AD9237BCPZ-20 Analog Devices Inc, AD9237BCPZ-20 Datasheet - Page 3

• Manufacturer Part Number: AD9237BCPZ-20
• Description: IC ADC 12BIT SGL 20MSPS 32LFCSP
• Manufacturer: Analog Devices Inc

Specifications of AD9237BCPZ-20

• Data Interface: Parallel
• Number Of Bits: 12
• Sampling Rate (per Second): 20M
• Number Of Converters: 3
• Power Dissipation (max): 85mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-VFQFN, CSP Exposed Pad
• Resolution (bits): 12bit
• Input Channel Type: Differential
• Supply Voltage Range - Analogue: 2.7V To 3.6V
• Supply Voltage Range - Digital: 2.25V To 3.6V
• Supply Current: 30.5mA
• Sampling Rate: 20MSPS
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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, T
unless otherwise noted.
Table 1.
Parameter
RESOLUTION
ACCURACY
TEMPERATURE DRIFT
INTERNAL VOLTAGE REFERENCE
INPUT REFERRED NOISE
ANALOG INPUT
POWER SUPPLIES
POWER CONSUMPTION
1
2
3
4
Gain error and gain temperature coefficient are based on the ADC only (with a fixed 1.0 V external reference).
Measured at maximum clock rate, f
Input capacitance refers to the effective capacitance between one differential input pin and AGND. Refer to
Measured with dc input at maximum clock rate.
No Missing Codes Guaranteed
Offset Error
Gain Error
Differential Nonlinearity (DNL)
Integral Nonlinearity (INL)
Offset Error
Gain Error
Output Voltage Error (1 V Mode)
Load Regulation @ 1.0 mA
Output Voltage Error (0.5 V Mode)
Load Regulation @ 0.5 mA
Reference Input Resistance
VREF = 0.5 V
VREF = 1.0 V
Input Span
Input Capacitance
Supply Voltages
Supply Current
PSRR
DC Input
Sine Wave Input
Power-Down Mode
Standby Power
VREF = 0.5 V; MODE2 = 0 V
VREF = 1.0 V; MODE2 = 0 V
VREF = 0.5 V; MODE2 = AVDD
VREF = 1.0 V; MODE2 = AVDD
AVDD
DRVDD
IAVDD
IDRVDD
2
4
1
1
2
2
3
2
IN
= 2.4 MHz, full-scale sine wave, with approximately 5 pF loading on each output bit.
2
Min
12
12
2.7
2.25
AD9237BCP-20
Typ
±1.30
±0.70
±0.70
±0.90
±2
±12
±5
0.8
±2.5
0.1
7
1.35
0.70
7
3.0
2.5
30.5
3.0
±0.01
85
100
1
20
Rev. A | Page 3 of 24
Max
±1.95
±2.10
±0.95
±1.35
±25
1
2
2
4
3.6
3.6
120
Min
12
12
2.7
2.25
AD9237BCP-40
Typ
±1.30
±0.75
±0.70
±0.90
±2
±12
±5
0.8
±2.5
0.1
7
1.35
0.70
7
3.0
2.5
45.5
4.5
±0.01
135
150
1
20
Max
±1.95
±2.10
±0.95
±1.35
±25
1
2
2
4
3.6
3.6
180
Figure 4
for the equivalent analog input structure.
Min
12
12
−1.00
2.7
2.25
AD9237BCP-65
1.35
0.70
Typ
±1.30
±1.05
±0.70
±0.90
±2
±12
±5
0.8
±2.5
0.1
7
7
3.0
2.5
64.5
5.5
±0.01
190
210
1
20
Max
±1.95
±2.25
+1.25
±2.00
±25
1
2
2
4
3.6
3.6
270
MIN
AD9237
to T
LSB rms
LSB rms
Unit
Bits
Bits
% FSR
% FSR
LSB
LSB
ppm/°C
ppm/°C
mV
mV
mV
mV
kΩ
V p-p
V p-p
V p-p
V p-p
pF
V
V
mA
mA
% FSR
mW
mW
mW
mW
MAX
,