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參數(shù)資料
| 型號(hào)： | TLV5621I |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | LOW-POWER QUADRUPLE 8-BIT DIGITAL-TO-ANALOG CONVERTER |
| 中文描述： | 低功耗翻兩番8位數(shù)字，模擬轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 12/17頁(yè) |
| 文件大小： | 240K |
| 代理商： | TLV5621I |
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TLV5621I
LOW-POWER QUADRUPLE 8-BIT DIGITAL-TO-ANALOG CONVERTER
SLAS138B – APRIL 1996 – REVISED FEBRUARY 1997
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
operating characteristics over recommended operating free-air temperature range,
V
DD
= 3 V to 3.6 V, V
ref
= 1.25 V, GND = 0 V, R
L
= 10 k
, C
L
= 100 pF,
×
1 gain output range
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V/
μ
s
V/
μ
s
V/
μ
s
μ
s
μ
s
Output slew rate, rising (DACA)
0.8
Output slew rate, falling (DACA)
0.5
Output slew rate (DACB, DACC, DACD)
1
Output settling time, rising (DACA)
To 1/2 LSB,
VDD = 3 V
VDD = 3 V
20
Output settling time, falling (DACA)
To 1/2 LSB,
75
Output settling time, rising (DACB, DACC,
DACD)
To 1/2 LSB,
VDD = 3 V
10
μ
s
Output settling time, falling (DACB, DACC,
DACD)
Output settling time, HWACT or ACT
↑
to
output volts (DACA) (see Note 14)
Output settling time, HWACT or ACT
↑
to
output volts (DACB, DACC, DACD)
(see Note 14)
To 1/2 LSB,
VDD = 3 V
75
μ
s
To 1/2 LSB,
VDD = 3 V
40
120
μ
s
To 1/2 LSB,
VDD = 3 V
25
75
μ
s
Large-signal bandwidth
Measured at –3 dB point
100
kHz
Digital crosstalk
CLK = 1-MHz square wave measured at DACA–DACD
–50
dB
Reference feedthrough
A, B, C, D inputs, See Note 15
–60
dB
Channel-to-channel isolation
A, B, C, D inputs, See Note 16
–60
dB
Channel-to-channel isolation when in
shutdown
A, B, C, D inputs
–40
dB
Reference bandwidth (DACA)
See Note 17
20
kHz
Reference bandwidth (DACB, DACC, DACD)
This is specified by characterization but is not production tested.
NOTES: 14. The ACT bit is latched on EN
↓
.
15. Reference feedthrough is measured at any DAC output with an input code = 00 hex with a Vref input = 1 V dc + 1 VPP at 10 kHz.
16. Channel-to-channel isolation is measured by setting the input code of one DAC to FF hex and the code of all other DACs to 00 hex
with Vref input = 1 V dc + 1 VPP at 10 kHz.
17. Reference bandwidth is the –3 dB bandwidth with an ideal input at Vref = 1.25 V dc + 2 VPP and with a digital input code of full-scale
(range set to
×
1 and VDD = 5 V).
See Note 17
100
kHz
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