
2, 3
--
±6
1
--
±5 LSB
2, 3
--
±7
08.09.02 REV 13
All data sheets are subject to change without notice 3
©2002 Maxwell Technologies
All rights reserved.
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