參數(shù)資料
型號(hào)： AD7450BRMZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 21/22頁(yè)
文件大?。?/td> 0K
描述： IC ADC 12BIT DIFF IN 1MSPS 8MSOP
標(biāo)準(zhǔn)包裝： 50
位數(shù)： 12
采樣率（每秒）： 1M
數(shù)據(jù)接口： DSP，MICROWIRE?，QSPI?，串行，SPI?
轉(zhuǎn)換器數(shù)目： 1
功率耗散（最大）： 9.25mW
電壓電源： 單電源
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 8-TSSOP，8-MSOP（0.118"，3.00mm 寬）
供應(yīng)商設(shè)備封裝： 8-MSOP
包裝： 管件
輸入數(shù)目和類型： 1 個(gè)差分，單極
配用： EVAL-AD7450CBZ-ND - BOARD EVALUATION FOR AD7450
–8–
AD7450–Typical Performance Characteristics
FREQUENCY – kHz
SNR
–
dBs
0
–60
–120
050
500
100 150 200 250 300 350 400 450
–20
–40
–80
–100
8192 POINT FFT
f
SAMPLE = 1MSPS
f
IN = 300kHz
SINAD = 71.7dB
THD = –82.8dB
PK NOISE = –85.3dB
TPC 1. Dynamic Performance at
1 MSPS with VDD = 5 V
CODE
DNL
ERR
OR
–
LSB
1.0
0.4
–0.2
0.8
0.6
0.2
0
–0.4
–0.6
–0.8
–1.0
0
1024
2048
3072
4096
TPC 4. Typical Differential
Nonlinearity (DNL) VDD = 5 V
CODE
INL
ERR
OR
–
LSB
1.0
0.4
–0.2
0.8
0.6
0.2
0
–0.4
–0.6
–0.8
–1.0
0
1024
2048
3072
4096
TPC 7. Typical Integral
Nonlinearity (INL) VDD = 3 V
FREQUENCY – kHz
SNR
–
dBs
0
–60
–120
050
100
150
200
250
300
350
–20
–40
–80
–100
8192 POINT FFT
f
SAMPLE = 833kSPS
f
IN = 300kHz
SINAD = 70.2dB
THD = –82dB
PK NOISE = –87.1dB
TPC 2. Dynamic Performance at
833 kSPS with VDD = 3 V
CODE
DNL
ERR
OR
–
LSB
1.0
0.4
–0.2
0.8
0.6
0.2
0
–0.4
–0.6
–0.8
–1.0
0
1024
2048
3072
4096
TPC 5. Typical Differential
Nonlinearity (DNL) VDD = 3 V
1.0
0.5
0
–0.5
–1.0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
C
HANGE
IN
DNL-LSB
VREF
POSITIVE DNL
NEGATIVE DNL
TPC 8. Change in DNL vs. Reference
Voltage VDD = 5 V
INPUT FREQUENCY – kHz
SINAD
–
dB
–63
–75
–69
–65
–67
–71
–73
10
100
1000
VDD = 4.75V
VDD = 2.7V
VDD = 3.3V
VDD = 5.25V
TPC 3. SINAD vs. Analog Frequency
for Various Supply Voltages
CODE
INL
ERR
OR
–
LSB
1.0
0.4
–0.2
0.8
0.6
0.2
0
–0.4
–0.6
–0.8
–1.0
0
1024
2048
3072
4096
TPC 6. Typical Integral
Nonlinearity (INL) VDD = 5 V
VREF
1.0
0.5
–1.0
0
–0.5
1.5
CHANGE
IN
DNL-LSB
0
0.6
1.2
1.8
2.4
POSITIVE DNL
NEGATIVE DNL
TPC 9. Change in DNL vs. Reference
Voltage VDD = 3.3 V*
(Default Conditions: TA = 25 C)
Rev. A
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AD7450BRZ 功能描述:IC ADC 12BIT DIFF IN 1MSPS 8SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 其它有關(guān)文件:TSA1204 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:- 位數(shù):12 采樣率（每秒）:20M 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:155mW 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-TQFP 供應(yīng)商設(shè)備封裝:48-TQFP（7x7） 包裝:Digi-Reel® 輸入數(shù)目和類型:4 個(gè)單端，單極；2 個(gè)差分，單極 產(chǎn)品目錄頁(yè)面:1156 (CN2011-ZH PDF) 其它名稱:497-5435-6
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