7672(2001) Ver la hoja de datos (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
SYMBOL
MIN
MAX
UNITS
Positive Supply Voltage
Negative Supply Voltage
VREF Input Range
Power Dissipation VDD = 5V, VSS = -12V
VDD
4.75
5.25
V
VSS
-13.2
-10.8
V
VREF
-5.05
-4.95
V
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
MIN
MAX
Input Low Voltage
VIL
--
Input High Voltage
VIH
2.4
Output Low Voltage
VOL
ISINK = 1.6 mA
--
Output High Voltage
VOH
ISOURCE = -200 µA
4.0
Input Leakage Current
IIN
(CS,RD) VIN = VDD or GND
--
(CLKIN) VIN = VDD or GND
--
Output Leakage Current
ILKG
(D0-D11) VOUT = VDD or GND
--
Input Capacitance 1
CIN
--
Floating State Output Capacitance2
COUT
--
Power Supply Current
IDD
--
ISS
--
Power Supply Rejection, VDD
PSRR (VDD) VDD = 4.75 to 5.25 volts
--
VSS = -12V
Power Supply Rejection, VSS
PSRR (VSS) VSS = -10.8 to -13.2 volts
--
VDD = 5V
Analog Input Current (AIN1 or AIN2)
IAIN
Unipolar Range: 0 to 5 V, 10V
--
Bipolar Range: ±5V
--
0.8
--
0.4
--
±10
±20
±10
10
15
7
-12
±1
±1
±3.5
±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
-5.05
-4.95
--
±3
12
--
--
±1
--
±1
--
±0.9
--
±5
--
±6
--
±5
--
±7
UNITS
V
V
V
V
µA
µA
pF
pF
mA
LSB
LSB
mA
V
µA
bits
LSB
LSB
LSB
LSB
1000565
12.19.01 Rev 11
All data sheets are subject to change without notice 3
©2001 Maxwell Technologies
All rights reserved.
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