參數(shù)資料
型號(hào)： AS1528-BTDT
廠商： AUSTRIAMICROSYSTEMS AG
元件分類(lèi)： ADC
英文描述： μPower 10-Bit 1-CH 150ksps TD; Package Type: TDFN(3x3)-8
中文描述： 微功率，10位，150ksps器，ADC，單端或差分
封裝： TDFN(3x3)-8
文件頁(yè)數(shù)： 11/21頁(yè)
文件大小： 619K
代理商： AS1528-BTDT
www.austriamicrosystems.com
Revision 1.02
11 - 21
AS1528/AS1529
Datasheet - Detailed Description
Figure 18. Single Conversion – AIN1 vs. GND (AS1529), Unipolar Mode AIN+ vs. AIN- (AS1528)
If AIN2 is selected
(see Figure 19)
, drive CNVST high for at least 30ns. Next, drive CNVST low for at least 30ns, and
then high again. This powers up the AS1529 and places the track/hold circuitry in track mode with AIN2 connected to
the positive input capacitor. Next hold CNVST high for
tACQ
to fully acquire the signal. Drive CNVST low to place the
track/hold circuitry in hold mode. The AS1529 then performs a conversion and shuts down automatically. The MSB is
available at DOUT after 3.7μs. Data can then be clocked out using SCLK.
Note:
If all 12 bits of data are not clocked out before CNVST is driven high, AIN2 is selected for the next conversion.
Selecting Unipolar or Bipolar Conversions (AS1528)
True-differential conversion (with the AS1528 unipolar and bipolar modes) is selected using pin CNVST
(see page 3)
.
AIN+ and AIN- are sampled at the falling edge of CNVST. In unipolar mode, AIN+ can exceed AIN- by up to VREF. The
output format is straight binary. In bipolar mode, either input can exceed the other by up to V
REF/2
. The output format is
two’s complement. In both modes, the input common mode range can go from GND to V
DD
.
Figure 19. Single Conversion – AIN2 vs. GND (AS1529), Bipolar Mode AIN+ vs. AIN- (AS1528)
Note:
In unipolar and bipolar modes, AIN+ and AIN- must not exceed V
DD
by more than 50mV or be lower than GND
by more than 50mV.
If unipolar mode is selected
(see Figure 18)
, drive CNVST high to power up the AS1528 and place the track/hold cir-
cuitry in track mode with AIN+ and AIN- connected to the input capacitors. Hold CNVST high for
tACQ
to fully acquire
the signal. Drive CNVST low to place the track/hold circuitry in hold mode. The AS1528 then performs a conversion
and shutdown automatically. The MSB is available at DOUT after 3.7μs. Data can then be clocked out using SCLK.
Clock out all 12 bits of data before driving CNVST high for the next conversion. If all 12 bits of data are not clocked out
before CNVST is driven high, bipolar mode is selected for the next conversion.
If bipolar mode is selected
(see Figure 19)
, drive CNVST high for at least 30ns. Next, drive CNVST low for at least
30ns and then high again. This places the track/hold circuitry in track mode with AIN+ and AIN- connected to the input
capacitors.
Next hold CNVST high for
tACQ
to fully acquire the signal. Drive CNVST low to place the track/hold circuitry in hold
mode. The AS1528 then performs a conversion and shuts down automatically. The MSB is available at DOUT after
3.7μs. Data can then be clocked out using SCLK.
Note:
If all 12 bits of data are not clocked out before CNVST is driven high, bipolar mode is selected for the next con-
version.
SCLK
CNVST
Sampling Instant
t
CONV
t
ACQ
1
4
8
12
DOUT
High Z
High Z
B8
B7
B6
B5
B4
B3
B2
B1
B9
MSB
B0
LSB
ZERO ZERO
DOUT
SCLK
CNVST
B8
B7
B6
B5
B4
B3
B2
B1
B9
MSB
B0
LSB
Sampling Instant
t
CONV
t
ACQ
1
4
8
12
High Z
High Z
ZERO ZERO
相關(guān)PDF資料
PDF描述
AS1529-BTDT μPower 10-Bit 2-CH 150ksps SE; Package Type: TDFN(3x3)-8
AS1531-T 12-Bit, 8-Channels ADC 300ksps; Package Type: TSSOP-20
AS1530-T 12-Bit, 8-Channels ADC 400ksps; Package Type: TSSOP-20
AS1532-T 12-Bit, 4-CH, ADC 400ksps; Package Type: TSSOP-16
AS1533-T 12-Bit, 4-CH, ADC, 300ksps; Package Type: TSSOP-16
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AS1529 制造商:AMSCO 制造商全稱(chēng):austriamicrosystems AG 功能描述:Micro-Power, 10-Bit, 150ksps, ADC, Single Ended or Differential
AS1529-BTDR 功能描述:IC A/D 10-BIT 2-CH 150K 8-TDFN RoHS:是 類(lèi)別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類(lèi)型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤(pán)（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類(lèi)型:8 個(gè)單端，單極 產(chǎn)品目錄頁(yè)面:892 (CN2011-ZH PDF) 其它名稱(chēng):296-25851-6
AS1529BTDT 制造商:AMS 功能描述:IC ADC 10BIT 150KSPS TDFN-8 制造商:AMS 功能描述:IC, ADC, 10BIT, 150KSPS, TDFN-8; Resolution (Bits):10bit; Sampling Rate:150kSPS; Supply Voltage Type:Single; Supply Voltage Min:2.7V; Supply Voltage Max:5.25V; Supply Current:485A; Digital IC Case Style:DFN; No. of Pins:8 ;RoHS Compliant: Yes
AS1529-BTDT 功能描述:IC ADC 10BIT 2CH 150K 8-TDFN RoHS:是 類(lèi)別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)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(zhuǎn)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(lèi)型:表面貼裝 封裝/外殼:48-LQFP 供應(yīng)商設(shè)備封裝:48-LQFP（7x7） 包裝:管件 輸入數(shù)目和類(lèi)型:2 個(gè)單端，單極
AS152R3FLF 制造商:TT Electronics / IRC 功能描述:AS152R3FLF
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