Rainbow Electronics 71M6542G - Manual (Page 144)

144 © 2008–2011 Teridian Semiconductor Corporation v1.1
6.4.9 2.5 V Voltage Regulator – Battery Power
Unless otherwise specified, V3P3SYS = V3P3A = 0, PB=GND (BRN).
Table 104: Low-Power Voltage Regulator Performance Specifications
Parameter Condition Min Typ Max Unit
V2P5
VBAT = 3.0 V - 3.8 V,
V3P3 = 0 V, I
LOAD = 0 mA
2.55 2.65 2.75 V
V2P5 load regulation
VBAT = 3.3 V, V3P3 = 0 V,
I
LOAD = 0 mA to 1 mA
40 mV
Voltage Overhead 2V
− VBAT-VDD
I LOAD = 0ma, VBAT = 2.0 V,
V3P3 = 0 V.
200 mV
6.4.10 Crystal Oscillator
Measurement conditions: Crystal disconnected, test load of 200 pF/100 k
Ω between XOUT and GNDD.
Table 105: Crystal Oscillator Performance Specifications
Parameter Condition Min Typ Max Unit
Maximum Output Power to Crystal Crystal connected, see note 1 1
μW
XIN to XOUT Capacitance
(see note 1)
3 pF
Capacitance change on XOUT
RTC_ADJ = 7F to 0,
Bias voltage = unbiased
Vpp = 0.1 V
15 pF
Note:
1. Guaranteed by design; not production tested.
6.4.11 Phase-Locked Loop (PLL)
Table 106: PLL Performance Specifications
Parameter Condition Min Typ Max Unit
PLL Power up Settling Time
(see note 1)
PLL_FAST = 0, V3P3 = 0 V to 3.3 V
step, measured from first edge of
MCK
5 ms
PLL_FAST settling time
PLL_FAST rise (see note 1)
PLL_FAST fall (see note 1)
V3P3 = 0 V, VBAT = 3.8 V to 2.0 V
5
5 ms
ms
PLL SLP to MSN Settling Time
(see note 1)
PLL_FAST = 0 5 ms
PLL power up overshoot
(see note 1)
PLL_FAST = 0 2.5 MHz
Note:
1. Guaranteed by design; not production tested.