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參數(shù)資料
| 型號： | AS1520-T |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | ADC |
| 英文描述： | 10-Bit, 8-Ch, 400ksps, ADC; Package Type: TSSOP-20 |
| 封裝： | TSSOP-20 |
| 文件頁數(shù)： | 1/29頁 |
| 文件大?。?/td> | 1043K |
| 代理商： | AS1520-T |
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AS1520, AS1521
10-Bit, Single-Supply, Low-Power, 400/300ksps,
8-Channel A/D Converters
1 General Description
Data Sheet
www.austriamicrosystems.com
Revision 1.00
1 - 29
The AS1520/AS1521 are low-power, 8/4-channel, 400/
300ksps, 10-bit analog-to-digital (A/D) converters specif-
ically designed to operate with single-supply devices.
Superior AC characteristics, very low power consump-
tion, and highly-reliable packaging make these ultra-
small devices perfect for battery-powered remote-sen-
sor and data-acquisition devices.
The successive-approximation register (SAR), high-
speed sampling, high-bandwidth track/hold circuitry, and
multi-mode operation combine to make these devices
highly-flexible and configurable.
Both devices require low supply current (2.8mA @
400ksps, AS1520; 2.2mA @ 300ksps, AS1521) and fea-
ture a reduced-power mode and a power-down mode to
lower power consumption at slower throughput rates.
The devices operate from a single supply (+4.5 to +5.5V,
AS1520; +2.7 to +3.6V, AS1521). Both devices contain
an internal 2.5V reference, an integrated reference
buffer, and feature support for an external reference (1V
to V
DD
).
Data accesses are made via the high-speed, 4-wire,
SPI, QSPI-, and Microwire-compatible serial interface.
The devices are available in a 20-pin TSSOP package.
Figure 1. Block Diagram and Pin Assignments
2 Key Features
!
Single-Supply Operation:
- +4.5 to +5.5V (AS1520)
- +2.7 to +3.6V (AS1521)
!
Sampling Rate:
- 400ksps (AS1520)
- 300ksps (AS1521)
!
Software-Configurable Analog Input Types:
- 8-Channel Single-Ended
- 8-Channel Pseudo Differential Referenced to COM
- 4-Channel Pseudo Differential
- 4-Channel Fully Differential
!
Software-Configurable Input Range
!
Internal +2.5V Reference
!
Low-Current Operation:
- 2.8mA @ 400ksps (AS1520)
- 2.2mA @ 300ksps (AS1521)
- 0.4mA in Reduced-Power Mode
- 0.5μA in Full Power-Down Mode
!
SPI/QSPI/Microwire/TMS320-Compatible
!
20-pin TSSOP Package
3 Applications
The devices are ideal for remote sensors, data-acquisi-
tion and data-logging devices, pen-digitizers, process
control, or any other space-limited A/D application with
low power-consumption requirements.
AS1520/
AS1521
Control
Logic
Output
Shift
Register
10-Bit
SAR
IN
OUT
REF
Analog
Input
+1.2V
REF
Input Shift
Register
Track/
Hold
17k
Ω
Av
≈
2.05
+2.50V
15
SSTRB
17
CSN
18
14
DOUT
20
V
DD1
19
V
DD2
13
GND
SCLK
16
DIN
1:8
CH0:CH7
9
COM
12
REFADJ
11
REF
10
V
DD3
AS1520/
AS1521
1
CH0
2
CH1
3
CH2
4
CH3
5
CH4
6
CH5
7
CH6
8
CH7
9
COM
10
V
DD3
20 V
DD1
19 V
DD2
18 SCLK
17 CSN
16 DIN
15 SSTRB
14 DOUT
13 GND
12 REFADJ
11 REF
相關PDF資料 |
PDF描述 |
|---|---|
| AS1521-T | 10-Bit, 8-Ch, 300ksps, ADC; Package Type: TSSOP-20 |
| AS1523-T | 10-Bit, 4-Ch, 300ksps, ADC; Package Type: TSSOP-16 |
| AS1524-BTDT | μPower 12-Bit 1-CH 150ksps TD; Package Type: TDFN(3x3)-8 |
| AS1526-BSOT | 10-bit ADC 1-CH, 73ksps intRef; Package Type: SOIC-8 |
| AS1527-BSOT | 10-bit ADC, 1-Channel, 73ksps; Package Type: SOIC-8 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AS1521 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:10-Bit, Single-Supply, Low-Power, 400/300ksps, 8-Channel A/D Converters |
| AS1521BTST | 制造商:AMS 功能描述:IC ADC 10BIT 300KSPS TSSOP-20 制造商:AMS 功能描述:IC, ADC, 10BIT, 300KSPS, TSSOP-20; Resolution (Bits):10bit; Sampling Rate:300kSPS; Supply Voltage Type:Single; Supply Voltage Min:4.5V; Supply Voltage Max:5.5V; Supply Current:2.7mA; Digital IC Case Style:TSSOP; No. of Pins:20 ;RoHS Compliant: Yes |
| AS1521-BTST | 功能描述:IC ADC 10BIT 8CH 300K 20-TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉換器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:250 系列:- 位數(shù):12 采樣率（每秒）:1.8M 數(shù)據(jù)接口:并聯(lián) 轉換器數(shù)目:1 功率耗散（最大）:1.82W 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-LQFP 供應商設備封裝:48-LQFP（7x7） 包裝:管件 輸入數(shù)目和類型:2 個單端，單極 |
| AS1521-BTSU | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:10-Bit, Single-Supply, Low-Power, 400/300ksps, 8-Channel A/D Converters |
| AS1521-T | 制造商:ams 功能描述:IC ADC 10BIT 8CH 300K 20-TSSOP 制造商:ams 功能描述:T&R / TSSOP 16 |
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