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ADS7866 데이터 시트보기 (PDF) - Burr-Brown -> Texas Instruments

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ADS7866 1.2-V, 12-/10-/8-BIT, 200-KSPS/100-KSPS, MICRO-POWER, MINIATURE ANALOG-TO-DIGITAL CONVERTER WITH SERIAL INTERFACE BB
Burr-Brown -> Texas Instruments BB
ADS7866 Datasheet PDF : 28 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
ADS7866
ADS7867
ADS7868
SLAS465 – JUNE 2005
www.ti.com
SPECIFICATIONS, ADS7868 (continued)
At –40°C to 85°C, fSAMPLE = 280 KSPS and fSCLK = 3.4 MHz if 1.6 V VDD 3.6 V; fSAMPLE = 140 KSPS and fSCLK = 1.7 MHz if
1.2 V VDD < 1.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
VIL
ISCLK
ICS
CIN
1.2 V VDD < 1.6 V
Input logic low level
1.6 V VDD < 1.8 V
1.8 V VDD < 2.5 V
2.5 V VDD 3.6 V
SCLK pin leakage current Digital input = 0 V or VDD
CS pin leakage current
Digital input pin
capacitance
–0.2
–0.2
–0.2
–0.2
–1
0.2×VDD
0.2×VDD
V
0.3×VDD
0.8
0.02
1 µA
±1
µA
10 pF
DIGITAL OUTPUT
VOH
VOL
ISDO
COUT
Output logic high level
Output logic low level
SDO pin leakage current
Digital output pin
capacitance
ISOURCE = 200 µA
ISINK = 200 µA
Floating output
Floating output
VDD–0.2
0
–1
VDD
V
0.2
V
1 µA
10 pF
Data format, straight
binary
POWER SUPPLY REQUIREMENTS
VDD
Supply voltage
IDD
Supply current,
normal operation
IDD
Power-down mode
POWER DISSIPATION
Digital Inputs = 0 V
or VDD
SCLK on or off
fSAMPLE = 280 KSPS, fSCLK = 3.4 MHz, VDD = 3.6 V
fSAMPLE = 100 KSPS, fSCLK = 3.4 MHz, VDD = 3.6 V
fSAMPLE = 280 KSPS, fSCLK = 3.4 MHz, VDD = 1.6 V
fSAMPLE = 100 KSPS, fSCLK = 3.4 MHz, VDD = 1.6 V
fSAMPLE = 140 KSPS, fSCLK = 1.7 MHz, VDD = 1.2 V
fSAMPLE = 50 KSPS, fSCLK = 1.7 MHz, VDD = 1.2 V
1.2
439
154
264
93
201
70
0.008
3.6
V
500
µA
330
µA
250
µA
0.3 µA
Normal operation
Power-down mode
TEMPERATURE RANGE
fSAMPLE = 280 KSPS, fSCLK = 3.4 MHz, VDD = 3.6 V
fSAMPLE = 280 KSPS, fSCLK = 3.4 MHz, VDD = 1.6 V
fSAMPLE = 140 KSPS, fSCLK = 1.7 MHz, VDD = 1.2 V
SCLK on or off, VDD = 3.6 V
1.58
1.8
0.42
0.53 mW
0.24
0.3
1.08 µW
Specified performance
–40
85 °C
8
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