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參數(shù)資料
| 型號(hào)： | TLV5636CD |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 3.5 us SETTLING TIME, 12-BIT DAC, PDSO8 |
| 封裝： | GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件頁數(shù)： | 18/23頁 |
| 文件大?。?/td> | 521K |
| 代理商： | TLV5636CD |
www.ti.com
ELECTRICAL CHARACTERISTICS
TLV5636
SLAS223C – JUNE 1999 – REVISED APRIL 2004
over recommended operating free-air temperature range, supply voltages, and reference voltages (unless otherwise noted)
STATIC DAC SPECIFICATIONS
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Resolution
12
Bits
INL
Integral nonlinearity
See note(1)
±2
±4
LSB
DNL
Differential nonlinearity
See note(2)
±0.5
±1
LSB
EZS
Zero-scale error (offset error at zero scale)
See note(3)
±20
mV
EZS TC
Zero-scale-error temperature coefficient
See note (4)
10
V/°C
% of FS
EG
Gain error
See note (5)
±0.6
voltage
EG TC
Gain error temperature coefficient
See note (6)
10
ppm/°C
(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 10 to code 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. Tested from code 10 to code 4095.
(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 x 106/(Tmax - Tmin).
(5)
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.
(6)
Gain error temperature coefficient is given by: EG TC = [EG(Tmax) - EG (Tmin)]/Vref x 106/(Tmax - Tmin).
OUTPUT SPECIFICATIONS
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VO
Voltage output range
RL = 10 k
0
VDD - 0.4
V
% of FS
Output load regulation accuracy
VO = 4.096 V, 2.048 V, RL= 2 k
±0.25
voltage
REFERENCE PIN CONFIGURED AS OUTPUT (REF)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Vref(OUTL)
Low reference voltage
1.003
1.024
1.045
V
Vref(OUTH)
High reference voltage
VDD > 4.75 V
2.027
2.048
2.068
V
Iref(source)
Output source current
1
mA
Iref(sink)
Output sink current
-1
mA
Load capacitance
100
pF
PSRR
Power supply rejection ratio
-65
dB
REFERENCE INPUT CONFIGURED AS INPUT (REF)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VI
Input voltage
0
VDD - 1.5
V
Ri
Input resistance
10
k
Ci
Input capacitance
5
pF
Fast
1.3
Reference input bandwidth
REF = 0.2 Vpp + 1.024 V dc
MHz
Slow
525
Reference feed through
REF = 1 Vpp at 1 kHz + 1.024 V dc(1)
-80
dB
(1)
Reference feedthrough is measured at the DAC output with an input code = 0x000.
DIGITAL INPUT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
IIH
High-level digital input current
VI = VDD
1
A
IIL
Low-level digital input current
VI = 0 V
-1
A
Ci
Input capacitance
8
pF
4
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