参数资料
型号: ADS8342IBPFBTG4
厂商: TEXAS INSTRUMENTS INC
元件分类: ADC
英文描述: 4-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PQFP48
封装: GREEN, PLASTIC, TQFP-48
文件页数: 25/28页
文件大小: 1129K
代理商: ADS8342IBPFBTG4
ADS8342
SBAS277 – MAY 2003
www.ti.com
6
ELECTRICAL CHARACTERISTICS (continued)
Over recommended operating free-air temperature range at –40
°C to +85°C, ±AVDD =±DVDD =±5V, BVDD = +5V, VREF = +2.5V, fCLK = 5MHz, and
fSAMPLE = 250kSPS, unless otherwise noted.
PARAMETER
UNIT
ADS8342IB
ADS8342I
TEST CONDITIONS
PARAMETER
UNIT
MAX
TYP(1)
MIN
MAX
TYP(1)
MIN
TEST CONDITIONS
Power-Supply Requirements
Negative analog power supply (–AVDD)
–5.25
–4.75
:
V
Positive analog power supply (+AVDD)
4.75
5.25
:
V
Negative digital power supply (–DVDD)
–5.25
–4.75
:
V
Positive digital power supply (+DVDD)
4.75
5.25
:
V
I/O buffer power supply (BVDD)
Low-voltage levels
2.7
3.6
:
V
I/O buffer power supply (BVDD)
5V logic levels
4.5
+DVDD
:
V
Negative analog operating supply
current (–AIDD)
11.5
13.8
:
mA
Positive analog operating supply current
(+AIDD)
14
16.8
:
mA
Negative digital operating supply
current (–DIDD)
8.3
9.9
:
mA
Positive digital operating supply current
(+DIDD)
7.1
8.5
:
mA
I/O buffer operating supply current
BVDD = 3V
0.65
0.81
:
mA
I/O buffer o erating su
ly current
(BIDD)
BVDD = 5V
1
1.25
:
mA
Power Dissipation
BVDD = 3V
208
250
:
mW
: Indicates the same specifications as the ADS8342I.
(1) All typical values are at TA = +25°C.
(2) Ensured by design.
(3) Applies for 5.0V nominal supply: BVDD (min) = 4.5V and BVDD (max) = 5.5V.
(4) Applies for 3.0V nominal supply: BVDD (min) = 2.7V and BVDD (max) = 3.6V.
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