MAX197ACAI 데이터 시트보기 (PDF) - Maxim Integrated
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MAX197ACAI
Maxim Integrated
MAX197ACAI Datasheet PDF : 16 Pages
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Multi-Range (±10V, ±5V, +10V, +5V),
Single +5V, 12-Bit DAS with 8+4 Bus Interface
ELECTRICAL CHARACTERISTICS (continued)
(VDD = 5V ±5%; unipolar/bipolar range; external reference mode, VREF = 4.096V; 4.7µF at REF pin; external clock, fCLK = 2.0MHz
with 50% duty cycle; TA = TMIN to TMAX, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
POWER REQUIREMENTS
Supply Voltage
Supply Current
Power-Supply Rejection Ratio
(Note 8)
TIMING
VDD
IDD
PSRR
Normal mode, bipolar ranges
Normal mode, unipolar ranges
Standby power-down (STBYPD)
Full power-down mode (FULLPD) (Note 7)
External reference = 4.096V
Internal reference
4.75
5.25
V
18
mA
6
10
700
850
µA
120
±1/2
LSB
±1/2
Internal Clock Frequency
External Clock Frequency Range
fCLK
fCLK
Acquisition Time
tACQI
tACQE
CCLK = 100pF
Internal acquisition
External CLK
Internal CLK
External acquisition (Note 9)
After FULLPD or STBYPD
1.25 1.56 2.00 MHz
0.1
2.0 MHz
3.0
3.0
5.0
µs
3.0
5
Conversion Time
Throughput Rate
tCONV
External CLK
Internal CLK, CCLK = 100pF
External CLK
Internal CLK, CCLK = 100pF
6.0
µs
6.0
7.7
10.0
100
ksps
62
Bandgap Reference
Start-Up Time
Power-up (Note 10)
200
µs
Reference Buffer Settling
To 0.1mV REF bypass
CREF = 4.7µF
capacitor fully discharged CREF = 33µF
DIGITAL INPUTS (D7–D0, CLK, RD, WR, CS, HBEN, SHDN) (Note 11)
8
ms
60
Input High Voltage
VINH
Input Low Voltage
VINL
Input Leakage Current
IIN
VIN = 0V or VDD
Input Capacitance
CIN (Note 5)
DIGITAL OUTPUTS (D7–D4, D3/D11, D2/D10, D1/D9, D0/D8, INT)
Output Low Voltage
VOL VDD = 4.75V, ISINK = 1.6mA
Output High Voltage
VOH VDD = 4.75V, ISOURCE = 1mA
Three-State Output Capacitance COUT (Note 5)
2.4
VDD - 1
V
0.8
V
±10
µA
15
pF
0.4
V
V
15
pF
4 _______________________________________________________________________________________
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