參數(shù)資料
型號(hào)： THS1040IDW
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 1-CH 10-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28
封裝： GREEN, PLASTIC, SOIC-28
文件頁數(shù)： 31/36頁
文件大?。?/td> 751K
代理商： THS1040IDW
THS1040
SLAS290C OCTOBER 2001 REVISED OCTOBER 2004
4
www.ti.com
absolute maximum ratings over operating free-air temperature (unless otherwise noted)
Supply voltage range: AVDD to AGND, DVDD to DGND
0.3 V to 4 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AGND to DGND
0.3 V to 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AVDD to DVDD
4 V to 4 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MODE input voltage range, MODE to AGND
0.3 V to AVDD + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reference voltage input range, REFT, REFB, to AGND
0.3 V to AVDD + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Analog input voltage range, AIN to AGND
0.3 V to AVDD + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reference input voltage range, VREF to AGND
0.3 V to AVDD + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reference output voltage range, VREF to AGND
0.3 V to AVDD + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clock input voltage range, CLK to AGND
0.3 V to AVDD + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Digital input voltage range, digital input to DGND
0.3 V to DVDD + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Digital output voltage range, digital output to DGND
0.3 V to DVDD + 0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating junction temperature range, TJ
0
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 in) from case for 10 seconds
300
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
recommended operating conditions
over operating free-air temperature range TA, (unless otherwise noted)
PARAMETER
CONDITION
MIN
NOM
MAX
UNIT
Power Supply
Supply voltage
AVDD, DVDD
3
3.6
V
Analog and Reference Inputs
VREF input voltage
VI(VREF)
REFSENSE = AVDD
0.5
1
V
REFT input voltage
VI(REFT)
MODE = AGND
1.75
2
V
REFB input voltage
VI(REFB)
MODE = AGND
1
1.25
V
Reference input voltage
VI(REFT) VI(REFB) MODE = AGND
0.5
1
V
Reference common mode voltage
(VI(REFT)+VI(REFB))/2 MODE = AGND
(AVDD/2) 0.05
(AVDD/2) + 0.05
V
Analog input voltage differential (see Note 1)
VI(AIN)
REFSENSE = AGND
1
V
Analog input voltage differential (see Note 1)
VI(AIN)
REFSENSE = VREF
0.5
V
Analog input capacitance, CI
10
pF
Clock input (see Note 2)
0
AVDD
V
Digital Outputs
Maximum digital output load resistance
RL
100
k
Maximum digital output load capacitance
CL
10
pF
Digital Inputs
High-level input voltage, VIH
2.4
DVDD
V
Low-level input voltage, VIL
DGND
0.8
V
Clock frequency (see Note 3)
tc
f(CLK) = 5 MHz to 40 MHz 25
200
nS
Clock pulse duration
tw(CKL), tw(CKH)
f(CLK) = 40 MHz
11.25
12.5
13.75
nS
Operating free-air temperature, TA
THS1040C
0
70
°C
Operating free-air temperature, TA
THS1040I
40
85
°C
NOTE 1: VI(AIN) is AIN+ AIN range, based on VI(REFT) VI(REFB) =1V.Varies proportional to the VI(REFT) VI(REFB) value. Input common mode
voltage is recommended to be AVDD/2.
NOTE 2: The clock pin is referenced to AVSS and powered by AVDD.
NOTE 3: Clock frequency can be extended to this range without degradation of performance.
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