參數(shù)資料
型號(hào)： TLV5637ID
廠商： TEXAS INSTRUMENTS INC
元件分類： DAC
英文描述： SERIAL INPUT LOADING, 2.8 us SETTLING TIME, 10-BIT DAC, PDSO8
封裝： GREEN, PLASTIC, MS-012AA, SOIC-8
文件頁(yè)數(shù)： 16/21頁(yè)
文件大小： 422K
代理商： TLV5637ID
www.ti.com
ELECTRICAL CHARACTERISTICS
SLAS224C – JUNE 1999 – REVISED JUNE 2007
Over recommended operating conditions (unless otherwise noted).
POWER SUPPLY
PARAMETER
TEST CONDITIONS
MIN
TYP MAX
UNIT
Fast
4.2
7
mA
VDD = 5V, Int. ref.
Slow
2
3.6
mA
Fast
3.7
6.3
mA
VDD = 3V, Int. ref.
Slow
1.7
3.0
mA
No load, All inputs = AGND or
IDD
Power supply current
VDD, DAC latch = 0x800
Fast
3.8
6.3
mA
VDD = 5V, Ext. ref.
Slow
1.7
3.0
mA
Fast
3.4
5.7
mA
VDD = 3V, Ext. ref.
Slow
1.4
2.6
mA
Power-down supply current
0.01
10
A
Zero scale, See (1)
65
PSRR
Power supply rejection ratio
dB
Full scale, See (2)
65
(1)
Power supply rejection ratio at zero scale is measured by varying VDD and is given by: PSRR = 20 log [(EZS(VDDmax) –
EZS(VDDmin))/VDDmax]
(2)
Power supply rejection ratio at full scale is measured by varying VDD and is given by: PSRR = 20 log [(EG(VDDmax) –
EG(VDDmin))/VDDmax]
STATIC DAC SPECIFICATIONS
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Resolution
10
bits
INL
Integral nonlinearity, end point adjusted
See (1)
±0.4
±1
LSB
DNL
Differential nonlinearity
See (2)
±0.1
±0.5
LSB
EZS
Zero-scale error (offset error at zero scale)
See (3)
±24
mV
EZSTC Zero-scale-error temperature coefficient
See (4)
10
ppm/°C
% full
EG
Gain error
See (5)
±0.6
scale V
EGTC
Gain error temperature coefficient
See (6)
10
ppm/°C
OUTPUT SPECIFICATIONS
VO
Output voltage
RL = 10k
0
VDD–0.4
V
% full
Output load regulation accuracy
VO= 4.096V, 2.048V, RL= 2 k
±0.25
scale V
(1)
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. Tested from code 32 to 4095.
(2)
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.
(3)
Zero-scale error is the deviation from zero voltage output when the digital input code is zero.
(4)
Zero-scale-error temperature coefficient is given by: EZS TC = [EZS (Tmax) – EZS (Tmin)]/Vref× 106/(Tmax– Tmin).
(5)
Gain error is the deviation from the ideal output (2Vref– 1LSB) with an output load of 10 k excluding the effects of the zero-error.
(6)
Gain temperature coefficient is given by: EG TC = [EG(Tmax) – EG (Tmin)]/Vref× 106/(Tmax– Tmin).
4
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