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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, ADS7867 (continued)
At –40°C to 85°C, fSAMPLE = 240 KSPS and fSCLK = 3.4 MHz if 1.6 V VDD 3.6 V; fSAMPLE = 120 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
Input logic low level
ISCLK
SCLK pin leakage current
ICS
CS pin leakage current
CIN
Digital input pin capacitance
DIGITAL OUTPUT
1.2 V VDD < 1.6 V
1.6 V VDD < 1.8 V
1.8 V VDD < 2.5 V
2.5 V VDD 3.6 V
Digital input = 0 V or VDD
–0.2
–0.2
–0.2
–0.2
0.2×VDD
0.2×VDD
V
0.3×VDD
0.8
–1 0.02
1 µA
±1
µA
10 pF
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 = 240 KSPS, fSCLK = 3.4 MHz, VDD = 3.6 V
fSAMPLE = 100 KSPS, fSCLK = 3.4 MHz, VDD = 3.6 V
fSAMPLE = 240 KSPS, fSCLK = 3.4 MHz, VDD = 1.6 V
fSAMPLE = 100 KSPS, fSCLK = 3.4 MHz, VDD = 1.6 V
fSAMPLE = 120 KSPS, fSCLK = 1.7 MHz, VDD = 1.2 V
fSAMPLE = 50 KSPS, fSCLK = 1.7 MHz, VDD = 1.2 V
1.2
420
172
261
107
202
83
0.008
3.6
V
500
µA
330
µA
250
µA
0.3 µA
Normal operation
Power-down mode
TEMPERATURE RANGE
fSAMPLE = 240 KSPS, fSCLK = 3.4 MHz, VDD = 3.6 V
fSAMPLE = 240 KSPS, fSCLK = 3.4 MHz, VDD = 1.6 V
fSAMPLE = 120 KSPS, fSCLK = 1.7 MHz, VDD = 1.2 V
SCLK on or off, VDD = 3.6 V
1.51
1.80
0.42
0.53 mW
0.24
0.30
1.08 µW
Specified performance
–40
85 °C
6
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