SA2400ABE NXP Semiconductors, SA2400ABE Datasheet - Page 16

• Manufacturer Part Number: SA2400ABE
• Manufacturer: NXP Semiconductors

Specifications of SA2400ABE

• Operating Temperature (max): 85C
• Operating Temperature Classification: Commercial
• Package Type: LQFP
• Product Depth (mm): 7mm
• Product Length (mm): 7mm
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 3.6V
• Lead Free Status / Rohs Status: Not Compliant

Philips Semiconductors
12.3 Phase detector (see Figure 6)
The reference and main divider outputs are connected to a
phase/frequency detector that controls the charge pump. The pump
current is set by the control bit CP (Synthesizer Register C). The
2002 Nov 04
Single chip transceiver for 2.45 GHz ISM band
f
REF
I
PH
R
M
P
N
f
REF
f
RF
REF DIVIDER
DIVIDER
MAIN
Figure 6. Phase Detector Structure with Timing
1
M
1
R
D
D
CLK
CLK
16
R
R
Q
dead zone (caused by finite time taken to switch the current sources
on or off) is cancelled by forcing the pumps ON for a minimum time
( ) at every cycle (backlash time) providing improved linearity.
Q
P
N
GND
V
CC
CHARGE PUMP
CHARGE PUMP
N–TYPE
P–TYPE
I
PH
SA2400A
SR02355
Product data