參數(shù)資料
型號(hào)： ADS8519IRHBR
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 3-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQCC32
封裝： 5 X 5 MM, QFN-32
文件頁數(shù)： 20/25頁
文件大?。?/td> 396K
代理商： ADS8519IRHBR
www.ti.com
PRODUCTPREVIEW
SLAS462 – JUNE 2007
ELECTRICAL CHARACTERISTICS (continued)
At TA = –40°C to 85°C, fs = 250 kHz, VDIG = VANA = 5 V, using internal reference (unless otherwise specified)
ADS8519I
ADS8519IB
PARAMETER
TEST CONDITIONS
UNIT
MIN
TYP
MAX
MIN
TYP
MAX
Data clock (Selectable for internal
or external data clock)
Internal clock (output only when
EXT/INT Low
9
MHz
transmitting data)
External clock (can run continually
EXT/INT High
but not recommended for optimum
0.1
26
0.1
26
MHz
performance)
ISINK = 1.6 mA,
VOL
Low-level output voltage
0.45
V
VDIG = 1.65 V ~ 5.25 V
ISOURCE = 500 μA,
VOH
High-level output voltage
VDIG-0.45
V
VDIG = 1.65 V ~ 5.25 V
Hi-Z state,
Leakage current
±5
μA
VOUT = 0 V to VDIG
Output capacitance
Hi-Z state
15
pF
POWER SUPPLIES
VDIG
Digital input voltage
1.65
5.25
1.65
5.25
V
VANA
Analog input voltage
4.75
5
5.25
4.75
5
5.25
V
Must be
≤ VANA
IDIG
Digital input current
0.1
1
0.1
1
mA
IANA
Analog input current
20
25
20
25
mA
POWER DISSIPATION
PWRD Low
fS = 250 kHz
100
125
100
125
mW
PWRD High
50
μW
TEMPERATURE RANGE
Specified performance
–40
85
–40
85
°C
Derated performance
(9)
–55
125
–55
125
°C
Storage
–65
150
–65
150
°C
THERMAL RESISTANCE (
ΘJA)
SSOP
67
°C/W
QFN
35.861
°C/W
(9)
The internal reference may not be started correctly beyond the industrial temperature range (–40
°C to 85°C), therefore use of an
external reference is recommended.
4
Copyright 2007, Texas Instruments Incorporated
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