參數(shù)資料
型號: AD7622BSTZRL
廠商: Analog Devices Inc
文件頁數(shù): 23/28頁
文件大?。?/td> 0K
描述: IC ADC 16BIT DIFFERENTL 48-LQFP
標(biāo)準(zhǔn)包裝: 2,000
系列: PulSAR®
位數(shù): 16
采樣率(每秒): 2M
數(shù)據(jù)接口: 串行,并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 85mW
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-LQFP
供應(yīng)商設(shè)備封裝: 48-LQFP(7x7)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 1 個差分,雙極
配用: EVAL-AD7622CBZ-ND - BOARD EVALUATION FOR AD7622
AD7622
Rev. 0 | Page 4 of 28
Parameter
Conditions
Min
Typ
Max
Unit
REFBUFIN Output Voltage
REFBUFIN @ 25°C
1.19
V
REFBUFIN Output Resistance
6.33
EXTERNAL REFERENCE
PDREF = PDBUF = high
Voltage Range
REF
1.8
2.5
AVDD + 0.1
V
Current Drain
2 MSPS throughput
150
μA
REFERENCE BUFFER
PDREF = high, PDBUF = low
REFBUFIN Input Voltage Range
REF = 2.048 V typ
1.05
1.2
1.30
V
REFBUFIN Input Current
REFBUFIN = 1.2 V
1
nA
TEMPERATURE PIN
Voltage Output
@ 25°C
278
mV
Temperature Sensitivity
1
mV/°C
Output Resistance
4.7
DIGITAL INPUTS
Logic Levels
VIL
0.3
+0.6
V
VIH
1.7
5.25
V
IIL
1
+1
μA
IIH
1
+1
μA
DIGITAL OUTPUTS
Data Format7
Pipeline Delay8
VOL
ISINK = 500 μA
0.4
V
VOH
ISOURCE = 500 μA
OVDD 0.3
V
POWER SUPPLIES
Specified Performance
AVDD
2.37
2.5
2.63
V
DVDD
2.37
2.5
2.63
V
OVDD
2.309
3.6
V
Operating Current10
2 MSPS throughput
AVDD11
With internal reference
24
mA
AVDD
Without internal reference
23
mA
DVDD
2.5
mA
1
mA
Power Dissipation11
With Internal Reference10
2 MSPS throughput
70
85
mW
Without Internal Reference10
2 MSPS throughput
65
80
mW
In Power-Down Mode12
PD = high
2
μW
TEMPERATURE RANGE13
Specified Performance
TMIN to TMAX
40
+85
°C
1 When using an external reference. With the internal reference, the input range is 0.1 V to VREF.
3 Linearity is tested using endpoints, not best fit.
4 LSB means least significant bit. With the ±2.048 V input range, 1 LSB is 62.5 μV.
5 See Voltage Reference Input section. These specifications do not include the error contribution from the external reference.
6 All specifications in dB are referred to a full-scale input FS. Tested with an input signal at 0.5 dB below full-scale, unless otherwise specified.
7 Parallel or serial 16-bit.
8 Conversion results are available immediately after completed conversion.
10 In wideband and warp modes. Tested in parallel reading mode.
11 With internal reference, PDREF and PDBUF are low; without internal reference, PDREF and PDBUF are high.
12 With all digital inputs forced to OVDD.
13 Consult sales for extended temperature range.
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