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參數(shù)資料
| 型號： | LTC1099AIN#PBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 0K |
| 描述： | IC A/D CONV 8BIT HI-SPEED 20-DIP |
| 標(biāo)準(zhǔn)包裝： | 18 |
| 位數(shù)： | 8 |
| 采樣率（每秒）： | 400k |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 3 |
| 功率耗散（最大）： | 55mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 20-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 20-PDIP |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 1 個單端，單極 |
LTC1099
1
DESCRIPTIO
U
FEATURES
The LTC
1099 is a high speed microprocessor compatible
8-bit analog-to-digital converter (A/D). An internal sample-
and-hold (S/H) allows the A/D to convert inputs up to the
full Nyquist limit. With a conversion rate of 2.5
s, this
allows 156kHz 5VP-P input signals or slew rates as high as
2.5V/
s, to be digitized without the need for an external
S/H.
Two modes of operation, Read (RD) mode and Write-Read
(WR-RD) mode, allow easy interface with processors. All
timing is internal and edge sensitive which eliminates the
need for external pulse shaping circuits. The Stand-Alone
(SA) mode is convenient for those applications not involv-
ing a processor.
Data outputs are latched with three-state control to allow
easy interface to a processor data bus or I/O port. An
overflow output (OFL) is provided to allow cascading for
higher resolution.
s
Resolution: 8-Bits
s
Conversion Time: 2.5
s (RD Mode)
2.5
s (WR/RD Mode)
s
Slew Rate Limit (Internal S/H): 2.5V/
s
Low Power: 75mW Max
s
Total Unadjusted Error
LTC1099:
±1 LSB
LTC1099A:
±0.75 LSB
, LTC and LT are registered trademarks of Linear Technology Corporation.
s
Built-In Sample-and-Hold
s
No Missing Codes
s
No User Trims Required
s
All Timing Inputs Edge Sensitive for Easy Processor
Interface
s
Fast Conversion Time: 2.5
s
Latched Three-State Outputs
s
Single 5V Operation
s
No External Clock
s
Overflow Output Allows Cascading
s
TC Input Allows User Adjustable Conversion Time
s
0.3" Wide 20-Pin PDIP
High Speed 8-Bit A/D
Converter with Built-In
Sample-and-Hold
INPUT FREQUENCY (kHz)
1
SIGNAL-TO-NOISE
RATIO,
SNR
(dB)
–36
–38
–40
–42
–44
–46
–48
–50
–52
10
100
1099 G08
TA = 25°C
TC = 2.5s
Infinite Hold Time Sample-and-Hold (TACQ = 240ns)
Signal-to-Noise Ratio (SNR) vs Input Frequency
KEY SPECIFICATIO S
U
TYPICAL APPLICATION
U
17
16
15
14
5
4
3
2
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
B1
B2
B3
B4
B5
B6
B7
B8
LTC1099
1
2
3
4
5
6
7
8
REF +
REF –
V +
V –
IO
–
+
SAMPLE
HOLD
VIN
MODE
WR/RDY
RD
CS
GND
REF –
VCC
REF+
7
1
6
8
13
10
15
17
14
18
19
3
2
7
6
4
11
12
20
10k
2.5k
15V
–15V
5V
VOUT
LT1022
AM6012
1099 TA01
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