6 FN7708.2 June 28, 2012 VIN+, VIN– Absolute Input Voltage Range VCM
參數資料
型號: ISL267440IHZ-T
廠商: Intersil
文件頁數: 15/18頁
文件大?。?/td> 0K
描述: IC ADC 10BIT SPI/SRL 8-SOT-23
標準包裝: 3,000
位數: 10
采樣率(每秒): 1M
數據接口: 串行,SPI?
轉換器數目: 1
功率耗散(最大): 8.5mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: SOT-23-8
供應商設備封裝: SOT-23-8
包裝: 帶卷 (TR)
輸入數目和類型: 1 個差分,單極
ISL267440, ISL267450A
6
FN7708.2
June 28, 2012
VIN+, VIN–
Absolute Input Voltage Range
VCM = VREF
VIN+
VCM±VREF/2
V
VIN–
VCM±VREF/2
V
ILEAK
Input DC Leakage Current
-1
1
-1
1
A
CVIN
Input Capacitance
Track/Hold mode
13/5
pF
REFERENCE INPUT
VREF
VREF Input Voltage Range
VDD = 3V (1% tolerance for specified
performance)
2.0
V
VDD = 5V (1% tolerance for specified
performance)
2.5
V
ILEAK
DC Leakage Current
-1
1
-1
1
A
CREF
REF Input Capacitance
Track/Hold mode
21/18.5
pF
LOGIC INPUTS
VIH
Input High Voltage
2.4
V
VIL
Input Low Voltage
0.8
V
ILEAK
Input Leakage Current
-1
1
-1
1
A
CIN
Input Capacitance
10
pF
LOGIC OUTPUTS
VOH
Output High Voltage
ISOURCE = 200A
VDD - 0.3
V
VOL
Output Low Voltage
ISINK = 200A
0.4
V
IOZ
Floating-State Output Current
-1
1
-1
1
A
COUT
Floating-State Output Capacitance
10
pF
Output Coding
Two’s Complement
CONVERSION RATE
tCONV
Conversion Time
fSCLK = 18MHz
888
ns
tACQ
Acquisition Time
200
ns
fmax
Throughput Rate
1000
1000 kSPS
POWER REQUIREMENTS
VDD
Positive Supply Voltage Range
2.73.6
V
4.75
5.25
4.75
5.25
V
IDD
Positive Supply Input Current
Static
11
A
Dynamic
3V
1250
A
5V
1700
A
Power Dissipation
Static Mode
VDD = 3V
33
W
VDD = 5V
55
W
Dynamic
VDD = 3V, fsmpl =1MSPS
3.75
mW
VDD = 5V, fsmpl =1MSPS
8.50
mW
NOTES:
8. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.
9. The absolute voltage applied to each analog input must be between GND and VDD to guarantee datasheet performance.
Electrical Specifications VDD = +3.0V to +3.6V, fSCLK = 18MHz, fS = 1MSPS, VREF = 2.0V; VDD = +4.75V to +5.25V, fSCLK =18MHz,
fS =1MSPS, VREF = 2.5V; VCM = VREF, unless otherwise noted. Typical values are at TA = +25°C. Boldface limits apply over the operating temperature
range, -40°C to +85°C. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
ISL267440
ISL267450A
UNITS
MIN
(Note 8)
TYP
MAX
(Note 8)
MIN
(Note 8)
TYP
MAX
(Note 8)
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