Minimum/maximum specifications a" />
參數(shù)資料
型號(hào): ADS1259BIPWR
廠商: Texas Instruments
文件頁(yè)數(shù): 34/48頁(yè)
文件大小: 0K
描述: IC ADC 24BIT SPI 14KSPS 20TSSOP
標(biāo)準(zhǔn)包裝: 2,000
位數(shù): 24
采樣率(每秒): 14k
數(shù)據(jù)接口: 串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 模擬和數(shù)字,雙 ±
工作溫度: -40°C ~ 125°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 20-TSSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類(lèi)型: 2 個(gè)單端,單極;2 個(gè)單端,雙極;1 個(gè)差分,單極;1 個(gè)差分,雙極
SBAS424D
– JUNE 2009 – REVISED AUGUST 2011
ELECTRICAL CHARACTERISTICS (continued)
Minimum/maximum specifications are at TA = –40°C to +105°C. Typical specifications are at TA = +25°C, AVDD = +2.5V,
AVSS =
–2.5V, DVDD = +3.3V, fCLK = 7.3728MHz, VREF = 2.5V, and fDATA = 60SPS, unless otherwise noted.
ADS1259
ADS1259B
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
CLOCK SOURCE (fCLK)
Nominal frequency
7.3728
MHz
Internal oscillator
Accuracy
±0.2
±2
±0.2
±2
%
Frequency range
2
7.3728
8
2
7.3728
8
MHz
Crystal oscillator
Start-up time
(12)
20
ms
Frequency range
0.1
7.3728
8
0.1
7.3728
8
MHz
External clock
Duty cycle
40
60
40
60
%
DIGITAL INPUT/OUTPUT (DVDD = 2.7V to 5.25V)
VIH
0.8 DVDD
DVDD
0.8 DVDD
DVDD
V
VIL
DGND
0.2 DVDD
DGND
0.2 DVDD
V
IOH = 1mA
0.8 DVDD
V
VOH
IOH = 8mA
0.75 DVDD
V
IOL = 1mA
0.2 DVDD
V
VOL
IOL = 8mA
0.2 DVDD
V
Input hysteresis
0.1
V
Input leakage
0
< VDIGITAL INPUT < DVDD
±10
μA
POWER SUPPLY
AVSS
–2.6
0
–2.6
0
V
AVDD
AVSS + 4.75
AVSS + 5.25
AVSS + 4.75
AVSS + 5.25
V
DVDD
2.7
5.25
2.7
5.25
V
Operating
2.3
3.8
2.3
3.8
|mA|
(reference enabled)
Sleep mode
200
|
μA|
(reference enabled)
AVDD, AVSS current
Sleep mode
1
40
1
40
|
μA|
(reference disabled)
Power-Down mode
1
40
1
40
|
μA|
Operating
500
700
500
700
μA
DVDD current
(13)
Sleep mode
160
300
160
300
μA
Power-Down mode
(14)
1
10
1
10
μA
Operating
13
22
13
22
mW
Sleep mode
1.5
mW
(reference enabled)
Power dissipation
Sleep mode
0.5
1.2
0.5
1.2
mW
(reference disabled)
Power-Down mode
10
240
10
240
μW
TEMPERATURE RANGE
Specified temperature range
–40
+105
–40
+105
°C
Operating temperature range
–40
+125
–40
+125
°C
Storage temperature range
–60
+150
–60
+150
°C
(12) Crystal operation using 18pF load capacitors.
(13) Specified with internal oscillator operating (internal oscillator current: 40
A, typ).
(14) External CLKIN, SCLK stopped. Digital inputs maintained at VIH or VIL voltage levels.
4
Copyright
2009–2011, Texas Instruments Incorporated
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