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参数资料
| 型号： | TLC7628EDW |
| 厂商： | Texas Instruments, Inc. |
| 英文描述： | DUAL 8-BIT MULTIPLYING DIGITAL-TO-ANALOG CONVERTERS |
| 中文描述： | 双8位乘法数字到模拟转换器 |
| 文件页数： | 4/10页 |
| 文件大小： | 156K |
| 代理商： | TLC7628EDW |
TLC7628C, TLC7628E, TLC7628I
DUAL 8-BIT MULTIPLYING
DIGITAL-TO-ANALOG CONVERTERS
SLAS063A – APRIL 1989 – REVISED MAY 1995
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
operating characteristics over recommended ranges of operating free-air temperature and V
DD
,
V
refA
= V
refB
= 10 V, V
OA
and V
OB
at 0 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
±
1/2
100
±
3
±
2
–65
UNIT
Linearity error
LSB
Settling time (to 1/2 LSB)
See Note 1
ns
Gain error
See Note 2
Full range
25
°
C
Full range
25
°
C
LSB
AC feedthrough
REFA to OUTA
See Note 3
dB
REFB to OUTB
–75
Temperature coefficient of gain
±
0.0035
%FSR/
°
C
Propagation delay (from digital input to
90% of final analog output current)
See Note 4
80
ns
Channel-to-channel
isolation
REFA to OUTB
See Note 5
25
°
C
25
°
C
80
dB
REFB to OUTA
See Note 6
80
Digital-to-analog glitch impulse area
Measured for code transition from 00000000 to 11111111,
TA = 25
°
C
Measured for code transition from 00000000 to 11111111,
TA = 25
°
C
Vi = 6 V, f = 1 kHz,
TA = 25
°
C
330
nV
s
Digital crosstalk
60
nV
s
Harmonic distortion
1. OUTA, OUTB load = 100
, Cext = 13 pF; WR and CS at 0 V; DB0–DB7 at 0 V to VDD or VDD to 0 V.
2. Gain error is measured using an internal feedback resistor. Nominal full scale range (FSR) = Vref – 1 LSB. Both DAC latches are
loaded with 11111111.
3. Vref = 20 V peak-to-peak, 10-kHz sine wave
4. VrefA = VrefB = 10 V; OUTA/OUTB load = 100
, Cext = 13 pF; WR and CS at 0 V; DB0–DB7 at 0 V to VDD or VDD to 0 V.
5. VrefA = 20 V peak-to-peak, 10-kHz sine wave; VrefB = 0
6. VrefB = 20 V peak-to-peak, 10-kHz sine wave; VrefA = 0
–85
dB
NOTES:
th(DAC)
1.3 V
th(CS)
tsu(CS)
tsu(DAC)
th(D)
Data In Stable
DB0–DB7
WR
CS
DACA/DACB
1.3 V
1.3 V
3.5 V
0.3 V
3.5 V
3.5 V
3.5 V
0.3 V
0.3 V
0.3 V
For all input signals, tr = tf = 5 ns (10% to 90% points).
1.3 V
1.3 V
1.3 V
1.3 V
1.3 V
Figure 1. Setup and Hold Times
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| TLC7628EFN | 制造商:TI 制造商全称:Texas Instruments 功能描述:DUAL 8-BIT MULTIPLYING DIGITAL-TO-ANALOG CONVERTERS |
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