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參數資料
| 型號： | TLV5627CDG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 8.5 us SETTLING TIME, 8-BIT DAC, PDSO16 |
| 封裝： | GREEN, PLASTIC, SOIC-16 |
| 文件頁數： | 20/23頁 |
| 文件大小： | 462K |
| 代理商： | TLV5627CDG4 |
TLV5627C, TLV5627I
2.7V TO 5.5V 8BIT 4CHANNEL DIGITALTOANALOG CONVERTERS
WITH POWER DOWN
SLAS232A JUNE1999 REVISED JULY 2002
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range
(unless otherwise noted) (continued)
analog output dynamic performance
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SR
Output slew rate
CL = 100 pF, RL = 10 k,
VO = 10% to 90%,
Fast
5
V/
s
SR
Output slew rate
LL
VO = 10% to 90%,
Vref = 2.048 V, 1024 V
Slow
1
V/
s
ts
Output settling time
To
± 0.1 LSB, CL = 100 pF,
Fast
2.5
4
s
ts
Output settling time
To
± 0.1 LSB, CL = 100 pF,
RL = 10 k, See Notes 12 and 14
Slow
8.5
18
s
ts(c)
Output settling time, code to code
To
± 0.1 LSB, CL = 100 pF,
Fast
1
s
ts(c)
Output settling time, code to code
To
± 0.1 LSB, CL = 100 pF,
RL = 10 k, See Notes 13 and 14
Slow
2
s
Glitch energy
Code transition from 7F0 to 800
10
nV-sec
SNR
Signal-to-noise ratio
Sinewave generated by DAC,
57
S/(N+D)
Signal to noise + distortion
Sinewave generated by DAC,
Reference voltage = 1.024 at 3 V and 2.048 at 5 V,
49
dB
THD
Total harmonic distortion
Reference voltage = 1.024 at 3 V and 2.048 at 5 V,
fs = 400 KSPS, fOUT = 1.1 kHz sinewave,
CL = 100 pF,
RL = 10 k,
BW = 20 kHz
50
dB
SFDR
Spurious free dynamic range
fs = 400 KSPS, fOUT = 1.1 kHz sinewave,
CL = 100 pF,
RL = 10 k,
BW = 20 kHz
60
NOTES: 12. Settling time is the time for the output signal to remain within
± 0.1 LSB of the final measured value for a digital input code change
of 0x020 to 0xFF0 or 0xFF0 to 0x020.
13. Settling time is the time for the output signal to remain within
± 0.1 LSB of the final measured value for a digital input code change
of one count.
14. Limits are ensured by design and characterization, but are not production tested.
digital input timing requirements
MIN
NOM
MAX
UNIT
tsu(CSFS)
Setup time, CS low before FS
↓
10
ns
tsu(FSCK)
Setup time, FS low before first negative SCLK edge
8
ns
tsu(C16FS)
Setup time, sixteenth negative SCLK edge after FS low on which bit D0 is sampled before
rising edge of FS
10
ns
tsu(C16CS)
Setup time. The first positive SCLK edge after D0 is sampled before CS rising edge. If FS
is used instead of the SCLK positive edge to update the DAC, then the setup time is between
the FS rising edge and CS rising edge.
10
ns
twH
Pulse duration, SCLK high
25
ns
twL
Pulse duration, SCLK low
25
ns
tsu(D)
Setup time, data ready before SCLK falling edge
8
ns
th(D)
Hold time, data held valid after SCLK falling edge
5
ns
twH(FS)
Pulse duration, FS high
20
ns
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