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參數(shù)資料
型號(hào)： AD7924
廠(chǎng)商： Analog Devices, Inc.
元件分類(lèi)： ADC
英文描述： 4-Channel, 1 MSPS, 8-/10-/12-Bit ADCs with Sequencer in 16-Lead TSSOP
中文描述： 4通道，1 MSPS的，8-/10-/12-Bit ADC的16與序列鉛TSSOP封裝
文件頁(yè)數(shù)： 12/24頁(yè)
文件大小： 411K
代理商： AD7924
–12–
AD7904/AD7914/AD7924
–
Typical Performance Characteristics
REV. 0
PERFORMANCE CURVES
TPC 1 shows a typical FFT plot for the AD7924 at 1MSPS
sample rate and 50 kHz input frequency. TPC 2 shows the
signal-to-(noise + distortion) ratio performance versus input
frequency for various supply voltages while sampling at 1 MSPS
with an SCLK of 20 MHz.
TPC 3 shows the power supply rejection ratio versus supply
ripple frequency for the AD7924 when no decoupling is used.
The power supply rejection ratio is defined as the ratio of the
power in the ADC output at full-scale frequency f, to the power
of a 200 mV p-p sine wave applied to the ADC AV
DD
supply of
frequency f
S
:
PSRR dB
(
)
Pf
is equal to the power at frequency f in ADC output;
Pf
S
is
equal to the power at frequency f
S
coupled onto the ADC
AV
DD
supply. Here a 200 mV p-p sine wave is coupled onto
the AV
DD
supply.
Pf
Pfs
log(
/
)
=
10
TPC 4 shows a graph of total harmonic distortion versus analog
input frequency for various supply voltages, while TPC 5 shows
a graph of total harmonic distortion versus analog input frequency
for various source impedances. See the Analog Input section.
TPC 6 and TPC 7 show typical INL and DNL plots for the
AD7924.
FREQUENCY – kHz
–10
0
100
200
300
400
500
S
–30
–50
–70
–90
–110
50
150
250
350
450
4096 POINT FFT
V
DD
= 5V
f
SAMPLE
= 1MSPS
f
IN
SINAD = 71.147
THD = –87.229
SFDR = –90.744
TPC 1. AD7924 Dynamic Performance at 1 MSPS
INPUT FREQUENCY – kHz
75
10
1000
S
70
65
60
55
100
f
SAMPLE
= 1MSPS
T
RANGE = 0 TO REF
IN
V
DD
= V
DRIVE
= 2.7V
V
DD
= V
DRIVE
= 3.6V
V
DD
= V
DRIVE
= 4.75V
V
DD
= V
DRIVE
= 5.25V
TPC 2. AD7924 SINAD vs. Analog Input Frequency for
Various Supply Voltages at 1 MSPS
SUPPLY RIPPLE FREQUENCY – kHz
0
0
1000
P
–40
–60
–80
–90
500
–20
–50
–70
900
800
700
600
400
300
200
100
V
= 5V,
200mV p-p SINE WAVE ON V
DD
REF
= 2.5V, 1 F CAPACITOR
T
A
= 25 C
–10
–30
TPC 3. AD7924 PSRR vs. Supply Ripple Frequency
INPUT FREQUENCY – kHz
–50
10
1000
T
–65
–75
–85
–90
–60
–70
–80
100
–55
V
DD
= V
DRIVE
= 5.25V
V
DD
= V
DRIVE
= 4.75V
V
DD
= V
DRIVE
= 3.6V
V
DD
= V
DRIVE
= 2.7V
f
SAMPLE
= 1MSPS
T
RANGE = 0 TO REF
IN
TPC 4. AD7924 THD vs. Analog Input Frequency for
Various Supply Voltages at 1 MSPS
INPUT FREQUENCY – kHz
–50
10
1000
T
–65
–75
–85
–90
–60
–70
–80
100
–55
f
SAMPLE
= 1MSPS
T
RANGE = 0 TO REF
IN
V
DD
= 5.25V
R
IN
= 10
R
IN
= 50
R
IN
= 100
R
IN
= 1000
TPC 5. AD7924 THD vs. Analog Input Frequency for
Various Source Impedances
相關(guān)PDF資料
PDF描述
AD7924BRU 4-Channel, 1 MSPS, 8-/10-/12-Bit ADCs with Sequencer in 16-Lead TSSOP
AD7908 8-Channel, 1 MSPS, 8-/10-/12-Bit ADCs with Sequencer in 20-Lead TSSOP
AD7908BRU 8-Channel, 1 MSPS, 8-/10-/12-Bit ADCs with Sequencer in 20-Lead TSSOP
AD7908BRU-REEL 8-Channel, 1 MSPS, 8-/10-/12-Bit ADCs with Sequencer in 20-Lead TSSOP
AD7908BRU-REEL7 8-Channel, 1 MSPS, 8-/10-/12-Bit ADCs with Sequencer in 20-Lead TSSOP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD7924BRU 功能描述:IC ADC 12BIT 4CH 1MSPS 16-TSSOP RoHS:否 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:1,000 系列:- 位數(shù):12 采樣率（每秒）:300k 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:75mW 電壓電源:單電源 工作溫度:0°C ~ 70°C 安裝類(lèi)型:表面貼裝 封裝/外殼:24-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數(shù)目和類(lèi)型:1 個(gè)單端，單極；1 個(gè)單端，雙極
AD7924BRU-REEL 制造商:Analog Devices 功能描述:ADC Single SAR 1Msps 12-bit Serial 16-Pin TSSOP T/R 制造商:Analog Devices 功能描述:ADC SGL SAR 1MSPS 12-BIT SERL 16TSSOP - Tape and Reel
AD7924BRU-REEL7 制造商:Analog Devices 功能描述:ADC Single SAR 1Msps 12-bit Serial 16-Pin TSSOP T/R
AD7924BRUZ 功能描述:IC ADC 12BIT 4CH W/SEQ 16TSSOP 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
AD7924BRUZ-REEL 功能描述:IC ADC 12BIT 4CH W/SEQ 16TSSOP 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:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類(lèi)型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類(lèi)型:2 個(gè)單端，單極
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