參數(shù)資料
型號(hào): AD7321BRUZ-REEL7
廠商: Analog Devices Inc
文件頁數(shù): 3/37頁
文件大?。?/td> 0K
描述: IC ADC 12BIT+ SAR 2CHAN 14TSSOP
標(biāo)準(zhǔn)包裝: 1,000
位數(shù): 12
采樣率(每秒): 500k
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): 17mW
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: 14-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 14-TSSOP
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 2 個(gè)單端,單極;2 個(gè)單端,雙極;1 個(gè)差分,單極;1 個(gè)差分,雙極
配用: EVAL-AD7321CBZ-ND - BOARD EVALUATION FOR AD7321
AD7321
Data Sheet
Rev. B | Page 10 of 36
TYPICAL PERFORMANCE CHARACTERISTICS
0
–140
0
FREQUENCY (kHz)
S
NR
(
d
B)
–20
–40
–60
–80
–100
–120
50
100
150
200
250
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
05399-
004
Figure 4. FFT True Differential Mode
0
–140
0
FREQUENCY (kHz)
S
NR
(
d
B)
–20
–40
–60
–80
–100
–120
50
100
150
200
250
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
05399-
005
Figure 5. FFT 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
05399-
006
Figure 6. Typical DNL 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
VCC = VDRIVE = 5V
TA = 25°C
VDD, VSS = ±15V
INT/EXT 2.5V REFERENCE
±10V RANGE
+INL = +0.55LSB
–INL = –0.68LSB
05399-
007
Figure 7. Typical INL 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
±10V RANGE
+DNL = +0.79LSB
–DNL = –0.38LSB
05399-
043
Figure 8. Typical DNL 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
05399-
044
Figure 9. Typical INL Single-Ended Mode
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