參數(shù)資料
型號(hào): TMS320LF2406PGS
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號(hào)處理
英文描述: DSP CONTROLLERS
中文描述: DSP控制器
文件頁數(shù): 96/115頁
文件大小: 1511K
代理商: TMS320LF2406PGS
SPRS094I APRIL 1999 REVISED SEPTEMBER 2003
96
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
operating characteristics over recommended operating condition ranges
PARAMETER
DESCRIPTION
MIN
TYP
MAX
15
UNIT
mA
VCCA = 3.3 V
10
ICCA
Analog supply current
VCCA = VREFHI = 3.3 V
PLL or OSC power
down
1
A
IADREFHI
IADCIN
ADVREFHI input current
Analog input leakage
0.75
1.5
mA
μ
A
1
Cai
Analog input capacitance
Typical capacitive load on
analog input pin
Non-sampling
10
pF
Sampling
30
EDNL
Differential nonlinearity error
Difference between the actual step width and the ideal
value
2
LSB
EINL
Integral nonlinearity error
Maximum deviation from the best straight line through
the ADC transfer characteristics, excluding the
quantization error
2
LSB
td(PU)
Delay time, power-up to ADC
valid
Time to stabilize analog stage after power-up
10
s
ZAI
Analog input source impedance
Analog input source impedance needed for
conversions to remain within specifications at min
tw(SH)
67
10
Absolute resolution = 3.22 mV. At VREFHI = 3.3 V and VREFLO = 0 V, this is one LSB. As VREFHI decreases, VREFLO increases, or both, the LSB
size decreases. Therefore, the absolute accuracy and differential/integral linearity errors in terms of LSBs increase.
Test conditions: VREFHI = VCCA , VREFLO = VSSA
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