AD9237BCPZ-40 Analog Devices Inc, AD9237BCPZ-40 Datasheet - Page 7

• Manufacturer Part Number: AD9237BCPZ-40
• Description: IC ADC 12BIT SGL 40MSPS 32LFCSP
• Manufacturer: Analog Devices Inc

Specifications of AD9237BCPZ-40

• Data Interface: Parallel
• Number Of Bits: 12
• Sampling Rate (per Second): 40M
• Number Of Converters: 3
• Power Dissipation (max): 135mW
• 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: 45.5mA
• Sampling Rate: 40MSPS
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Preliminary Technical Data
Pin No.
1
2
3
4
5,6
7-14, 17-20
15
16
21
22
23
24
25
26
27,32
28,31
29
30
AD9237 Preliminary Technical Information – 5/18/2005
Name
MODE 2
CLK
OE
PDWN
DNC
D0 (LSB) – D11 (MSB)
DGND
DRVDD
OTR
MODE
SENSE
VREF
REFB
REFT
AVDD
AGND
VIN+
VIN-
PIN FUNCTION DESCRIPTIONS (32 Pin LFCSP Package)
(LSB) D0
MODE 2
Preliminary LFCSP Pin Configuration
PDW N
CLK
O E
NC
NC
D1
1
2
3
4
5
6
7
8
Function
SHA Gain Select and Power Control (see Figure 2)
Clock Input Pin
Output Enable Pin (active low)
Power-Down function selection.
Do Not Connect
Data Output Pins
Digital ground.
Digital Output Driver Supply.
Out of Range Flag
Output Data Format Select and Duty Cycle Stabilizer Control
Reference mode/Input Full Scale Select
Voltage Reference Input/Output.
Differential Reference (-).
Differential Reference (+).
Analog Power Supply.
Analog ground.
Analog Input Pin (+).
Analog Input Pin (-).
MODE2 Connection
AVDD
2/3 AVDD
1/3 AVDD
AGND
PWDN
AVDD
1/3 AVDD
AGND
MODE Connection
AVDD
2/3 AVDD
1/3 AVDD
AGND
Chip Scale Package
(Not to Scale)
AD9237BCP
–7–
Lead Fram e
Top View
Function
Power Down Mode: All circuits powered down, no clock
Standby Mode: Only current & voltage references powered up
Power Up
Output Data Format
Twos Complement
Twos Complement
Offset Binary
Offset Binary
SHA Gain
24
23
22
21
20
19
18
17
1
1
2
2
VREF
SENSE
MODE
OTR
D11 (MSB)
D10
D9
D8
Duty Cycle Stabilizer
Auto Power Control
AD9237
Disabled
Disabled
Disabled
Disabled
Enabled
Enabled
Enabled
Enabled
REV
PrF