參數(shù)資料
型號(hào): AD7328BRUZ
廠商: Analog Devices Inc
文件頁數(shù): 2/37頁
文件大?。?/td> 0K
描述: IC ADC 12BIT+ SAR 8CHAN 20TSSOP
設(shè)計(jì)資源: Using AD7328 in Appls with Single-Ended Industrial-Level Signals (CN0047)
標(biāo)準(zhǔn)包裝: 75
系列: iCMOS®
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): 30mW
電壓電源: 雙 ±
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 20-TSSOP
包裝: 管件
輸入數(shù)目和類型: 8 個(gè)單端,單極;8 個(gè)單端,雙極;4 個(gè)差分,單極;4 個(gè)差分,雙極
產(chǎn)品目錄頁面: 777 (CN2011-ZH PDF)
Data Sheet
AD7328
Rev. C | Page 9 of 36
TYPICAL PERFORMANCE CHARACTERISTICS
0
–140
0
500
FREQUENCY (kHz)
S
NR
(
d
B)
–20
–40
–60
–80
–100
–120
50
100
150
200
250
300
350
400
450
4096 POINT FFT
VCC = VDRIVE = 5V
VDD, VSS = ±15V
TA = 25°C
INT/EXT 2.5V REFERENCE
±10V RANGE
FIN = 50kHz
SNR = 77.30dB
SINAD = 76.85dB
THD = –86.96dB
SFDR = –88.22dB
04852-
004
Figure 4. FFT for True Differential Mode
0
–140
0
500
FREQUENCY (kHz)
S
NR
(
d
B)
–20
–40
–60
–80
–100
–120
50
100
150
200
250
300
350
400
450
4096 POINT FFT
VCC = VDRIVE = 5V
VDD, VSS = ±15V
TA = 25°C
INT/EXT 2.5V REFERENCE
±10V RANGE
FIN = 50kHz
SNR = 74.67dB
SINAD = 74.03dB
THD = –82.68dB
SFDR = –85.40dB
04852-
005
Figure 5. FFT for Single-Ended Mode
1.0
–1.0
0
8192
CODE
DN
L
E
RRO
R
(
L
S
B)
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
1024
2048
3072
4096
5120
6144
7168
512
1536
2560
3584
4608
5632
6656
7680
VCC = VDRIVE = 5V
TA = 25°C
VDD, VSS = ±15V
INT/EXT 2.5V REFERENCE
±10V RANGE
+DNL = +0.72LSB
–DNL = –0.22LSB
04852-
006
Figure 6. Typical DNL for True Differential Mode
1.0
–1.0
0
8192
CODE
IN
L
E
RRO
R
(
L
S
B)
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
1024
2048
3072
4096
5120
6144
7168
512
1536
2560
3584
4608
5632
6656
7680
04852-
007
VCC = VDRIVE = 5V
TA = 25°C
VDD, VSS = ±15V
INT/EXT 2.5V REFERENCE
±10V RANGE
+INL = +0.55LSB
–INL = –0.68LSB
Figure 7. Typical INL for True Differential Mode
1.0
–1.0
0
8192
CODE
DN
L
E
RRO
R
(
L
S
B)
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
1024
2048
3072
4096
5120
6144
7168
512
1536
2560
3584
4608
5632
6656
7680
VCC = VDRIVE = 5V
TA = 25°C
VDD, VSS = ±15V
INT/EXT 2.5V REFERENCE
04852-
043
±10V RANGE
+DNL = +0.79LSB
–DNL = –0.38LSB
Figure 8. Typical DNL for Single-Ended Mode
1.0
–1.0
0
8192
CODE
IN
L
E
RRO
R
(
L
S
B)
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
1024
2048
3072
4096
5120
6144
7168
512
1536
2560
3584
4608
5632
6656
7680
VCC = VDRIVE = 5V
TA = 25°C
VDD, VSS = ±15V
INT/EXT 2.5V REFERENCE
±10V RANGE
+INL = +0.87LSB
–INL = –0.49LSB
04852-
044
Figure 9. Typical INL for Single-Ended Mode
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