參數(shù)資料
型號(hào)： TLC548I
廠商： Texas Instruments, Inc.
英文描述： 8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL
中文描述： 8位模擬數(shù)字轉(zhuǎn)換器與串行控制
文件頁數(shù)： 5/12頁
文件大?。?/td> 167K
代理商： TLC548I
TLC548C, TLC548I, TLC549C, TLC549I
8-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL
SLAS067C – NOVEMBER 1983 – REVISED SEPTEMBER 1996
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range,
V
CC
= V
ref+
= 4.75 V to 5.5 V, f
clock(I/O)
= 2.048 MHz for TLC548 or 1.1 MHz for TLC549
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
VOL
High-level output voltage
VCC = 4.75 V,
VCC = 4.75 V,
VO = VCC,
VO = 0,
VI = VCC
VI = 0
Analog input at VCC
Analog input at 0 V
IOH = –360
μ
A
IOL = 3.2 mA
CS at VCC
CS at VCC
2.4
V
Low-level output voltage
0.4
V
IOZ
High impedance off state output current
High-impedance off-state output current
10
μ
A
–10
IIH
IIL
High-level input current, control inputs
0.005
2.5
μ
A
μ
A
Low-level input current, control inputs
–0.005
–2.5
II(on)
Analog channel on-state input current during sample
cycle
0.4
1
μ
A
–0.4
–1
ICC
ICC + Iref
Operating supply current
CS at 0 V
1.8
2.5
mA
Supply and reference current
Vref+ = VCC
1.9
3
mA
Ci
Input capacitance
Analog inputs
Control inputs
7
5
55
15
pF
operating characteristics over recommended operating free-air temperature range,
V
CC
= V
ref+
= 4.75 V to 5.5 V, f
clock(I/O)
= 2.048 MHz for TLC548 or 1.1 MHz for TLC549
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
TLC548
TYP
TLC549
TYP
UNIT
MIN
MAX
MIN
MAX
EL
EZS
EFS
Linearity error
See Note 6
±
0.5
±
0.5
±
0.5
±
0.5
17
±
0.5
±
0.5
±
0.5
±
0.5
17
LSB
Zero-scale error
See Note 7
LSB
Full-scale error
See Note 7
LSB
Total unadjusted error
See Note 8
LSB
μ
s
μ
s
I/O
clock
cycles
tconv
Conversion time
See Operating Sequence
8
12
Total access and conversion time
See Operating Sequence
12
22
19
25
ta
Channel acquisition time (sample cycle)
See Operating Sequence
4
4
tv
Time output data remains
valid after I/O CLOCK
↓
Delay time to data output valid
10
10
ns
td
ten
tdis
tr(bus)
tf(bus)
All typicals are at VCC = 5 V, TA = 25
°
C.
NOTES:
6. Linearity error is the deviation from the best straight line through the A/D transfer characteristics.
7. Zero-scale error is the difference between 00000000 and the converted output for zero input voltage; full-scale error is the difference
between 11111111 and the converted output for full-scale input voltage.
8. Total unadjusted error is the sum of linearity, zero-scale, and full-scale errors.
I/O CLOCK
↓
200
400
ns
μ
s
ns
Output enable time
1.4
1.4
Output disable time
150
150
Data bus rise time
Data bus fall time
See Figure 1
300
300
300
300
ns
ns
相關(guān)PDF資料
PDF描述
TLC549C 8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL
TLC549I 8-BIT ANALOG-TO-DIGITAL CONVERTERS WITH SERIAL CONTROL
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相關(guān)代理商/技術(shù)參數(shù)
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TLC548ID 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8bit A/D RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
TLC548IDG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8bit A/D RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
TLC548IDR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 45.5 kSPS Serial Out RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
TLC548IDRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 45.5 kSPS Serial Out RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
TLC548IP 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8bit A/D w/Serial RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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