AVDD = 3 V, DRVDD = 2.5 V, maximum sample rate, 2 V p-p dif" />
參數(shù)資料
型號： AD9237BCPZRL7-65
廠商： Analog Devices Inc
文件頁數(shù)： 18/24頁
文件大?。?/td> 0K
描述： IC ADC 12BIT SGL 65MSPS 32LFCSP
產(chǎn)品變化通告： Product Discontinuance 27/Oct/2011
標準包裝： 1,500
位數(shù)： 12
采樣率（每秒）： 65M
數(shù)據(jù)接口： 并聯(lián)
轉(zhuǎn)換器數(shù)目： 3
功率耗散（最大）： 190mW
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： 32-VFQFN 裸露焊盤，CSP
供應(yīng)商設(shè)備封裝： 32-LFCSP-VQ（5x5）
包裝： 帶卷 (TR)
輸入數(shù)目和類型： 2 個單端，單極；1 個差分，單極
Data Sheet
AD9237
Rev. B | Page 3 of 24
SPECIFICATIONS
DC SPECIFICATIONS
AVDD = 3 V, DRVDD = 2.5 V, maximum sample rate, 2 V p-p differential input, 0.5 dBFS input, 1.0 V internal reference, TMIN to TMAX,
unless otherwise noted.
Table 1.
AD9237BCP-20
AD9237BCP-40
AD9237BCP-65
Parameter
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Unit
RESOLUTION
12
Bits
ACCURACY
No Missing Codes Guaranteed
12
Bits
Offset Error
±1.30
±1.95
±1.30
±1.95
±1.30
±1.95
% FSR
Gain Error1
±0.70
±2.10
±0.75
±2.10
±1.05
±2.25
% FSR
Differential Nonlinearity (DNL)2
±0.70
±0.95
±0.70
±0.95
1.00
±0.70
+1.25
LSB
Integral Nonlinearity (INL)2
±0.90
±1.35
±0.90
±1.35
±0.90
±2.00
LSB
TEMPERATURE DRIFT
Offset Error
±2
ppm/°C
Gain Error1
±12
ppm/°C
INTERNAL VOLTAGE REFERENCE
Output Voltage Error (1 V Mode)
±5
±25
±5
±25
±5
±25
mV
Load Regulation @ 1.0 mA
0.8
mV
Output Voltage Error (0.5 V Mode)
±2.5
mV
Load Regulation @ 0.5 mA
0.1
mV
Reference Input Resistance
7
k
INPUT REFERRED NOISE
VREF = 0.5 V
1.35
LSB rms
VREF = 1.0 V
0.70
LSB rms
ANALOG INPUT
Input Span
VREF = 0.5 V; MODE2 = 0 V
1
V p-p
VREF = 1.0 V; MODE2 = 0 V
2
V p-p
VREF = 0.5 V; MODE2 = AVDD
2
V p-p
VREF = 1.0 V; MODE2 = AVDD
4
V p-p
Input Capacitance3
7
pF
POWER SUPPLIES
Supply Voltages
AVDD
2.7
3.0
3.6
2.7
3.0
3.6
2.7
3.0
3.6
V
DRVDD
2.25
2.5
3.6
2.25
2.5
3.6
2.25
2.5
3.6
V
Supply Current
IAVDD2
30.5
45.5
64.5
mA
IDRVDD2
3.0
4.5
5.5
mA
PSRR
±0.01
% FSR
POWER CONSUMPTION
DC Input4
85
135
190
mW
Sine Wave Input2
100
120
150
180
210
270
mW
Power-Down Mode
1
mW
Standby Power
20
mW
1 Gain error and gain temperature coefficient are based on the ADC only (with a fixed 1.0 V external reference).
2 Measured at maximum clock rate, f
IN = 2.4 MHz, full-scale sine wave, with approximately 5 pF loading on each output bit.
3 Input capacitance refers to the effective capacitance between one differential input pin and AGND. Refer to Figure 4 for the equivalent analog input structure.
4 Measured with dc input at maximum clock rate.
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