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參數資料
| 型號： | TLV0838IPWRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 8-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 封裝： | GREEN, TSSOP-20 |
| 文件頁數： | 1/26頁 |
| 文件大小： | 710K |
| 代理商： | TLV0838IPWRG4 |
TLV0834C, TLV0834I, TLV0838C, TLV0838I
3-VOLT 8-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL
SLAS147B – SEPTEMBER 1996 – REVISED OCTOBER 2000
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D 8-Bit Resolution
D 2.7-V to 3.6-V VCC
D Easy Microprocessor Interface or
Stand-Alone Operation
D Operates Ratiometrically or With VCC
Reference
D 4- or 8-Channel Multiplexer Options With
Address Logic
D Input Range 0 V to VCC With VCC Reference
D Remote Operation With Serial Data Link
D Inputs and Outputs Are Compatible With
TTL and MOS
D Conversion Time of 32 s at
f(CLK) = 250 kHz
D Functionally Equivalent to the ADC0834
and ADC0838 at 3-V Supply Without the
Internal Zener Regulator Network
D Total Unadjusted Error . . . ±1 LSB
description
These devices are 8-bit successive-approximation analog-to-digital converters, each with an input-configurable
multichannel multiplexer and serial input/output. The serial input/output is configured to interface with standard
shift registers or microprocessors. Detailed information on interfacing with most popular microprocessors is
readily available from the factory.
The TLV0834 (4-channel) and TLV0838 (8-channel) multiplexer is software-configured for single-ended or
differential inputs as well as pseudodifferential input assignments. The differential analog voltage input allows
for common-mode rejection or offset of the analog zero input voltage value. In addition, the voltage reference
input can be adjusted to allow encoding of any smaller analog voltage span to the full 8 bits of resolution.
The TLV0834C and TLV0838C are characterized for operation from 0
°C to 70°C. The TLV0834I and TLV0838I
are characterized for operation from – 40
°C to 85°C.
1
2
3
4
5
6
7
14
13
12
11
10
9
8
NC
CS
CH0
CH1
CH2
CH3
DGTL GND
VCC
DI
CLK
SARS
DO
REF
ANLG GND
TLV0834 ...D OR N PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
NC
CS
CH0
CH1
CH2
CH3
DGTL GND
NC
VCC
DI
CLK
SARS
DO
REF
ANLG GND
NC
NC – No internal connection
TLV0834 . . . PW PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
COM
DGTL GND
VCC
NC
CS
DI
CLK
SARS
DO
SE
REF
ANLG GND
TLV0838 ...PW, DW, OR N PACKAGE
(TOP VIEW)
AVAILABLE OPTIONS
PACKAGE
TA
SMALL
OUTLINE
(D)
SMALL
OUTLINE
(DW)
PLASTIC DIP
(N)
TSSOP
(PW)
0
°C to 70°C
TLV0834CD
TLV0838CDW
TLV0834CN
TLV0838CN
TLV0834CPW
TLV0838CPW
–40
°C to 85°C
TLV0834ID
TLV0838IDW
TLV0834IN
TLV0838IN
TLV0834IPW
TLV0838IPW
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
2000, Texas Instruments Incorporated
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