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ADS7866 View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
ADS7866 1.2-V, 12-/10-/8-BIT, 200-KSPS/100-KSPS, MICRO-POWER, MINIATURE ANALOG-TO-DIGITAL CONVERTER WITH SERIAL INTERFACE TI
Texas Instruments TI
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, ADS7866 (continued)
At –40°C to 85°C, fSAMPLE = 200 KSPS and fSCLK = 3.4 MHz if 1.6 V VDD 3.6 V; fSAMPLE = 100 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
–1
0.2×VDD
0.2×VDD
V
0.3×VDD
0.8
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 = 200 KSPS, fSCLK = 3.4 MHz, VDD = 3.6 V
fSAMPLE = 100 KSPS, fSCLK = 3.4 MHz, VDD = 3.6 V
fSAMPLE = 50 KSPS, fSCLK = 3.4 MHz, VDD = 3.6 V
fSAMPLE = 20 KSPS, fSCLK = 3.4 MHz, VDD = 3.6 V
fSAMPLE = 200 KSPS, fSCLK = 3.4 MHz, VDD = 3 V
fSAMPLE = 100 KSPS, fSCLK = 3.4 MHz, VDD = 3 V
fSAMPLE = 50 KSPS, fSCLK = 3.4 MHz, VDD = 3 V
fSAMPLE = 20 KSPS, fSCLK = 3.4 MHz, VDD = 3 V
fSAMPLE = 200 KSPS, fSCLK = 3.4 MHz, VDD = 2.5 V
fSAMPLE = 100 KSPS, fSCLK = 3.4 MHz, VDD = 2.5 V
fSAMPLE = 50 KSPS, fSCLK = 3.4 MHz, VDD = 2.5 V
fSAMPLE = 20 KSPS, fSCLK = 3.4 MHz, VDD = 2.5 V
fSAMPLE = 200 KSPS, fSCLK = 3.4 MHz, VDD = 1.8 V
fSAMPLE = 100 KSPS, fSCLK = 3.4 MHz, VDD = 1.8 V
fSAMPLE = 50 KSPS, fSCLK = 3.4 MHz, VDD = 1.8 V
fSAMPLE = 20 KSPS, fSCLK = 3.4 MHz, VDD = 1.8 V
fSAMPLE = 200 KSPS, fSCLK = 3.4 MHz, VDD = 1.6 V
fSAMPLE = 100 KSPS, fSCLK = 3.4 MHz, VDD = 1.6 V
fSAMPLE = 50 KSPS, fSCLK = 3.4 MHz, VDD = 1.6 V
fSAMPLE = 20 KSPS, fSCLK = 3.4 MHz, VDD = 1.6 V
fSAMPLE = 100 KSPS, fSCLK = 1.7 MHz, VDD = 1.2 V
fSAMPLE = 50 KSPS, fSCLK = 1.7 MHz, VDD = 1.2 V
fSAMPLE = 20 KSPS, fSCLK = 1.7 MHz, VDD = 1.2 V
1.2
385
193
97
39
340
170
85
35
305
153
77
31
256
128
65
26
241
121
61
25
186
93
37
0.008
3.6
V
500
µA
µA
µA
µA
330
µA
250
µA
0.3 µA
Normal operation
Power-down mode
TEMPERATURE RANGE
fSAMPLE = 200 KSPS, fSCLK = 3.4 MHz, VDD = 3.6 V
fSAMPLE = 200 KSPS, fSCLK = 3.4 MHz, VDD = 1.6 V
fSAMPLE = 100 KSPS, fSCLK = 1.7 MHz, VDD = 1.2 V
SCLK on or off, VDD = 3.6 V
1.39
1.80
0.39
0.53 mW
0.22
0.3
1.08
µW
Specified performance
–40
85 °C
4
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