U2893B Datasheet, PDF (2/14 Pages) TEMIC Semiconductors – Modulation PLL for GSM, DCS and PCS Systems

U2893B
Pin Description
I1
28 Q
NI 2
27 ^NQ
MDLO 3
26 _VS3
GND 4
25 MIXO
MDO ⁵
NMDO ₆
24 _GND
23 NRF
VS1 ⁷
22 _RF
VSP 8
21 VS2
CPO 9
GNDP 10
20 _MIXLO
19 _PU
CPC 11
18 _GND
PUMIX 12
17 _NND
RD ¹³
16 _ND
NRD ¹⁴
15 _MC
12495
Figure 2. Pinning
Pin Symbol
Function
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ₁
I
In-phase baseband input
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ₂
NI
Complementary to I
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ₃
MDLO I/Q-modulator LO input
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 4
GND ¹⁾ Negative supply
5
MDO I/Q-modulator output
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ₆
NMDO Complementary to MDO
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ₇
VS1 ³⁾ Positive supply (I/Q MOD)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ₈
VSP Pos. supply charge-pump
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ₉
CPO Charge-pump output
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{10 GNDP} 2) _{Neg. supply charge pump}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 11
CPC Charge-pump current control
(input)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{12 PUMIX Power-up, mixer only}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ₁₃
RD R-divider input
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ₁₄
NRD Complementary to RD
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ₁₅
MC Mode control
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ₁₆
ND N-divider input
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 17
NND Complementary to ND
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ^{18 GND 1) Negative supply}
19
PU Power-up, whole chip except
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _mixer
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{20 MIXLO Mixer LO input}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ₂₁
VS2 ³⁾ Positive supply (MISC.)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ₂₂
RF Mixer RF-input
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 23
NRF Complementary to RF
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ^{24 GND 1) Negative supply}
25 MIXO Mixer output
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ₂₆
VS3 ³⁾ Positive supply (mixer)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ₂₇
NQ Complementary to Q
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ₂₈
Q
Quad.-phase baseband input
1)
All GND pins must be connected to GND
potential. No DC voltage between GND pins!
2)
vMax. voltage between GNDP and GND pins
200 mV
3)
The maximum permissible voltage difference
between pins VS1, VS2 and VS3 is 200 mV.
2 (14)
TELEFUNKEN Semiconductors
Preliminary Information
Rev. A1, 29-Jan-76