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參數(shù)資料
| 型號： | TLV5633CDWR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | PARALLEL, WORD INPUT LOADING, 3.5 us SETTLING TIME, 12-BIT DAC, PDSO20 |
| 封裝： | GREEN, PLASTIC, SOIC-20 |
| 文件頁數(shù)： | 20/25頁 |
| 文件大?。?/td> | 486K |
| 代理商： | TLV5633CDWR |
www.ti.com
ELECTRICAL CHARACTERISTICS
SLAS190C – MARCH 1999 – REVISED SEPTEMBER 2006
over recommended operating free-air temperature range, V
ref = 2.048 V, Vref = 1.024 V (unless otherwise noted)
POWER SUPPLY
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Fast
2.3
2.8
mA
REF
on
Slow
1.3
1.6
mA
AVDD = 5 V,
DVDD = 5 V
Fast
1.9
2.4
mA
REF
No load,
off
Slow
0.9
1.2
mA
IDD
Power supply current
All inputs = AGND or DVDD,
Fast
2.1
2.6
mA
REF
DAC latch = 0x800
on
Slow
1.2
1.5
mA
AVDD = 3 V,
DVDD = 3 V
Fast
1.8
2.3
mA
REF
off
Slow
0.9
1.1
mA
Power down supply current
0.01
1
A
Zero scale, external reference (1)
-60
PSRR
Power supply rejection ratio
dB
Full scale, external reference(2)
-60
STATIC DAC SPECIFICATIONS
Resolution
12
bits
Integral nonlinearity, end point
INL
RL = 10 k, CL = 100 pF (3)
±1.2
±3
LSB
adjusted
DNL
Differential nonlinearity
RL = 10 k, CL = 100 pF (4)
±0.3
±0.5
LSB
Zero-scale error (offset error at
EZS
20
mV
zero scale)(5)
Zero-scale-error temperature
EZSTC
20
ppm/°C
coefficient(6)
% full
EG
Gain error(7)
±0.3
scale V
Gain error temperature
EG TC
20
ppm/°C
coefficient(8)
OUTPUT SPECIFICATIONS
VO
Output voltage
RL = 10 k
AVDD-0.4
V
% full
Output load regulation accuracy VO = 4.096 V, 2.048 V, RL= 2 k
±0.29
scale V
(1)
Power supply rejection ratio at zero scale is measured by varying AVDD and is given by: PSRR = 20 log [(EZS(AVDDmax) -
EZS(AVDDmin))/AVDDmax]
(2)
Power supply rejection ratio at full scale is measured by varying AVDD and is given by: PSRR = 20 log [(EG(AVDDmax) -
EG(AVDDmin))/AVDDmax]
(3)
The relative accuracy or integral nonlinearity (INL) sometimes referred to as linearity error, is the maximum deviation of the output from
the line between zero and full scale excluding the effects of zero code and full-scale errors (see text).
(4)
The differential nonlinearity (DNL) sometimes referred to as differential error, is the difference between the measured and ideal 1 LSB
amplitude change of any two adjacent codes. Monotonic means the output voltage changes in the same direction (or remains constant)
as a change in the digital input code.
(5)
Zero-scale error is the deviation from zero voltage output when the digital input code is zero (see text).
(6)
Zero-scale-error temperature coefficient is given by: EZS TC = [EZS (Tmax) - EZS (Tmin)]/2Vref× 106/(Tmax - Tmin).
(7)
Gain error is the deviation from the ideal output (2Vref - 1 LSB) with an output load of 10 k excluding the effects of the zero-error.
(8)
Gain temperature coefficient is given by: EG TC = [EG(Tmax) - EG (Tmin)]/2Vref× 106/(Tmax - Tmin).
4
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