參數(shù)資料
型號： ADS8412IPFBRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PQFP48
封裝： GREEN, PLASTIC, TQFP-48
文件頁數(shù)： 24/29頁
文件大?。?/td> 1018K
代理商： ADS8412IPFBRG4
www.ti.com
ADS8412
SLAS384A – JUNE 2003 – REVISED DECEMBER 2004
SPECIFICATIONS (continued)
T
A = –40°C to 85°C, +VA = 5 V, +VBD = 3 V or 5 V, Vref = 4.096 V, fSAMPLE = 2 MHz (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
EXTERNAL VOLTAGE REFERENCE INPUT
Vref
Reference voltage at REFIN
3.9
4.096
4.2
V
Reference resistance(7)
500
k
INTERNAL REFERENCE OUTPUT
From 95% (+VA), with 1 F
Internal reference start-up time
120
ms
storage capacity
Vref
Reference voltage
IOUT = 0
4.065
4.096
4.13
V
Source current
Static load
10
A
Line regulation
+VA = 4.75 ~ 5.25 V
0.6
mV
Drift
IOUT = 0
36
PPM/
°C
DIGITAL INPUT/OUTPUT
Logic family — CMOS
VIH
High level input voltage
IIH = 5 A
+VBD – 1
+VBD + 0.3
VIL
Low level input voltage
IIL = 5 A
–0.3
0.8
V
VOH
High level output voltage
IOH = 2 TTL loads
+VBD – 0.6
+VBD
VOL
Low level output voltage
IOL = 2 TTL loads
0
0.4
Data format – 2's complement
POWER SUPPLY REQUIREMENTS
+VBD
2.7
3
5.25
Power supply voltage
V
+VA
4.75
5
5.25
+VA Supply current(8)
fs = 2 MHz
35
40
mA
PD
Power dissipation(8)
fs = 2 MHz
175
200
mW
TEMPERATURE RANGE
TA
Operating free-air
–40
85
°C
(7)
Can vary
±20%
(8)
This includes only +VA current. +VBD current is typically 1 mA with 5-pF load capacitance on output pins.
4
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